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

Researchers can now predict the number of offspring a bird will have based on its prolactin and corticosterone levels. Some animals produce more offspring than others. Hormones like prolactin and ...

The world's largest species of seal has been devastated by bird flu, which has wiped out half of all breeding females at a key wildlife haven near Antarctica, scientists warned Thursday. Biologists ...

Create an account or log in to save stories. EMILY BRIGHT: That's what I heard first thing Sunday morning heading into the radio station before dawn, a cacophony of birds in my neighborhood. There are ...

Knowing that the birds do some extracurricular exploration when they reach their breeding grounds means scientists may need to expand the range of future studies. Tim Romano / Smithsonian's National ...

MyDNR, Indiana’s Outdoor Newsletter: The latest Breeding Bird Atlas is available. The Division of Fish & Wildlife thanks all atlas participants for their hard work and patience as we worked together ...

The breeding seasons of wild house finches are shifting due to climate change, a Washington State University researcher has found. The breeding seasons of wild house finches are shifting due to ...