Scientists use ultra-light sensors connected like cell phones to study how bats migrate over Europe more

After migrating to their wintering grounds, the animals move as little as possible to conserve energy more

Small bats fly home using environmental features with distinctive acoustic cues as landmarks more

Study of four crane species reveals the complicated relationships between birds and their environments more

Golden eagles improve their flight skills with age more

The birds save more energy prior their migration to the south than they consume during the flight itself more

Young animals in particular prefer to move with their conspecifics more