Calgary 2020 Big Year Birding Challenge
Posted by Bob Lefebvre For the past two decades Nature Calgary has sponsored year-long birding competitions every five years. In 2000 and 2010 the goal was to see as many species as you could within the city limits in the calendar year. In 2005 and 2015 goal was the same, but the area used was … Continue reading Calgary 2020 Big Year Birding Challenge
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