Warming temperatures from climate change cause tree swallows to nest up to two weeks earlier than they did in the 1970s, but ...
Sure, these birds are hardy enough to get through a few cold days — even days with snow flurries — but there is a cumulative ...
YAKIMA, Wash. As a teenager starting down the road to identifying birds, I found swallow identification very challenging. These little guys are so flitty you can’t get a decent look! With perseverance ...