Aye-ayes have the largest relative eyes of any primate. elaborate share
Some amphipods, like the skeleton shrimp, are bioluminescent, meaning they can produce their own light. elaborate share
Moray eels have surprisingly good eyesight, despite living in dark crevices. elaborate share
Kangaroos can't walk backward. elaborate share
Axolotls can regenerate lost limbs, spinal cord, and even parts of their brain. elaborate share
Hoatzin chicks have claws on their wings which they use to climb trees. elaborate share
Howler monkeys are named for their incredibly loud howls, which can be heard up to 5 kilometers (3 miles) away. elaborate share
