Harbour seals 'pupping earlier'
Wednesday, June 30, 2010 - 10:42
in Biology & Nature
Harbour seals give birth to pups 25 days earlier than 35 years ago as a result of changes to marine ecosystems, a study shows.
Harbour seals give birth to pups 25 days earlier than 35 years ago as a result of changes to marine ecosystems, a study shows.