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<h2> CHAPTER XL The Mammals of the Sea </h2>
<p>It was the last day of Old Mother Nature's school in the Green Forest, and
when jolly, round, bright Mr. Sun had climbed high enough in the blue,
blue sky to peep down through the trees, he found not one missing of the
little people who had been learning so much about themselves, their
relatives, neighbors and all the other animals in every part of this great
country. You see, not for anything in the world would one of them
willingly have missed that last lesson.</p>
<p>"I told you yesterday," began Old Mother Nature, "that the land is
surrounded by water, salt water, sometimes called the ocean and sometimes
the sea. In this live the largest animals in all the Great World and many
others, some of which sometimes come on land, and others which never do.</p>
<p>"One of those which come on land is first cousin to Little Joe Otter and
is named the Sea Otter.</p>
<p>"He lives in the cold waters of the western ocean of the Far North. He
much resembles Little Joe Otter, whom you all know, but has finer,
handsomer fur. In fact, so handsome is his fur that he has been hunted for
it until now. He is among the shyest and rarest of all animals, and has
taken to living in the water practically all the time, rarely visiting
land. He lies on his back in the water and gets his food from the bottom
of the sea. It is chiefly clams and other shellfish. He rests on floating
masses of sea plants. He is very playful and delights to toss pieces of
seaweed from paw to paw as he lies floating on his back. Of course he is a
wonderful swimmer and diver. Otherwise he couldn't live in the sea.</p>
<p>"Another who comes on land, but only for a very short distance from the
water, is called the Walrus. He belongs to an order called Finnipedia,
which means fin-footed. Instead of having legs and feet for walking,
members of this order have limbs designed for swimming; these are more
like fins or paddles than anything else and are called flippers. The
Walrus is so big that I can give you no idea how big he is, excepting to
say that he will weight two thousand pounds. He is simply a great mass of
living flesh covered with a rough, very thick skin without hair. From his
upper jaw two immense ivory tusks hang straight down, and with these he
digs up shellfish at the bottom of the sea. It is a terrible effort for
him to move on shore, and so he is content to stay within a few feet of
the water. He also lives in the cold waters of the Far North amidst
floating ice. On this he often climbs out to lie for hours. His voice is a
deep grunt or bellowing roar. The young are born on land close to the
water.</p>
<p>"The Sea Lions belong to this same fin-footed order. The best known of
these are the California Sea Lion and the Fur Seal, which is not a true
Seal. The California Sea Lion is also called the Barking Sea Lion because
of its habit of barking, and is the best known of the family. It is
frequently seen on the rocks along the shore and on the islands off the
western coast. These Sea Lions are sleek animals, exceedingly graceful in
the water. They have long necks and carry their heads high. They are
covered with short coarse hair and have small, sharp-pointed ears. Their
front flippers have neither hair nor claws, but their hind flippers have
webbed toes. They are able to move about on land surprisingly well for
animals lacking regular legs and feet, and can climb on and over rocks
rapidly. Naturally they are splendid swimmers.</p>
<p>"The largest member of the family is the Steller Sea Lion, who sometimes
grows to be almost as big as a Walrus. He is not sleek and graceful like
his smaller cousin, but has an enormously thick neck and heavy shoulders.
His voice is a roar rather than a bark. The head of an old Sea Lion is so
much like that of a true Lion that the name Sea Lion has been given this
family.</p>
<p>"The most valuable member of the family, so far as man is concerned, is
the Fur Seal, also called Sea Bear. It is very nearly the size and form of
the California Sea Lion, but under the coarse outer hair, which is gray in
color, is a wonderful soft, fine, brown fur and for this the Fur Seal has
been hunted so persistently that there was real danger that soon the very
last one would be killed. Now wise and needed laws protect the Fur Seals
on their breeding grounds, which are certain islands in the Far North. The
young of all members of this family are born on shore, but soon take to
the water. The Fur Seal migrates just as the birds do, but always returns
to the place of its birth. Man and the Polar Bear are its enemies on land
and ice, and the Killer Whale in the water. Mr. Fur Seal always has many
wives and this is true of the other members of the Sea Lion family and of
the Walrus. The males are three or four times the size of the females.
