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Dives during the winter are also deeper and longer than those in the summer. It is known that the hooded seal is generally a solitary species, except during breeding and molting seasons. During these two periods, they tend to fast as well. The seals mass annually near the Denmark strait around July, at the time of their molting periods, to mate.
Baikal seals mate in the water towards the end of the pupping season. With a combination of delayed implantation and a nine-month gestation period, the Baikal seals' overall pregnancy is around 11 months. Pregnant females are the only Baikal seals to haul out during the winter. The males tend to stay in the water, under the ice, all winter.
Temperatures in the Caspian Sea range from -35 °C in the winter months to +40 °C in the summer, sitting at the southernmost limit for ice formation in winter with sub-tropical conditions for the rest of the year. [2] In winter, and cooler parts of the spring and autumn season, the seals populate the Northern Caspian.
In the late fall and winter, dive depth has been found to increase, particularly in the Denmark Strait, where the mean dive depth was found to be 141 m. [4] Lactating female harp seals spend about 80% of the time in the water and 20% of the time on the fast ice weaning or near their pups.
Blubber under the seal's skin helps to maintain body temperature. Females outlive males (30–35 years versus 20–25 years). Harbor seals stick to familiar resting spots or haulout sites, generally rocky areas (although ice, sand, and mud may also be used) where they are protected from adverse weather conditions and predation, near a foraging ...
Harbor seals will soon be spreading out to beaches and waterways up and down New Jersey’s coast. We need to protect and respect these winter visitors. The Jersey Shore's winter visitors ...
The Saimaa ringed seal is closely related to the Ladoga ringed seal, the populations likely became isolated from the Baltic ringed seal around the same time. The Saimaa ringed seal lives solely within Saimaa, a large freshwater lake in the regions of South Savo, South Karelia, and North Karelia in Finland. Current estimates place the size of ...
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