A white-throated round-eared bat (Tonatia silvicola) catches — and munches — a katydid on Barro Colorado Island in Panama. Katydids are "the potato chips of the rain forest," scientists say.
Christian Ziegler/ Minden Pictures/Getty Images
For 15 years, biologists in single-person, ultralight aircraft would each lead an experimental flock of young whooping cranes from Wisconsin to a winter home in Florida. But not anymore.
Green when young, and about the size of an adult human's hand when full-grown, Dryococelus australis is more commonly known as the Lord Howe Island stick insect, or the tree lobster.
Courtesy of Rohan Cleave/Melbourne Zoo