1. Butterflies have taste receptors on their legs . When they land on a leaf, they can test it to see if they can eat its caterpillars.
2. Wild dolphins are called by their “name” . Researchers discovered that these marine mammals hiss to identify themselves.
3. Squirrels don't vomit . Scientists determined that rodents are the only mammals that cannot vomit. 4. Some male penguins declare themselves female penguins. Male Gentoo and Adelie penguins search for pebbles to give to females for courtship and mating.
5. The male ostrich can roar like a lion . The sounds are amazingly similar.
