You might think that the neotropics are one big mating party, but even in places that stay green and vibrant year-round, ...

Wild parakeet breeding populations are established in more than 30 countries They're good at adapting to new environments, and there are few natural predators outside native area Love them or hate ...

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 ...

One of the rarest birds in New Zealand is having its best breeding season in decades, potentially doubling the population. The orange-fronted parakeet, known locally as the kākāriki karaka, is in the ...

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 ...

After its fourth season of field work, volunteers with the Wisconsin Breeding Bird Atlas II have documented 225 species of breeding birds in the Badger State, including 13 species not found in the ...

Farallon Islands researchers are alarmed after recording one of the worst breeding seasons this year in the largest seabird breeding colony in the continental United States. “I probably haven’t seen ...