The grey seal (Halichoerus grypus) is a large seal of the family Phocidae, which are commonly referred to as "true seals" or "earless seals". The only species classified in the genus Halichoerus, it is found on both shores of the 詳細

This is a fairly large seal, with bulls in the eastern Atlantic populations reaching 1.95–2.3 m (6 ft 5 in – 7 ft 7 in) long and weighing 170–310 kg (370–680 lb); the cows are much smaller, … 詳細

The grey seal feeds on a wide variety of fish, mostly benthic or demersal species, taken at depths down to 70 m (230 ft) or more. 詳細

Grey seals are capital breeders; they forage to build up stored blubber, which is utilised when they are breeding and weaning their pups, as … 詳細

There are two recognized subspecies of this seal:
The type specimen of H. g. grypus (Zoological Museum of Copenhagen specimen ZMUC M11 … 詳細

In the United Kingdom and Ireland, the grey seal breeds in several colonies on and around the coasts. Notably large colonies are at Blakeney Point in Norfolk, Donna Nook in Lincolnshire, the Farne Islands off the Northumberland Coast (about 6,000 animals), 詳細

While it was originally understood that marine mammals communicate vocally, new research conducted by researchers at Monash University shows … 詳細