Table of Contents
Is a walrus a winter animal?
Atlantic walruses inhabit coastal areas from northeastern Canada to Greenland, while Pacific walruses inhabit the northern seas off Russia and Alaska, migrating seasonally from their southern range in the Bering Sea—where they are found on the pack ice in winter—to the Chukchi Sea. Female Pacific walruses give birth to …
How long do Pacific walrus live?
approximately 40 years
LIFE CYCLE: The maximum lifespan of a walrus is approximately 40 years. FEEDING: Walruses eat clams, crabs, shrimp, soft corals, sea cucumbers, and various other mollusks. They use their extremely sensitive “whiskers” to identify food.
How are walruses born?
Calves are usually born on the ice. A female generally gives birth to a single calf at a time. Twins are rare, although they have been reported.
What climate do walruses live in?
Habitat. Most walruses live where the air temperature is about -15° to +5°C (5° – 41°F). Walruses are generally found where the water is no more than 80 m (262 ft.) deep.
Where are walrus native?
Walruses live in Arctic and sub-Arctic regions of the world near the North Pole. They can be found in the Pacific Ocean, Atlantic Ocean, and Arctic Ocean. 3. Both male and female walruses have large tusks that clearly distinguish them from other marine mammals.
Do walrus live in the Arctic or Antarctic?
Where does the Pacific walrus live in the world?
Pacific walrus, the scientific name Odobenus roasmarus divergens dwells primarily in Arctic areas of the world, in the Bering Sea. In the heat summer months, it may travel so far as the Beaufort Sea and the East Siberian Sea.
How old does a Pacific walrus have to be to become fertile?
Males tend to become fertile at 5-7 years of age but are likely unable to compete for mates until they reach full physical maturity at approximately 15 years of age. Pacific walrus breed in the winter between December and March. After fertilization the ovum becomes a blastocyst and remains in a state of suspended development for 3-4 months.
Where are walruses found in the Bering Sea?
Pacific Walrus. The Pacific walrus is a subspecies of walrus (Odobenus rosmarus) found in the Bering, Chukchi, Laptev and East Siberian Seas. The reliance of walruses on sea ice for resting during the summer foraging period makes their possible vulnerablity to changes in climate and the associated loss of sea ice a matter of concern. Walrus on ice.
When do walruses go into estrus in the Pacific?
Non-pregnant females may go into estrus some time between December and June and most ovulate in February. In the Pacific, female herds meet male herds as they move south into the central and south Bering Sea in January. Estrous females gather in herds separate from pregnant females and are attended by males displaying nearby in the water.