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 ...

Birds have learned to adapt to any environment and build a nest anywhere that fits their needs. Each species has their own unique nesting habits, but many are incredible architects, able to construct ...

City birds are using discarded cigarette butts to build better nests. House finches and house sparrows incorporate these butts for warmth and to repel insects. This clever adaptation helps protect ...

Maria Cristina Tello-Ramos 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 ...

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 ...