Why scientists are counting seal pups in the Thames Estuary

Sixty years ago the Thames Estuary was regarded as "biologically dead" and largely devoid of wildlife.

BBC News

Last updated on 29 June 2018

Type: 
Media Watch
Country: 
United Kingdom
Region: 
Europe
Threats: 
Agriculture and hunting
Diseases
Habitat loss and degradation
Species: 
Halichoerus grypus
Phoca vitulina
Species group: 
Marine mammals
CMS tags: 
water pollution
conservation of habitat
vulnerable species