How Birds Stay Cool in the Summer
― I watched several Tree Swallows recently and noticed that when they stuck their head out of the hole in the nest box, it looked as if they were panting. After a little research, I found that an open mouth is one sign that a bird might be overheating and working to lower its body temperature. Because [...] ∙ Related posts:Baltimore Oriole Fledgling ∙ The Melodic Song Sparrow ∙ Photo of the Day: Hummingbird Portrait .







