[cobirds] Colorado Rare Bird Alert for Valentine's Day, Friday, Feb 14, posted Feb 13 at 10 PM

Date: Friday, February 14, 2020 Email: r...@cobirds.org Compiler: Joe Roller, jroll...@gmail.com 303 204-0828 __ Birders have been helpful by reporting updates to COBIRDS. Thanks! CAPITAL LETTERS denote very rare species, as listed by the Colorado Bird R

[cobirds] So Many Gulls - Centennial (Arapahoe)

I've lived in Centennial for four winters now. This winter, like the last several, significant numbers of gulls move west to east around dawn and back again at dusk. Tonight, the movement was significant, with several large kettles of them forming to rise, gracefully, on thermals and even more