My tongue is as big as an elephant but my food of choice is smaller than a paperclip—what in the world am I? As to my armored green neighbor, who spends her days eating nothing but algae and grasses, she ends up too often in an expensive soup—can you guess what she is? Even creatures as big as blue whales and giant sea turtles can disappear from Earth if human beings shirk their duty to protect the planet. Mollusks, mammals, fish, birds, reptiles, and one spider are spotlighted on these forty-eight cards: their identities are hinted at on the front of the card, and their natural history and survival tale are told on the back.