Among themselves the males are fierce fighters.</p>
<p>"The true Seals are short-necked, thick-bodied, and have rather round
heads with no visible ears. The Walrus and Sea Lions can turn their hind
flippers forward to use as feet on land, but this the true Seals cannot
do. Therefore they are more clumsy out of water. Their front flippers are
covered with hair.</p>
<p>"The one best known is the Harbor or Leopard Seal. It is found along both
coasts, often swimming far up big rivers. It is one of the smallest
members of the family. Sometimes it is yellowish-gray spotted with black
and sometimes dark brown with light spots.</p>
<p>"The Ringed Seal is about the same size or a little smaller than the
Harbor Seal and is found as far north as it can find breathing holes in
the ice. You know all these animals breathe air just as land animals do.
This Seal looks much like the Harbor Seal, but is a little more slender.</p>
<p>"Another member of the family is the Harp, Saddle-back or Greenland Seal.
He is larger than the other two and has a black head and gray body with a
large black ring on the back. The female is not so handsome, being merely
spotted.</p>
<p>"The handsomest Seal is the Ribbon Seal. He is about the size of his
cousin the Harbor Seal. He is also called the Harlequin Seal. Sometimes
his coat is blackish-brown and sometimes yellowish-gray, but always he has
a band of yellowish-white, like a broad ribbon, from his throat around
over the top of his head, and another band which starts on his chest and
goes over his shoulder, curves down and finally goes around his body not
far above the hind flippers. Only the male is so marked. This Seal is
rather rare. Like most of the others it lives in the cold waters of the
Far North.</p>
<p>"The largest of the Seals is the Elephant Seal, once numerous, but killed
by man until now there are few members of this branch of the family. He is
a tremendous fellow and has a movable nose which hangs several inches
below his mouth.</p>
<p>"The queerest-looking member of the family is the Hooded Seal. Mr. Seal of
this branch of the family is rather large, and on top of his nose he
carries a large bag of skin which he can fill with air until he looks as
if he were wearing a queer hood or bonnet.</p>
<p>"The Seals complete the list of animals which live mostly in the water but
come out on land or ice at times. Now I will tell you of a true mammal,
warm-blooded, just as you are, and air-breathing, but which never comes on
land. This is the Manatee or Sea Cow. It lives in the warm waters of the
Sunny South, coming up from the sea in the big rivers. It is a very large
animal, sometimes growing as big as a medium-sized Walrus. The head is
round, somewhat like that of a Seal. The lips are thick and big, the upper
one split in the middle. The eyes are small. It has but two flippers, and
these are set in at the shoulders. Instead of hind flippers, such as the
Seals and Sea Lions have, the Manatee has a broad, flattened and rounded
tail which is used as a propeller, just as fish use their tails. The neck
is short and large. In the water the Manatee looks black. The skin is
almost hairless.</p>
<p>"This curious animal lives on water plants. Sometimes it will come close
to a river bank and with head and shoulders out of water feed on the
grasses which hang down from the bank. The babies are, of course, born in
the water, as the Manatee never comes on shore. Now I think this will end
to-day's lesson and the school."</p>
<p>Peter Rabbit hopped up excitedly. "You said that the largest animals in
the world live in the sea, and you haven't told us what they are," he
cried.</p>
<p>"True enough, Peter," replied Old Mother Nature pleasantly. "The largest
living animal is a Whale, a true mammal and not a fish at all, as some
people appear to think. There are several kinds of Whales, some of them
comparatively small and some the largest animals in the world, so large
that I cannot give you any idea of how big they are. Beside one of these,
the biggest Walrus would look like a baby. But the Whales do not belong
just to this country, so I think we will not include them.</p>
<p>"Now we will close school. I hope you have enjoyed learning as much as I
have enjoyed teaching, and I hope that what you have learned will be of
use to you as long as you live. The more knowledge you possess the better
fitted for your part in the work of the Great World you will be. Don't
forget that, and never miss a chance to learn."</p>
<p>And so ended Old Mother Nature's school in the Green Forest. One by one
her little pupils thanked her for all she had taught them, and then
started for home. Peter Rabbit was the last.</p>
<p>"I know ever and ever so much more than I did when I first came to you,
but I guess that after all I know very little of all there is to know,"
said he shyly, which shows that Peter really had learned a great deal.
Then he started for the dear Old Briar-patch, lipperty-lipperty-lip.</p>
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