Common seals in eastern England face distinct welfare pressures compared to grey seals, including habitat overlap with human recreation areas, phocine distemper virus outbreaks, and entanglement risks.
Common seal welfare at haul-out sites is acutely affected by recreational disturbance. Seals disturbed from sandbanks repeatedly by boats, kayaks, and swimmers expend energy in unnecessary swimming and experience stress responses associated with predation avoidance. Pups separated from nursing mothers during disturbance events miss critical milk meals and may become lost. PDV outbreaks cause severe respiratory illness and death — the 1988 epidemic caused welfare suffering on an enormous scale before affecting population viability. Coastal recreation management that maintains appropriate buffer zones around common seal haul-out sites, combined with public education about disturbance impacts, provides direct welfare protection for individual animals.