Bird populations are in rapid decline across North America. While climate change is just one of the many factors influencing North American birds, its effects are significant and can interact with ...

Climate change has now become one of the biggest threats to ecosystems globally, as global cycles that have helped species thrive for centuries have shifted. Birds in particular, for their elaborate ...

Larger-bodied migratory birds are reproducing less, while sedentary species of small-bodied birds tend to produce more offspring under similar conditions, according to an international study focused ...

Have you ever heard of a copulation hat? Well, perhaps we should talk about human-assisted bird reproduction for a minute. When the pesticide DDT threatened peregrine falcon populations in the 1970s, ...

Both usually produce few young at one time, and ensure their survival by caring for them. Unlike mammals, birds lay eggs and initial stages of development occur outside the mother’s body. Reproductive ...

What really came first -- the chicken or the egg? Birds' reproductive biology is dramatically different from that of any other living vertebrates, and scientists have long wondered how and when the ...

Looking for a bird's-eye view of human impact? A new study published in the journal Nature provides the most comprehensive picture yet of how human noise and light pollution affect birds throughout ...

The question of whether the chicken or the egg came first is probably one of the world's longest-running arguments. And while scientists cracked the question in 2010, saying the chicken must have ...

Bird populations are in rapid decline across North America. While climate change is just one of the many factors influencing North American birds, its effects are significant and can interact with ...