Birds & Beers March 2016

Mar12

The March Birds & Beers event will be held next Friday, March 18, from 6 to 9 pm. We will meet at the usual location, the Royal Canadian Legion at 9202 Horton Road SW. Everyone is welcome to come out for food, drinks, and discussions about anything relating to birds and birding.

This month, Melanie Senerviratne will speak about the upcoming Calgary May Species Count. If this is something you want to take part in, come out and sign up to count birds on May 28-29!

Calgary Birds & Beers Chapter on Facebook.

Ring-billed Gull

The Gulls are back. Come and discuss other Spring arrivals at Birds & Beers. Photo by George Best.

Spring Birding Course 2016

Mar5

The Friends of Fish Creek Provincial Park Society is now taking registrations for its popular Spring Birding Course. This 12-week course starts March 28 and runs until the end of June. You can choose to go out one or two days per week. Field trips, which take place in a variety of parks throughout the city, last 2.5 to 3 hours.

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By the time the Spring course starts, Mountain Bluebirds will be passing through Calgary on migration. Photo by Dan Arndt.

Once again there is a very nominal $5 fee for youth 16 or younger accompanied by a registered adult. This is a great opportunity for parents to take their kids birding and learn about nature in our city!

For more information and to register, go to this page.

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Great Horned Owls are already nesting in Calgary. Join the FFCPP Spring course to see the owlets hatch and fledge. Photo by Dan Arndt.

Back to Bebo for a Beautiful Bird

Mar2

Posted by Dan Arndt

Our second visit to Bebo Grove this winter was in search of a well-documented Varied Thrush that had been seen there for a few weeks, and thankfully it decided to stay in almost the exact same spot for our Sunday morning outing. We also got some of the regular boreal birds that we’ve come to expect at Bebo Grove, and while the morning was fairly quiet in terms of numbers of individual birds, we did have some nice close encounters that highlighted the morning overall.

Bebo Grove – February 21, 2016

While the highlight of the morning was the Varied Thrush, a bird we found early on and spent a good amount of time with, I’m going to save those images for the very end, since there are a few of them in different poses, and really it’s always good practice to save the best for last!

Our morning was, as I mentioned in the intro, quiet overall in terms of bird sightings, but there wasn’t a moment while travelling through the trees that we didn’t have at least forty or fifty Pine Siskins in the trees above us, trilling and chattering away. We even had a brief sighting of a Merlin, a Dark-eyed Junco, and a few other birds that I we haven’t seen as a group since the late fall.

Boreal Chickadee

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Boreal Chickadee

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It’s almost like clockwork the areas in Bebo Grove where we find mixed flocks of Boreal and Black-capped Chickadees, and where the bird activity picks up bit by bit to a startling cacophony of sound and being dive-bombed by chickadees, nuthatches, and the odd kinglet or creeper. There were a few more Boreal Chickadees here than the last time we visited this little grove, and they had a very well established pecking order, with one larger bird coming in first, then the next two coming in almost as soon as it had left.

Pine Siskin

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We even had a few close encounters with some Pine Siskins once again, coming down into the lower boughs of the spruce trees to feed on hatching insects as well as on the fallen cones.

Pine Grosbeak

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One of the bird species that seems to be diminishing in numbers in southern Alberta right now are the Pine Grosbeaks. While there are a few places to still reliably find them in the city limits, I suspect that they’re heading north and west as our early spring has really ramped up over the last few weeks. Similarly, both White-winged and Red Crossbills, as well as Bohemian Waxwings seem to have all but withdrawn from southern Alberta a few weeks earlier than they normally would, despite there still being an abundance of food for them.

Golden-crowned Kinglet

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Another species we found picking through the lower branches in search of freshly hatched insects (in February, at that! The wonders of these long-lasting el Nino chinooks!) were a few Golden-crowned Kinglets. These birds were unusually unaware of our presence once again, and so we had really good looks at them while they fluttered about almost like hummingbirds feeding from the tips of the branches and all the way along each small branch and twig.

