Archive | February, 2017
Golden-crowned kinglet

Birds and question marks

Today was the final day of the 2017 Great Backyard Bird Count, an annual citizen-science effort presented by the National Audubon Society and the Cornell Lab of Ornithology. So far during this four-day event, more than 100,000 checklists have been submitted from all over the world by people who spend as little as 15 minutes […]