Humans use calendars, while animals track the seasons in myriad ways — but the red-necked nightjar answers only to the moon.

Every month, as lunar brightness rises and falls, the bird adjusts how it feeds, how much energy it stores and even when it ...

These videos from Audubon Photography Awards are a unique chance to marvel at the winged creatures inhabiting our world.

Birds worldwide make strategic decisions about how they live based on their environmental conditions. Some live fast, die young, and leave as many chicks as possible. Others live long and prosper by ...

"Bird Love looks at the extraordinary range of mating systems in the avian world, exploring all the stages from courtship and nest-building to protecting eggs and raising chicks...[it] is a ...

On a recent October Sunday morning, I was wrapping up a workout on the local high school track when I noticed an unusual ball of fluff flapping in lane 5. Closer inspection revealed the puffball was a ...

You've likely seen the headlines: "Three Billion Birds Lost in Just 30 Years." Some of us remember meadowlarks singing from every fence post. No more. Many of us remember the haunting nightly call of ...