Varied Thrush

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Of course the real highlight was this male Varied Thrush. I’ve been seeing quite a few of these birds in Revelstoke, British Columbia in my trips there all winter, but these are certainly a great bird to find in Alberta, especially one returning to the same area for such a long period of time in the winter!

Varied Thrush

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We even got to hear him singing away for a few minutes, while a second male a little further off in the distance sung counter to him. If you’ve never really heard these birds before, their song is a long, high pitched piercing note, much like the sound of the brakes of a train squealing to a stop.

Varied Thrush

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Varied Thrush

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Varied Thrush

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We must have spent a good half hour with this bird, watching him from all angles while he posed, sung, posed again, and eventually moved just a little higher in the trees as the sun came around to illuminate him a little bit. It was probably the best look at a Varied Thrush some members of our group had ever had, as these birds can be quite flighty, even where they are abundant.

Have a great week, and good “spring” birding!

Mid-winter birding in Votier’s Flats

Feb24

Posted by Dan Arndt

As any birder knows, it’s nearly impossible to predict what your success will be like on any given day out in the field. Some days, you can go out and find a huge variety of species in the gloomiest and most terrible weather, while on a perfect weather day the birds all seem to disappear. My last few outings have been a lot quieter than usual, but with the above-seasonal weather we’ve had since late January it’s not entirely unusual. Our visit to Votier’s Flats on January 31 was one of those rather quiet days, but we still managed to see some good birds on the two outings I attended that week.

Votier’s Flats – January 31, 2016

While I attended one walk earlier in the week, and my regular Sunday outing, I only tracked the walk on Sunday, so one of our better sightings isn’t mapped here.

We had a fairly typical array of winter birds at Votier’s Flats, with Pine Siskins, White-winged and Red Crossbills, Black-capped and Boreal Chickadees, and of course the ever present Black-billed Magpies and Common Ravens were readily apparent. As we entered the woods, we were hailed by the calls of a White-breasted Nuthatch high up in the trees, claiming this particularly good territory for itself and announcing its presence to any female that might be paying attention.

White-breasted Nuthatch

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Mid-week, we had found a recently killed White-tailed Deer carcass, likely taken down by coyotes in the park, but that didn’t deter the rest of the White-tailed Deer from roaming around seemingly without a care in the world. This deer was photographed less than 30 meters from where we had found the kill.

White-tailed Deer

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One of the things we’ve been observing recently is Pine Siskins feeding a bit lower in the trees than usual, allowing us much better looks at much closer distances that we have for much of the winter so far. They yellow tones in the flight feathers and underwing are really starting to pop now too, making them a little nicer to photograph than your typical Little Brown Jobs.

Pine Siskin

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Pine Siskin

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After we cleared the wooded area made up mostly of spruce trees, things got really, really quiet. We headed up the hill to the area that borders on the south end of Fish Creek Provincial Park, where a number of homes have bird feeders set up, and even up there it was incredibly quiet. The only bird to be found when we checked on our first pass was this lone sickly looking Black-capped Chickadee. You can see in this photo that the feathers surrounding the eyes are all missing, and that the eyes themselves also appear a bit puffy. I have no idea what might be the cause of this, but suspect it could be ticks or some illness caused by these feeders not being cleaned regularly. It’s vitally important if you put out bird feeders to ensure that they’re cleaned regularly. The rule of thumb that I always use is that every two times I fill a feeder, I run it through the dishwasher for a good, thorough wash.

sick Black-capped Chickadee

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We did a quick loop up top, but aside from a few magpies flying by overhead, and a few other small finches flying overhead, the only bird we were able to get close to was yet another (healthy this time) Black-capped Chickadee.

healthy Black-capped Chickadee

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We headed back down the hill and through the wooded area a second time, but following Fish Creek itself in hopes of finding some birds along the creek bed. Unfortunately for us, our only additional sighting was this near-perfectly camouflaged Brown Creeper, with its high-pitched trills and even a brief little attempt at a song!

