Migration already has been heavily altered by building and development and the loss of green spaces along the major migratory ...

Migrating birds 'out of sync' and hungry (coming soon)| The remarkable migration of the black swift | How birds get their ...

When you think of animals that build nests, your mind likely travels to birds. However, while it is true that birds are one ...

Swiss voters are casting final ballots on Sunday on a proposal to increase protections for the Alpine country's cherished ...

In all species, cardiovascular fitness is a sign of good health. For these little flyers, endurance comes most naturally.