Razorbill – Wikipedia, the free encyclopedia
The Razorbill, Alca torda, is a large auk, 38-43 cm in length, with a 60-69 cm wingspan. It is the only living member of the genus Alca. Adult birds are black on their upperparts and white on the breast and belly. The thick black bill has a blunt end. The tail is pointed and longer than that of a Murre.
en.wikipedia.org/wiki/Razorbill
Razorbill – Bird Information by the Scottish Seabird Centre
Razorbill. Alca torda . The razorbill is a medium-sized seabird. It is black above and white below. It has a thick black beak which is deep and blunt, unlike the thinner bill of …
www.seabird.org/birds-razorbill.asp
Razorbill – Alca torda – ARKive
Razorbill – Alca torda – ARKive … British Birds  > Razorbill … Wildscreen 2003-2008.  By using this …
www.arkive.org/razorbill/alca-torda
Razorbill (Alca torda)
Identification. The almost rectangular bill with two white lines, one vertical, one horizontal, makes the whole head of a Razorbill look chunkier than that of a Guillemot.
www.birdguides.com/species/species.asp?sp=063002
National Audubon Society – Waterbirds – Razorbill
Bird Conservation > Waterbird Conservation > Razorbill Alca torda. Family: ALCIDAE Order: Charadriiformes Spanish Common Name: Alca común French Common Name: Petit pingouin
web1.audubon.org/waterbirds/species.php?speciesCode=razorb
Birds of Iceland: Alca torda, razorbill
Information on razorbills, Alca torda, on Iceland with photo’s … Alca torda; like all auks razorbills are birds of seas and oceans. Their very characteristic heavy beaks with a …
www.iceland-nh.net/birds/data/Alca-torda/alca_torda.html
ADW: Alca torda: Information
… egg size has the same effect on wing-feather growth in the Razorbill as in other birds. … Foraging behavior and time allocation of chick-rearing Razorbill *Alca Torda* at …
animaldiversity.ummz.umich.edu/site/accounts/information/Alca_torda.html
The RSPB: Razorbill
The RSPB speaks out for birds and wildlife, tackling the problems that threaten … Razorbill Alca torda, in flight, RSPB Ramsey Island reserve – RSPB Images – Ben Hall (rspb-images …
www.rspb.org.uk/wildlife/birdguide/name/r/razorbill/index.asp
Razorbill – Alca torda – Information – ARKive
Information about the Razorbill (Alca torda) – ARKive … Seabirds, including the razorbill, were among the first bird species given protection by …
www.arkive.org/razorbill/alca-torda/info.html
All About Birds: Razorbill
Razorbill (Alca torda). In The Birds of North America, No. 635 (A. Poole and F. Gill, eds.). The Birds of North America, Inc., Philadelphia, PA.
www.birds.cornell.edu/AllAboutBirds/BirdGuide/Razorbill.html