Brown Creeper

On the earlier outing that week, we had headed over towards Raven Rocks to search for Townsend’s Solitaires, and sure enough we found two singing high on the slope, and one even popped down to check us out for a few minutes before my camera decided to stop working for the day!

Townsend’s Solitaire

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Townsend’s Solitaire

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Following our outing on January 31, I headed out of town for the next two weeks, and so our next week’s update should bring us up to our outing on February 21 where we returned to Bebo Grove!

Have a good week, and good birding!

Prize Presentation – eBird Calgary 2015

Feb20

Posted by Bob Lefebvre

The highlight of the January Birds & Beers meeting was the presentation of the prizes for the eBird Calgary 2015 Birding Competition. Almost all of the winners were able to make it, and it was a lot of fun to reward the winners for their accomplishments. (All photos by Wayne Walker except where indicated.)

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Some of the birders at the January Birds & Beers. Fifty-three people attended.

Dan Arndt and I presented the prizes. Preliminary remarks.

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Ruth and Phil Ullman – 1st place, Yard Challenge, with 88 species.

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Lorrie and John Anderson – 2nd place, Yard Challenge, 61 species.

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Aidan Vidal – 1st place, Youth category, with 241 species, and 3rd place in Latecomer Challenge, with 46 species after August 1st, 2015.

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Ethan Denton, 2nd place, Youth category, 235 species, and 2nd place in the Latecomer Challenge, 49 species.

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Simone Pellerin-Wood, 3rd place, Youth Category, 175 species.

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Graeme Mudd, tied 1st place, Beginner category, 225 species.

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Brian Elder, 1st place, Experienced category, 275 species.

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Blake Weis (left) and Ray Woods (right), tied 2nd place, Experienced category, 257 species.

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Brian Elder also won the Big Day Challenge, with 153 species recorded on May 27, 2015.

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We also recognized Blake Weis’s incredible achievement of 638 complete eBird checklists submitted in 2015.

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George Best won for Bird of the Year. He found the Golden-winged Warbler in Griffith Woods Park.

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Bob, Dan, and the prize winners. Missing were Aphtin Perratt and Chris MacIntosh, who tied with Graeme Mudd for 1st in the Beginner category with 225 species, and Bernard Tremblay, who won the Latecomer Challenge with 52 species added after August 1st.

It was a lot of fun to get together and reward the winners, and to hear them talk about their birding year. Many of the competitors have told us that they really enjoyed the experience and learned a lot, whether discovering new birding locations, where to find particular species, patterns of bird movements, or using eBird as a tool and a resource. I hope we have helped some of the competitors to become better birders and to get involved in the local birding community. The use of eBird increased greatly in our region in 2015 and we hope to see this continue.

Many thanks to our sponsors who donated prizes or money for prizes: Nature Calgary, The Wild Bird Store, Friends of Fish Creek Provincial Park, Burrcan Holdings, Phil Evans, Lynne Colborne, Richard Schulze, Lynn Wilsack, Susan Thierman, Phil Cram, and an anonymous donor.

Each winner received a framed photo certificate listing their accomplishment (each with a different photo). Here is a sample (photo by Bob Lefebvre):

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Each 1st-place winner in the Year List categories received a 24″ by 36″ canvas print of a bird photograph of their choice. The winner’s selections were not yet ready for the prize presentation. Four will be awarded: Youth winner Aidan Vidal, Experienced winner Brian Elder, and two for the three people tied as winners of the Beginner category – a shared one for Aphtin Perratt and Chris MacIntosh (a birding couple) and one for Graeme Mudd.

Other prizes awarded included 2016 Bird Photo calendars by Dan Arndt, copies of the book Looking For the Wild by Lyn Hancock (personally signed by Gus Yaki), vouchers good for one season of the Friends of Fish Creek birding course, and gift certificates of various amounts to be used at the Wild Bird Store or Robinson’s Camera.

