They communicate with each other using scents and howling. Gestation is around 2 months usually bringing about 4-7 pups. Their species name is Canus lupus . Dolphin Dolphins are marine mammals not fish. They are found in most of the world's waters.
Dolphins eat mainly fish, but a few eat squid, shrimp, and other small marine life.
The bottle-nose dolphin can reach 9 feet in length and weigh up to 440 pounds. They have conical shaped teeth, a beak-like nose and a blowhole on top. Their tail moves up and down unlike fishes which move from side to side. Their species name is Tursiops truncatus . Bison Bison are a species of wild oxen formerly found in most of North America and Europe.