72 species seen during a very successful count!

Posted by Bob Lefebvre birdscalgary@gmail.com

We had really good results on the Calgary CBC on Sunday December 17. The weather was still very mild, and we had a lot of partcipation both in the field and at backyard feeders. The species total was 72, with an additional 2 Count Week species not seen on Count Day but seen on the three days before or after the count.

Below are the results as reported by Matt Wallace, the organizer of the count. First, watch a YouTube video with a quick summary. Next, the Summary Report has some details about the species counted on page one, and then a list of the birds on pages two and three. Just hover over the report and use the arrows at the bottom of the page to navigate there. Third, if you really want a lot of detail, and want to make your own graphs and so on, you can download the Results file. Finally, anyone can explore the eBird Trip Report, which includes all the checklists and photos submitted by our Field Teams.

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From Matt:

Lara, Bob, and myself finally have all of the numbers tallied for the 72nd annual Calgary Christmas Bird Count! After a few days of enjoying the holidays ourselves, we’ve got the results ready for you to enjoy and explore!

Count Summary:

So, our total count this year was 35,833 birds! We had 72 species documented on count day with 2 more species found during count week. We added 3 new species to our 72 year list which included a Cassin’s Finch, Gray Catbird, and Western Grebe. Our “Count Week Birds” were a Yellow-rumped Warbler and Winter Wren. 

Overall, our total bird count was way down from previous years but our species count was right on par with our 15-year average. Our low numbers are undoubtedly related to our low counts of Canada Goose, Mallard, and Bohemian Waxwings. It’s challenging to say exactly why this is but likely related to the warm temperatures we’ve experienced with very little ice on the river. When we have lots of ice on the river system there are few places for waterfowl to congregate. The Elbow and Bow do not freeze over entirely even in the coldest of winter so this is where they gather. When there is very little ice the birds are unlikely to congregate within the count circle. We heard little about dead birds from field teams this year but we know that avian flu has been a big issue the past few years. This may have contributed to our lower counts but really it is not clear at this time. As for our finches and waxwings, our numbers were below what we expected but again there is bountiful food for them currently in the boreal regions which again would not drive them towards or into our circle. 

Overall, we are really pleased with how the count went this year despite having lower numbers of birds. We heard from lots of people that they enjoyed their day exploring new areas of the city and getting to meet new birders. We had 16 brand new birders (less than one year of birding) and 74 participants who had never taken part in a CBC before! We also had several participants that were participating for their third or fourth decade! Just amazing to see the age range (4-99 years), diversity of skill levels, and support that our Calgary birding community brings together! Thank you for all of your hard work and we should all celebrate what we accomplished as a community! 

Below are some ways you can explore the results in further in detail:

1) Results Video: If you’d like a quick recap of the event you can now view the Results video on YouTube. https://youtu.be/EgwSl1iEp6Y  (see above). Please feel free to share and we’d love for a few likes and subscribers! If you submitted some photos, you’re likely to find a mention. We also had to cherry-pick a few photos from our eBird Trip Report but have credited each photographer. If you’re still sitting on some photos or videos from count day, please send these along so we can use them in our results presentation in January.

2) Summary Report (.PDF): This is a brief summary of all of the bird and effort data we collected showing the final results and a few graphs of how far we’ve come over the years.

Calgary-CBC-2023-Summary-Report

3) Bonus: Results Excel File: This is a detailed snapshot of our “behind the scenes” work which Lara has masterfully crafted for our count circle the past three years. Feel free to explore this at your own leisure if you’re a data nerd like us! This may be a bit more technical than some people would like but I figured a few people may be interested in seeing it anyways. Download the file to explore it.

A few tips for this file: 

• Use the tabs at the bottom of the page. There are really only a few tabs to be concerned with here (Graphs, Analysis, and Report). Look for any bold red text to help you understand how to investigate the data:
  • Graphs Tab:
    • In cells A3 (species) and A37 (Family) you can enter any species we’ve ever had on the Calgary count to produce immediate graphs. You must type the exact spelling of the species you would like to review. If your graphs are appearing empty, the spelling is likely off. If you are unsure of the spelling you can copy and paste the names of the birds found in the “Report” tab. You can then hover your mouse over the graphs to see the numbers for each year.
  • Analysis Tab:
    • In Row 7 you can use the drop down filters to explore things like News species, Record Highs, Record Lows, and comparisons between our yearly averages for each species.
  • Report Tab:
    • This tab is essentially what you see in the Summary Report File. 

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4)  eBird Trip Report (Field Team Data submitted via eBird Only) 

The 2024 Calgary CBC will take place on December 22, 2024! I’ve gone ahead and set up the registration form for next year in the case you wanted to register in advance. Just a note that this form will be online throughout the year so there is no rush to get it filled out. We will be sending out reminders and information September-December 2024. https://forms.gle/wBcfCRD4sqFpQ8qq9

• One thing that isn’t displayed on our spreadsheets is the number of NEW birders/ participants we had this year (see comments above). This is one of the reasons why we are using a registration form – simply because we want to keep the CBC as accessible as possible!

We are working with Nature Calgary to organize a CBC 2023 event presentation in January and will send out an invitation to all 2023 participants to join the event and do a more in-depth analysis of our results this year!

You may also know that I assist with organizing other citizen science events throughout the year including the Calgary City Nature Challenge, Bioblitzes, Biodiversity Challenge, National Moth Week, and various other bird counts! Most of these are shared on my social media pages (@ CityNatureYYC) on Instagram, Twitter (X), and Facebook. If you’re keen on participating in other events, give these pages a follow so you’re up to date on what is happening around Calgary and Southern Alberta! I also reshare any photos or videos people post so if you’re out on your own, tag me and I’ll reshare your nature stuff!

Thank you very much to all participants and we look forward to having you back next year! I hope you all had a great time and are enjoying your holidays. 

Happy New Year!

Matt Wallace