Here is a list of the winners and their prizes:

Category	Winner	Species	Prize 1	Prize 2	Prize 3
Latecomer -1	Bernard Tremblay	52	$50 Robinson's	Calendar
Latecomer -2	Ethan Denton	49	$25 Wild Bird Store
Latecomer -3	Aidan Vidal	46	$25 Wild Bird Store
Yard -1	Ruth & Phil Ullmann	88	Bird Feeder	$75 Wild Bird Store	Calendar
Yard -2	Lorrie & John Anderson	61	$75 Wild Bird Store	Calendar
Youth -1	Aidan Vidal	241	Canvas Print	Book
Youth -2	Ethan Denton	235	$75 Wild Bird Store	Book
Youth -3	Simone Pellerin-Wood	175	$75 Wild Bird Store	Book
Beginner -1	Aphtin Perratt & Chris MacIntosh	225	Canvas Print	Book	FFCPP Course (X2)
Beginner -1	Graeme Mudd	225	Canvas Print	Book	FFCPP Course
Experienced -1	Brian Elder	275	Canvas Print	$50 Robinson's
Experienced -2	Blake Weis	257	$75 Wild Bird Store
Experienced -2	Ray Woods	257	$75 Wild Bird Store
Big Day	Brian Elder	153	$50 Robinson's
Most Lists	Blake Weis	638 lists	$50 Wild Bird Store
Bird of the Year	George Best	Golden-winged Warbler	$100 Robinson's	Book

At the end of the prize presentation, we all shared a cake supplied by Joan and Wayne Walker!

Many thanks to everyone who worked so hard to make the competition a success: Committee members Dan Arndt, Joan Walker, Wayne Walker, Rose Painter, Andrew Slater, Rob Worona, Kris Fernet, David Pugh; plus Andrew Hart, Linda Vaxvick and Sue Konopnicki at Nature Calgary. We also received a lot of feedback on our initial ideas from Yousif Attia, Marcel Gahbauer, and Ilya Povalyaev. Special thanks to Wayne Walker for booking the Horton Road Legion for the prize presentation and for taking the photographs. Joan, Wayne, Rose and Dan made sure we had everything ready for the presentation and arrived early to set it all up.

Thanks again to everyone who participated, who went out on field trips, and who attended Birds & Beers and Nature Calgary events. It made for a memorable birding year!

A final presentation about the competition will be given at the April meeting of Nature Calgary’s Bird Studies Group on Wednesday April 6th, at the U of C.

The next Birds & Beers event is next Friday, February 26, at the Horton Road Legion, 9202 Horton Road SW, starting at 6 pm. Come and join your fellow birders for food, drinks, and conversation!

Winter Surprises at Beaverdam Flats

Feb18

Posted by Dan Arndt

There are few parks in town that I have such a love/hate relationship with more than Beaverdam Flats. While it’s great for getting good, close looks at Bald Eagles, and also seeing a huge number of them, there really tends not to be too much here that you can’t get better looks at, or see greater abundance in some of the other parts of town. Waterfowl are generally more diverse at Carburn Park, or along the Bow River in the eastern parts of Fish Creek Park. Songbirds are usually more abundant at Votier’s Flats and Bebo Grove, and the rare chances of seeing Great Horned Owls here are more regularly seen at Sikome Lake or at the Bow Valley Ranche. This time around was not too much different, but right at the end we had a couple very nice surprises that made the quiet morning a little more worthwhile.

Beaverdam Flats – January 24, 2016

While our usual route is picked so that we can have the sun at our backs for the majority of the walk, that morning was, as was typical of much of January, gloomy, overcast, and a little windy. We weren’t really expecting too much in the way of snow or bad weather though, so our luck has held fairly solid this season so far. Our first couple birds of the day aside from a few distant Bald Eagles were some Common Redpolls down along the creek, which turned out to have a Hoary Redpoll among them after I’d looked at my photos afterward!

