Plastic waste has let common coots reuse nests year after year. Scientists have now used the trash layers to date how old nests are.

The Italian ecologist knew the trash hung from the nests of a certain bird, the black kite. But why? Many species of birds decorate their nests to attract a mate—but kites already have partners ...

The researchers noted that old nesting material can be host to harmful parasites like red mites and too much plastic in the nest increases the risk of entanglement for the birds, sometimes ...

If the female bird likes it and they mate, a nest is built for laying eggs. The young birds are then hatched there. Weaver ...