Birds in Hawai‘i are stealing nesting materials from each other, and this simple act may affect survival in crowded forests.

Global warming may be causing birds to alter their nesting habits, according to a new study that found that some species in Chicago are laying their eggs, on average, nearly a month earlier than usual ...

Birds in Hawaii are stealing from each other, and this bird-on-bird crime even extends to members of the same species. It’s ...

Not every nest in trees is a bird nest! Here's what a squirrel nest looks like and how to deter squirrels from nesting in your yard.

High in the forests of Hawai‘i, songbirds are stealing twigs and moss from one another’s nests. Researchers find this quiet ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Parrots are not an uncommon bird species — there are about ...

Spring is in the air. Birds are singing and beginning to build their nests. It happens every year, like clockwork. But a new study in the Journal of Animal Ecology shows that many species of birds are ...