Common (left) and Hoary (right) Redpolls

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Along the river, as is usual for this time of year, were hundreds of Canada Geese. By this time of the morning, many had already begun to fly off to the fields surrounding Calgary to feed, but there were still a good number right on the water, and many more travelling up and down the river bed.

Canada Geese

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During the first half hour of our walk, again, quite typical of the expected birds at Beaverdam Flats, we observed half a dozen different Bald Eagles, some adult, some immature of varying ages. Almost at random it seemed, the flyovers of some would cause the waterfowl to flush off the water, while others simply got a casual eye turned up at them. One reason seems to be that the waterfowl are able to tell how full the crop of these raptors is, so they can tell whether the eagles are actively hunting or simply checking the menu.

adult Bald Eagle

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In addition to the numerous Canada Geese and Mallards on the river, Common Goldeneye were abundant, though those three species were pretty much the only ones out that day. Many years we’ll have numerous Common Mergansers, Barrow’s Goldeneye, even Hooded Mergansers and occasionally American Wigeon as this stretch of river is downstream from a water treatment plant.

Common Goldeneye

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Sadly, once we turned back to head along the north stretch of our walk, things got very, very quiet. We heard a handful of White-breasted Nuthatches, Black-capped Chickadees, and even a small number of Downy Woodpeckers fighting over territory, but it seems the flood damage in the interior part of the park is still keeping the usual songbird numbers low, at least in the winter.

White-breasted Nuthatch

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Downy Woodpecker

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The northern section of this park is currently closed and under remediation by the City of Calgary due to flood damage, and more details about this repair can be found here: City of Calgary – Beaverdam Flats

We turned around at the fenced off area and had a quiet walk back to the base of the hill below where we had parked, and it seemed like that’s when things really started to get busy for us! A few juvenile Bald Eagles soared by low overhead and gave some great photo opportunities, especially this guy who was maybe 50 feet overhead.

immature Bald Eagle

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While we were watching this young eagle, there was some faint tweeting and rustling in the shrubs behind us. This is a usual spot for us to find Townsend’s Solitaires, Rusty Blackbirds, and American Robins in the winter, though the number of juniper bushes along this hill has seemingly disappeared in the years since the 2013 flood. There were a pair of American Robins bustling about in the berry shrubs on the far edge of the shrubline, making it hard to get a really good look at them, but there were a few openings here and there.

American Robin

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It wasn’t until we got close enough to get these shots of the robins through the shrubs that we heard the tell-tale trill of waxwings feeding low in the bush. When they popped out into the open, it was clear that these weren’t Bohemian Waxwings, and that there were more than a handful of these birds down there. In all, five Cedar Waxwings were present in the bushes, with one little one appearing to only be a few months old, likely a late hatching immature bird from last September or early October.

adult Cedar Waxwing

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immature Cedar Waxwing

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It always makes it worthwhile to get out there, no matter how uncertain the weather or how typically dull one park or another can be, and it’s these random finds that you’d never even think to look for that turn up at the most unusual places.

Have a good week, and good birding!

Sunday Showcase: Residents, Winter Visitors, and Overwintering Birds

Feb7

Tony LePrieur photographed these birds on January 30 and 31, 2016.

Pileated Woodpecker (female), a year-round resident of Fish Creek Park.

Downy Woodpecker (male), a resident of Carburn Park.

White-winged Crossbill (female or immature), an annual winter visitor to Queen’s Park Cemetery.

White-winged Crossbill (male), Queen’s Park Cemetery.

White-winged Crossbill (female or immature), Queen’s Park Cemetery.

Varied Thrush (male), an occasionally overwintering bird, Fish Creek Park.

Varied Thrush (male), Fish Creek Park.

