Search by tag: wildlife population

Declining harbour seal populations

Populations of harbour seals in Orkney and Shetland have suffered an as yet unexplained decline of about 40% over the past five years, according to new research carried out by the Sea Mammal Research Unit, University of St Andrews.

Looking for Leviathans

Ever wondered how scientists estimate the number of whales and other deep sea life, or the reality behind stories of sea monsters?

Polar populations

CAPTION: One of the polar bears spotted by Tiago during his trip. CREDIT: Tiago Marques.