Razorbill Similar Species Comparison
Main SpeciesRazorbill
Breeding adult
Robust crow-sized seabird that is black above and white below. A thin white line marks its face and thick black bill during the breeding season.
© Christoph Moning / Macaulay LibraryFinnmark, April 08, 2011Nonbreeding adult/immature
Nonbreeding birds have a white throat and cheek that extends up behind the eye.
© Ryan Schain / Macaulay LibraryMassachusetts, December 16, 2011Nonbreeding adult/immature
Robust crow-sized seabird that rapidly flaps its narrow and pointed wings. Often seen flying in small groups.
© Ryan Schain / Macaulay LibraryMassachusetts, March 09, 2013Breeding
© Timothy Barksdale / Macaulay LibraryNewfoundland and Labrador, June 01, 1997Breeding adult
Breeds in colonies on rocky coastlines.
© Brian Sullivan / Macaulay LibraryNewfoundland and Labrador, May 30, 2010Breeding adult
Breeding birds have a thin white line on their thick black bill and another thin line extending from the bill to the eye.
© Ian Davies / Macaulay LibraryFinnmark, June 14, 2015Breeding
© Timothy Barksdale / Macaulay LibraryNewfoundland and Labrador, June 01, 1997Breeding
© Timothy Barksdale / Macaulay LibraryNewfoundland and Labrador, June 01, 1997Similar SpeciesCommon Murre
Breeding "Bridled" form
Common Murres are more slender, with thinner, more pointed bills than Razorbills, which have a thicker, blunt-tipped bill.
© Ian Davies / Macaulay LibraryFinnmark, June 14, 2015Similar SpeciesCommon Murre
Nonbreeding
Common Murres are slender birds with a thin, pointed bill and a short tail whereas Razorbills are rather chunky with a heavy, blunt-tipped bill, and a long tail that they often hold up.
© Oscar Johnson / Macaulay LibraryCalifornia, December 29, 2014Similar SpeciesThick-billed Murre
Breeding
Thick-billed Murres have a pointier bill than Razorbills which have a heavy, blunt-tipped bill.
© Sonja Ross / Macaulay LibraryChukotka Autonomous Okrug, August 18, 2015Similar SpeciesThick-billed Murre
Nonbreeding
Nonbreeding Thick-billed Murres have black behind the eye whereas nonbreeding Razorbills have a patch of white behind the eye.
© Lucas Bobay / Macaulay LibraryNorth Carolina, January 17, 2015Compare with Similar Species
Click on an image to compare
Species in This Family
Auks, Murres, and Puffins(Order: Charadriiformes, Family: Alcidae)
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