Harp seal phoca
WebWe investigated the validity and accuracy of age estimation in harp seals, Phoca grosra1~ndic.a~ using a sample of 155 known-age teeth from seals age 3 mo to 10 yr. … Phoca is a genus of the earless seals, within the family Phocidae, source of the French name for seal, 'phoque'. It now contains just two species, the common seal (or harbour seal) and the spotted seal (or largha seal). Several species formerly listed under this genus have been split into the genera Pusa, Pagophilus, and Histriophoca. Until recently, Phoca largha has been considered a subspecies of Phoca vitulina but now is considered its own species. For this reason, the fossil hi…
Harp seal phoca
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Web学名. Pagophilus groenlandicus. ( Erxleben, 1777 ) 和名. タテゴトアザラシ. 英名. Harp seal. 幼獣. タテゴトアザラシ （竪琴海豹、 Pagophilus groenlandicus ）は、 哺乳綱 食肉目 アザラシ科 タテゴトアザラシ属 に分類されるアザラシ。. WebJan 12, 1991 · The harp seal (Phoca groenlandica) population of the Barents and White seas has probably decreased from about one million individuals to half this size the last few years. Energy requirements of the population have been estimated by use of the simulation model SEAERG.
WebFeb 19, 1982 · The harp seal's life-cycle is marked by a progression from on-ice birth to in-water mating and subsequent on-ice molt. An extensive migration follows, taking these … WebJun 1, 1987 · Harp seals, Phoca groenlandica, are gregarious pack-ice breeders. Females in the Northwest Atlan- tic congregate in large whelping 'patches' in late February and early March, to give birth and nurse their single offspring.
WebThe ice-breeding harp seal, found in waters of the Arctic and far north Atlantic Ocean, obtains its name from the horseshoe or harp-shaped pattern on the back and sides of the adults of the species. The species has three distinct populations. WebDec 1, 2000 · Consumption of prey by harp (Phoca groenlandica), hooded (Cystophora cristata), grey (Halichoerus grypus), and harbour (Phoca vitulina) seals in Atlantic Canada was estimated for the period 1990–96 by synthesizing and integrating information on individual energy requirements, population size, distribution and diet composition.
WebHarp seal mothers lost an average of 3.1 kg per day during lactation which was composed of 37% water, 50% fat, 11% protein and 2% ash. Mothers spent half of their time during the …
WebThe African golden cat (Caracal aurata) is a wild cat endemic to the rainforests of West and Central Africa.It is threatened due to deforestation and bushmeat hunting and listed as Vulnerable on the IUCN Red List. It is a close relative of both the caracal and the serval. Previously, it was placed in the genus Profelis. Its body size ranges from 61 to 101 cm … broxbourne waste collection datesWeb灰海豹（学名：Halichoerus grypus）是海豹科中的一个主要物种，主要分布于北大西洋一带的海岸。它们是海豹科中的一种大型海豹，亦是灰海豹属（Halichoerus）中的唯一成员。它们亦有另一个名称——大西洋灰海豹。 evine military watchesWebNov 1, 2004 · Harp seals aggregate in large colonies on pack ice during the whelping season. During the 11-day lactation period, females alternate between periods at sea … evinemadi claire handbagsWebApr 20, 2024 · Harp seals are about 5 to 6 feet long, weigh about 260 to 300 pounds, and have a robust body with a small, flat head. They have a … evine nash handbagsWebFeb 15, 2011 · We examined blubber distribution in 50 mature harp seals (Phoca groenlandica) from the St. Lawrence River estuary, Canada, between December 1988 and April 1989. Blubber was thickest and most... broxburn athletic twitterWebHarp seal mothers lost an average of 3.1 kg per day during lactation which was composed of 37% water, 50% fat, 11% protein and 2% ash. Mothers spent half of their time during the lactation period actively diving and only one-third of their time on the surface of the ice. broxburn academy phone numberWebApr 13, 2024 · In the mid-NA, Greenland killer whale diets included mainly seals (total seal: 66% ±5) and a lower contribution of cetaceans (total cetacean: 13% ±2) and fish (20% ±3). For Greenland killer whales, mackerel was the most significant source of fish, and half of the sampled individuals had a contribution of mackerel above ~20% (Table S3 ). broxburn academy twitter