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Hooded seals shed their lanugo fur in the womb and are born with a thin non lanugo fur coat, which is a less efficient thermoregulating fur coat compared to some to other seal species (e.g., leopard seals). [26]
Hooded seal. C. cristata (Erxleben, 1777) Central and western North Atlantic ocean (blue indicates breeding grounds) Size: Male: 250–270 cm (98–106 in) long; 200 ...
Grey seal males usually place themselves among a cluster of females whose members may change over time, [120] while males of some walrus populations guard female herds. [112] Male ringed, crabeater, spotted and hooded seals follow and defend nearby females and mate with them when they reach estrus. These may be lone females or small groups.
Exploited species included harp seals, hooded seals, Caspian seals, elephant seals, walruses and all species of fur seal. [100] The scale of seal harvesting decreased substantially after the 1960s, [101] after the Canadian government reduced the length of the hunting season and implemented measures to protect adult females. [102]
The earless seals, phocids, or true seals are one of the three main groups of mammals within the seal lineage, Pinnipedia. All true seals are members of the family Phocidae (/ ˈ f oʊ s ɪ d iː /). They are sometimes called crawling seals to distinguish them from the fur seals and sea lions of the family Otariidae.
Phocinae (known colloquially as "Northern seals") is a subfamily of Phocidae whose distribution is found in the seas surrounding the Holarctic, with the Baikal seal (Pusa sibirica) being the world's only freshwater species of pinniped. [1]
An eared seal, otariid, or otary is any member of the marine mammal family Otariidae, one of three groupings of pinnipeds. They comprise 15 extant species in seven genera (another species became extinct in the 1950s) and are commonly known either as sea lions or fur seals , distinct from true seals (phocids) and the walrus ( odobenids ).
Among phocid seals, there is some variation of how maternal and pup behaviour takes place during lactation. Variation is dependent on access to the water, risk of predation and access to food. There are two main strategies seen in seal breeding in ice habitats. The first strategy is observed in grey seals, hooded seals and harp seals. These ...