Amazonian manatee migrations

Manatees, those docile grazing giants of the aquatic world, have an easy life, or so it would seem. In Western Amazonia, however, life is a bit more complicated. Amazonian manatees (Trichechus inunguis) are subject to the seasonal ebbs and flows of the mighty rivers of the Amazonian basin. They have Read More...

Bats use sunset cues to calibrate their magnetic compass

Bats typically emerge from their roosts at dusk to forage for food. They use echolocation (pulses of sound and returning echos) to orient themselves over short distances, avoid objects, and detect prey. Over longer distances, echolocation is Read More...