A baby seal is born with a coat of white fur designed to absorb heat to keep it warm as it develops blubber. At the pup’s fourth week of life, it is weaned by its mother. The mother seal forages for small fish to give to the pup but doesn’t eat anything herself. A grey ...
根据第一段最后一句”The baby is so young that its fur is still yellow.“可知灰海豹宝宝太小了,毛还是黄色的。故答案为A。2.事实细节题。根据第二段第一句”Around 40 per cent of the world's grey seals breed(繁殖)around Britain“可知全世界大约40%的灰海豹在英国繁殖。故答案为D。3.事实细节题...
Grey seal pups remain on land for a few weeks after they are weaned by their mothers. The white fur is lost then and replaced by a dappled grey coat. During this period, the seals eat no fish or hay, but their urine will serve to fertilize the grass. Weaker pups die on land (hold...
The head of a harp seal poking up while it lays on white snow. The wild animal has a soft light grey coat of fur long flippers with big claws. The seal has dark eyes long whiskers and small nose. ,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包
Young Gray Seal resting on a beach near the North Sea. creativeartmotion Grey Suits Pressmaster Grey Paint RuslanL Grey Bees CoolVideo Grey Heron Pro-Stock Grey Swan ArtlookStudio Grey Clouds ModeonStock Grey Baboon Christian_Fletcher Grey Mountains vagoart Grey Smoke Against the Gray Clouds Sto...
Little evidence of inbreeding depression for birth mass, survival and growth in Antarctic fur seal pups Article Open access 01 June 2024 Differences between mates at the TLR1Lb locus are associated with lower reproductive success in a long-lived seabird Article Open access 30 December 2024 ...