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 ...

Birds can learn from others, letting groups within one species develop their own distinctive nest-building traditions. Research News When birds build nests, they're also building a culture ...

Birds in colder environments build bigger, thicker, more insulating nests than their warm-weather counterparts. The new study introduces a third possible variable: avian tradition.

Sociable weavers in southern Africa build massive nests that look like haystacks hanging from trees or poles. These nests can hold hundreds of birds from many families. Inside, there are separate ...