Walrus

Walrus

Walrus is mighty marine mammals . It can kill a polar bear. It has 1 meter long teethes . It eats arctic seal . They are slow on land but fast in water. It also has enemies like polar bear and killer whale. It is weigh as 3000 pounds.

Etymology

The species name rosmarus is Scandinavian. The Norwegian manuscript Konungsskuggsja, thought to date from around AD 1240, refers to the walrus as "rosmhvalr" in Iceland and "rostungr" in Greenland (walruses were by now extinct in Iceland and Norway, while the word evolved on in Greenland). Several place names in Iceland, Greenland and Norway may originate from walrus sites: Hvalfjord, Hvallatrar and Hvalsnes to name some, all being typical walrus breeding grounds.

Taxonomy and evolution

Two subspecies of walrus are widely recognized: the Atlantic walrus, O. r. rosmarus (Linnaeus, 1758) and the Pacific walrus,O. r. divergens (Illiger, 1815). Fixed genetic differences between the Atlantic and Pacific subspecies indicate very restricted gene flow, but relatively recent separation, estimated at 500,000 and 785,000 years ago.

Anatomy

While some outsized Pacific males can weigh as much as 2,000 kg (4,400 lb), most weigh between 800 and 1,700 kg (1,800 and 3,700 lb). An occasional male of the Pacific subspecies far exceeds normal dimensions. In 1909, a walrus hide weighing 500 kg (1,100 lb) was collected from an enormous bull in Franz Josef Land, while in August 1910, Jack Woodson shot a 4.9 m (16 ft) long walrus, harvesting its 450 kg (1,000 lb) hide.

PREY AND ENEMIES

SAVE ANIMALS

—It's super-easy to help animals, no matter how old you are. Check out how Save Animals to get a jump-start on making a huge difference in the lives of animal everywhere: Animals are alive for their own reasons, not to entertain us. Animals in movies, circuses, and zoos are denied everything that is natural and important to them. They will never be allowed to hang out with their families, graze, or do anything that they would do in the wild. Refuse to support this cruelty by never going to a zoo, marine park, or circus that uses animals. If your class is planning on dissecting any animal, ask your teacher for a humane alternative assignment, such as using a computer program to perform a virtual dissection. An animal will be saved, and you will actually learn and remember way more! Check out more info on how to get a dissection alternative at your school.

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Stingray

Stingray 

Stingray  is a mollusk fish . It is very dangerous . It has a poisonous barb , it can kill a human beings. It eats fishes and have enemy like orcas.

Behavior

Stingrays feed primarily on molluscs, crustaceans, and occasionally on small fish. Some stingrays' mouths contain two powerful, shell-crushing plates, while other species only have sucking mouthparts. Stingrays settle on the bottom while feeding, often leaving only their eyes and tail visible.Coral reefs are favorite feeding grounds and are usually shared with sharks during high tide.

Stingray injuries

Stingrays do not aggressively attack humans, though stings do normally occur if a ray is accidentally stepped on. To avoid stepping on a stingray in shallow water, the water should be waded through with a shuffle.Alternatively, before wading, stones can be thrown into the water to scare stingrays away.

Ecotourism

Dasyatids are not normally visible to swimmers, but divers and snorkelers may find them in shallow, sandy waters, more so when the water is warm. In the Cayman Islands several dive sites called Stingray City, Grand Cayman, allow divers and snorkelers to swim with large southern stingrays (D. americana) and feed them by hand. A "Stingray City" in the sea surrounding the Caribbean island of Antigua consists of a large, shallow reserve where the rays live, and snorkeling is possible, since the rays are used to the presence of humans.

PREY AND ENEMIES

prey

enemies

SAVE ANIMALS

—It's super-easy to help animals, no matter how old you are. Check out how Save Animals to get a jump-start on making a huge difference in the lives of animal everywhere: Animals are alive for their own reasons, not to entertain us. Animals in movies, circuses, and zoos are denied everything that is natural and important to them. They will never be allowed to hang out with their families, graze, or do anything that they would do in the wild. Refuse to support this cruelty by never going to a zoo, marine park, or circus that uses animals. If your class is planning on dissecting any animal, ask your teacher for a humane alternative assignment, such as using a computer program to perform a virtual dissection. An animal will be saved, and you will actually learn and remember way more! Check out more info on how to get a dissection alternative at your school.

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African Fish Eagle

African Fish Eagle

African Fish Eagle lives in Africa and catches fish from the water from his talons and eat them fast so no can stole his prey. It can grow 2.4 meters long.

Taxonomy

The African Fish Eagle's closest relative appears to be the critically endangered Madagascar Fish Eagle (H. vociferoides). Like all sea eagle species pairs, this one consists of a white-headed species (the African Fish Eagle) and a tan-headed one. These are an ancient lineage of sea eagles, and as such have dark talons, beaks, and eyes.

Location

Diet

Like other sea eagles, the African Fish Eagle has structures on its toes called spiricules that allows it to grasp fish and other slippery prey. The Osprey, a winter visitor to Africa, also has this adaptation. Should the African Fish Eagle catch a fish over 1.8 kg (4 pounds) it will be too heavy to allow the eagle to get lift, so it will instead drag the fish across the surface of the water until it reaches the shore. If it catches a fish that is too heavy to even allow the eagle to sustain flight, it will drop into the water and paddle to the nearest shore with its wings.

PREY AND ENEMIES

PREY

ENEMIES

SAVE ANIMALS

—It's super-easy to help animals, no matter how old you are. Check out how Save Animals to get a jump-start on making a huge difference in the lives of animal everywhere: Animals are alive for their own reasons, not to entertain us. Animals in movies, circuses, and zoos are denied everything that is natural and important to them. They will never be allowed to hang out with their families, graze, or do anything that they would do in the wild. Refuse to support this cruelty by never going to a zoo, marine park, or circus that uses animals. If your class is planning on dissecting any animal, ask your teacher for a humane alternative assignment, such as using a computer program to perform a virtual dissection. An animal will be saved, and you will actually learn and remember way more! Check out more info on how to get a dissection alternative at your school.

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—THANK YOU