The Common Murre is a sea bird that is also known by several other names. One of the most common synonyms for the Common Murre is the Guillemot. Other similar names for this bird include the Thin-billed Murre, Brunnich's Guillemot, and the Common Guillemot. These birds are found in coastal areas across the northern hemisphere, and are known for their distinctive black and white coloring. Common Murres are also known for their diving abilities, as they can swim underwater for up to two minutes at a time. These birds are an important part of many marine ecosystems, providing valuable food sources for a variety of predators.