What adaptations do harp seals have?
With a thick layer of blubber under their skin, harp seals are able to hold their body heat more easily. This layer of fat also provides a means of buoyancy, stores energy, and gives the seals a shape that is better suited for the aquatic environment where they are often found.
Do harp seals migrate?
Named after the dark, harp-shaped patterns on the backs of adult seals, harp seals are widespread in the chilly waters of the North Atlantic and Arctic Oceans. They spend their summers far north, and then migrate south each winter to breed on the pack ice.
Where does a harp seal live?
About The Species. Harp seals live throughout the cold waters of the North Atlantic and Arctic Oceans. Three populations in the Barents Sea, East Coast of Greenland, and Northwest Atlantic Ocean are recognized based on geographic distribution as well as morphological, genetic, and behavioral differences.
How do harp seals get energy?
Blubber insulates the Harp seals core but not the flippers as much, instead the flippers rely on having circulatory adaptations to help prevent heat loss through their flippers. A thick coat of blubber insulates its body and provides energy when food is scarce or during fasting.
What do harp seals get eaten by?
Adult harp seals are eaten by killer whales and large sharks. Juveniles are eaten by polar bears and other terrestrial predators, including foxes and wolves.
Are harp seals going extinct?
Least Concern (Population increasing)
How long do seals live for?
How long can harp seals stay underwater?
Why do harp seals give birth on pack ice?
All harp seals must come up on land or ice to give birth, rear their young, and molt. … Pups weigh 11 kg (24 pounds) at birth, but they lack the thick layer of blubber present in adults. Instead, they are insulated by their thick fur and obtain energy from their mothers’ milk, which is rich in fat.
Are harp seals dangerous?
Dangers To A Harp Seal
A couple of common dangers to harp seals are oil spills, boat strikes and other creatures in the sea, such as orca whales and polar bears. Harp seals are mainly killed by humans, they are usually hunted, shot or clubbed as a sport.
Do harp seals eat penguins?
Fur seals often catch and eat penguins on the island. The incidents are the only time pinnipeds, the group that includes seals, fur seals and sea-lions, have been known to have sex with an animal from a different biological class, in this case a mammal trying to have sex with a bird.
How do harp seals defend themselves?
The ability to live in the water and on land is also part of their defense. When in the water, the streamlined body of the seal allows it to out maneuver predators and quickly jump on land to fully escape the water-bound predator.
Why do people kill seals?
Seals are killed primarily for their fur, which is used to produce fashion garments and other items. There is a small market for seal oil (both for industrial purposes and for human consumption) and seal penises have been sold in Asian markets as an aphrodisiac.
Can harp seals hear?
Seals can hear very well both above and below water. They can hear high pitched sounds well above the range of human hearing.