As demolition of the former eastbound McClugage Bridge across the Illinois River began Thursday, many people wondered about ...

"The oldest layer is as old as me — all my life, a bird was nesting here," said Auke-Florian Hiemstra, a biologist at the ...

The eagles at the U.S. Steel nest in West Mifflin are on egg watch — as are the hundreds of people who watch the livestream.

A hummingbird chick in Panama mimics a poisonous caterpillar to avoid predators—a rare case of bird-to-insect mimicry. When ...

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

Spring is in the air — which means nest-making season is upon us! For this month’s Chirp Chat, Lake Effect’s Xcaret Nuñez ...

Barn swallows, infamous for their mud nests in doorways, are returning. Once they make a nest, you can't legally remove them.

Rooks’ nests are very obvious at present as these birds build early in the spring before buds burst and the leaves unfurl on ...

The eagles at the U.S. Steel nest in West Mifflin are on egg watch — as are the hundreds of people who watch the livestream.