Winter Birding at Bebo Grove

Feb3

Posted by Dan Arndt

Following the first outing to search for the continuing rare birds at Carburn Park, we headed to Bebo Grove in search of a possible return of the Northern Pygmy-owl from last winter, or maybe a Barred Owl, or a little less charismatic, but nonetheless interesting American Three-toed Woodpeckers. While we didn’t find any of those three species, we did find a few more elusive birds in some of the best upland boreal habitat you can find in the city of Calgary.

Bebo Grove, January 17, 2016

Our morning got off to a relatively slow start, as our search for Bob, the leucistic Red-breasted Nuthatch turned up empty, as did our search through the picnic area for either American Three-toed or Black-backed Woodpeckers.

male Pileated Woodpecker

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Even a trip to the edge of Fish Creek itself was quiet and uneventful, until a last minute glimpse of a Pileated Woodpecker got our attention. We worked our way around the grove until everyone was able to get a good, unobstructed view of the bird, and as we left it there it was still working away on the same tree.

Golden-crowned Kinglet

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Mountain Chickadee

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Across the creek we headed to a feeding station where a pair of Mountain Chickadees had been seen throughout the week. One little surprise, and always welcome, were a pair of Golden-crowned Kinglets singing away in the trees. They displayed for a few minutes, and while we were watching and listening, we also heard our first Boreal Chickadee songs from the dense trees.

Around the corner was the Mountain Chickadee location, and this individual looked a little bit rough around the edges. While it was feeding quite vigorously on the provided sunflower seeds, it gave us quite a few good looks out in the open. We may have seen a second individual there, but never two at the same time, so none of us had any certainty about there being two birds.

White-tailed Deer

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As we followed the creek east and north into the park, we nearly missed a trio of White-tailed Deer resting in the snow less than twenty meters off the path, but wide out in the open. It wasn’t until this young deer stood up and poked its head around the edge of the tree that we noticed it and the two older females nearby. These deer are in good numbers in the park this winter, and all appear to be relatively healthy!

immature Bald Eagle

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As we crossed Bridge 5 in search of Townsend’s Solitaires, owls, and other birds more common in the more open aspen stands north of the creek, we turned around to spot this young Bald Eagle soaring and circling above us on a thermal. With each circle it gained in elevation quite significantly, until it eventually reached its predetermined cruising altitude and it took off to the south.

Boreal Chickadee

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As we rounded out our morning in a particularly dense stand of spruce, we stopped at a particular feeding station which had been home to a rare overwintering Lincoln’s Sparrow, but try as we might, and wait as long as we did, it didn’t turn up for us to this location. We did have a good number of Black-capped Chickadees, and even had a few Boreal Chickadees turn up for a few minutes as the sun came out to greet them.

Bohemian Waxwings

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A little later on we stopped to listen as a flock of birds suddenly appeared above the tree-line and perched across the creek from us. A large group of Bohemian Waxwings, our first of the day, perched in the sun high on the side opposite us.

Red Squirrel

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Our last few minutes before we headed back to the parking lot to end the day was a search for some more American Three-toed or Black-backed Woodpeckers, and while we had some evidence of fairly recent activity, the best we came up with was this little Red Squirrel chowing down on some spruce cones.

Winter Rarities at Carburn Park

Jan27

Posted by Bob Lefebvre

The Friends of Fish Creek Provincial Park (FFCPP) winter birding course began just after the new year, and once again there are many groups going out six days each week to one of Calgary’s parks to learn about the birds. For week #1 we went to Carburn Park, where a few rare (for winter) birds have been seen recently. Our targets included a Pied-billed Grebe, a Red-breasted Merganser, and a Double-crested Cormorant.

Carburn Jan 10 map

Carburn Park route, January 10, 2016.

Dan Arndt was away on the first Sunday of the course (January 10) so I filled in for him as one of the leaders. At the start we went south from the parking lot to the Sue Higgins Bridge. There, as we looked for Killdeer and Barrow’s Goldeneye, members of a Nature Calgary outing pointed out a pair of Snow Geese just downstream.

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Immature (left) and adult (right) Snow Geese with Canada Geese.

