Guillemots, black and white birds each measuring about a foot tall, cram together on Skomer Island to starve off predators and protect their eggs, of which each reproducing bird lays just one each ...

A Wageningen Marine Research study shows that razorbills and guillemots on the North Sea avoid wind parks in their flight path. The study uses a new ...

More than half of Alaska's breeding Guillemots were lost after a marine heatwave between 2014 and 2016, with no evidence of ...

This story appears in the November 2013 issue of National Geographic magazine. Bird cries seem to claw at the bright summer sky. The birds themselves—puffins, gannets, gulls, guillemots—whirl ...