A MAP showing the percentage distribution of the common guillemot, Uria aalge, having a white circle around the eye (bridled form), at various points around the coast of the British Isles, is ...

On the other hand, Common Guillemot chicks prefer a more dramatic exit. At just about 20 days old and with wings not yet fully developed, they take a courageous leap off towering cliff ledges, ...

However, between 2010 and 2023, three species had “stabilised”, while black-legged kittiwake, European shag and common guillemot populations increased in the sites surveyed.

During the past breeding season, the British Trust for Ornithology has organized a cooperative inquiry into the status of the bridled guillemot in the British Isles, and, although it is hoped to ...

However, they also show that between 2010 and 2023 three species had “stabilised”, while black-legged kittiwake, European shag and common guillemot populations increased in the sites surveyed.

The short-term trend shows a more positive picture for some seabird colonies, however, with black-legged kittiwake, European shag and common guillemot populations all increasing since 2013.

Common guillemot numbers had previously appeared to show a rise of 57%, but this latest survey indicates a decline of 25%.

Among the species illustrated are Fulmar Gannet Cormorant Shag Kittiwake Common Guillemot or Murre Brunnichs Guillemot Razorbill and Puffin Several other bird species as well as marine mammals are ...

However, between 2010 and 2023, three species had “stabilised”, while black-legged kittiwake, European shag and common guillemot populations increased in the sites surveyed.

However, they also show that between 2010 and 2023 three species had “stabilised”, while black-legged kittiwake, European shag and common guillemot populations increased in the sites surveyed.