Snow Geese are almost never seen in Calgary in Winter and hadn’t been reported from Carburn Park. However, we did have three, and adult and two immature birds, on the river at the Inglewood Golf Course in late December. Those three birds had been up on that stretch of the river for a while but had not been reported in the new year that I know of. These two geese at Carburn were likely the same ones, minus one immature bird. It may have been elsewhere on the river or perhaps it was predated or died for some other reason.

We did find some Barrow’s Goldeneye near the bridge as well. There are often quite a few in the Carburn Park/Beaverdam Flats section of the river.

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Male (left) and female (right) Barrow’s Goldeneye, with Canada Geese.

There were also some overwintering Killdeer on the ice at the river’s edge.

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Killdeer with Canada Goose.

As we walked back to the main park, we spotted this Merlin on a branch overlooking the river.

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Merlin.

Farther north we found a lone scaup. We debated whether it was a Lesser or a Greater, but not having a scope that day, we weren’t sure. Later, the Nature Calgary leaders told us that they were able to identify it as a Greater using their scopes.

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Greater Scaup (centre).

We saw a few Common Mergansers while we were watching out for the Red-breasted. Their bright orange-red bills really stood out, especially on the black and white males.

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Common Merganser (male).

The mergansers spent quite a bit of time looking for fish, which they did by dipping their heads down so that their eyes were below the water as they floated downstream. Occasionally, they would see something worth chasing and make a dive.

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Male Common Merganser scanning the river bottom for fish.

Towards the north end of the park we found the Pied-billed Grebe by the near shore. These birds almost never overwinter here but this one has been in Carburn for quite a while now.

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Pied-billed Grebe.

Finally, way at the far side of the river, we found the Red-breasted Merganser. It was quite a bit smaller and darker than nearby female Common Mergansers. Red-breasted Mergansers also have a very thin bill, which, at the distance we saw it from, was difficult to see at all.

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Red-breasted Merganser (at centre, on the other side of the ice).

Usually these birds are only seen in our area in small numbers on migration. (I didn’t see a single one in 2015.) Fall migrants can pass through as late as November or even early December, but seeing one in January is extremely rare here.

A nice surprise at the end of our walk was a small flock of about eight Cedar Waxwings. A few usually overwinter here every year, where they are overshadowed by vast flocks of Bohemian Waxwings.

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Cedar Waxwing.

We didn’t see the overwintering cormorant that day, but there were lots of good birds for a mid-winter day!

Dan will be back in this space soon with photos and reports from Bebo Grove and Votier’s Flats.

Uncommon Redpoll

Jan23

Posted by Bob Lefebvre

One of the classes of pigments that produces colour in bird feathers is the carotenoids. It is responsible for bright yellow, red, or orange feathers. Carotenoids are produced by plants, and birds acquire them by eating plants or by eating something that has eaten a plant. A species that normally has red plumage can sometimes have either orange or yellow instead, depending on what the bird has been eating.

In Calgary, we are used to seeing male House Finches with predominantly red pigments, but it’s not too uncommon to see one with orange or yellow instead of red. However, of the thousands of Common Redpolls I’ve seen, I’ve never noticed one that didn’t have a red cap and (in males) a pinkish wash on the breast.

The bird below was photographed recently by Tony LePrieur. It has yellow where there would normally be red. Has anyone else ever seen a Redpoll like this? I imagine such colour variants must be quite a bit more rare in Redpolls than in House Finches, at least in our part of the country.

Update, February 7, 2016 – this redpoll, or one like it, has been seen again in the Weaselhead area. Another was seen in Lynnwood in SE Calgary. I have heard that redpolls with yellow like this may be older females.

Yellow Redpoll

Common Redpoll. Photo by Tony LePrieur.

Have you seen an unusual bird in the Calgary area? Send a photo to us at birdscalgary@gmail.com.

Birds Calgary

A birding blog for Calgary, Alberta and area

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