Beginners' zoology . -ftiKf?afei?4ig=^^.-^21^^g Fig. 378. — Harpooning Greenland Whale(see Fig. 351). Porpoises and dolp/iins, which are smaller species ofwhales, live near the shore and eat fish. the ex-pression blow like a porpoise. They do not exceed fiveor eight feet in length, while the deep-sea whales are fromthirty to seventy-five feet in length, being by far the largestanimals in the world. The size of the elephant is limitedby the weight that the bones and muscles support andmove. The whales size is not so limited. The whale bears one young (rarely twins) at a mother
Beginners' zoology . -ftiKf?afei?4ig=^^.-^21^^g Fig. 378. — Harpooning Greenland Whale(see Fig. 351). Porpoises and dolp/iins, which are smaller species ofwhales, live near the shore and eat fish. the ex-pression blow like a porpoise. They do not exceed fiveor eight feet in length, while the deep-sea whales are fromthirty to seventy-five feet in length, being by far the largestanimals in the world. The size of the elephant is limitedby the weight that the bones and muscles support andmove. The whales size is not so limited. The whale bears one young (rarely twins) at a mother carefully attends the young for a long blubber, or thick layer of fat beneath the skin, servesto retain heat and to keep the body up to the usual tempera-ture of mammals in spite of the cold water. It also serves,along with the immetise lungs, to give lightness to the body. MAMMALS 209
Size: 1718px × 1454px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, booksubjectzoology, bookyear1921
