A common guillemot colony on the Farallon Islands, California. Duncan Wright/Wikipedia, CC BY-SA Tim Birkhead, University of Sheffield The common guillemot (known as the common murre in North America) breeds in both the Pacific and the Atlantic and is among the most abundant seabirds in the northern hemisphere. But like many other seabirds, its numbers … Continue reading Worst marine heatwave on record killed one million seabirds in North Pacific Ocean