In the thorny acacia trees of the Kalahari Desert, avian construction crews are hard at work. White-browed sparrow weavers, a species of social bird, assemble complex roosts and nests from ...

Neighboring groups of birds within the same species can create very different-looking nests — showing that their nest-building choices aren't solely controlled by instinct and the environment. Instead ...

We love the thought of birds nesting in our yards. The thought that such a small creature could feel safe enough in our presence to raise its young is heartwarming, indeed — but not all clusters of ...

Nests are generally thought of as a bird’s home, but it is more appropriate to consider them a nursery for raising baby birds. S.K. Winnicki, a Ph.D. candidate in avian evolutionary ecology at the ...

A Baltimore oriole nest made of mostly horse hair, and only horse hair, is the best bird nest I have ever seen. It was found in a tree in the yard of a friend. Alex, who showed me the nest, lives on ...

Nest-building isn't just instinct. Birds can learn from others, letting groups within one species develop their own distinctive nest-building... When birds build nests, they're also building a culture ...

A white-browed sparrow weaver inspects a roost under construction, after just receiving some grass brought by another member of its group. (Maria Cristina Tello-Ramos) Neighboring groups of birds ...