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Around half of the world's population of grey seals are found around Britain, therefore their protection is of international conservation importance. The scient...
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Around half of the world's population of grey seals are found around Britain, therefore their protection is of international conservation importance. The scientific name Halichoerus grypus means "Hook-nosed Sea Pig"! It is one of our largest mammals but is still vulnerable to disturbance during the pupping season. Grey seals come ashore to breed - the breeding site is known as a rookery or haul-out. The females (cows) arrive at the breeding sites first and will usually give birth a day later. As mammals they feed their pups on their milk for three weeks, keeping a close territory.When the males (bulls) arrive they compete for space nearest to the cows. The fittest bulls get the best positions for mating. If pups get disturbed they may move into a bull’s (or other cow’s) territory, where they could get injured or even killed.After the pup is weaned (approximately three weeks) the mother will leave. Over the next few weeks the pup will moult its soft white coat for a mottled waterproof one; it will not feed during this time and relies on the fat it built up by feeding (undisturbed) from its mother earlier on. When it gets hungry enough it will make its way to the sea where it will learn to feed itself
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