agression amongst adult male grey seals, halichoerus grypus, at the start of pup season, horsey, norfolk, uk

aggression animal animals atlantic grey seal beach coast coastal colonies colony east anglia ecology environment europe fighting seals habitat halichoerus grypus horsey gap landmark landscape mammal marram grass nature norfolk north sea ocean pup pupping season resting scenery lion pig sealion seaside shoreline wild wildlife young