The thunder rolled and lightning danced among the jagged peaks as a summer rainstorm soaked the alpine meadows of California’s Sierra Nevada. Our parkas were zipped tight and heads down as we plodded ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Bird nest constructed with twigs in a tree - MartaWaterArt/Shutterstock Spotting a bird nest in ...

Nests can be found anywhere birds are found. Here, many of our species are forest nesters appreciative of the leafy camouflage protecting them from predators. They come in all sizes from the large ...

It is spring in the northern hemisphere and birds initiate the remarkable architectural feat of building a home for the young. How is this accomplished? Hormones and Getting in the Mood Much of the ...

We like to think that animals follow the crowd. If most of the group does something, surely the individual will copy. But what if the story is more complicated? What if the deciding factor isn't just ...

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 ...

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 ...