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

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/Alca_torda

Alca torda – Hutchinson encyclopedia article about Alca torda
razorbill. North Atlantic sea bird Alca torda of the auk family, order Charadriiformes, which breeds on cliffs and migrates south in winter. It is about 40 cm/16 in long, has a …
encyclopedia.farlex.com/Alca+torda

Razorbill – Alca torda – ARKive
Mammals; Birds; Reptiles; Amphibians; Fish; Invertebrates … Alca torda) … Wildscreen 2003-2008.  By using this website you …
www.arkive.org/razorbill/alca-torda

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

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

The RSPB: Razorbill
The RSPB speaks out for birds and wildlife, tackling the problems that threaten our … Razorbill Alca torda, in flight, RSPB Ramsey Island reserve – RSPB Images – Ben Hall (rspb …
www.rspb.org.uk/wildlife/birdguide/name/r/razorbill/index.asp

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

ITIS Standard Report Page: Alca torda
… Washington 99362-0999 : Reference for: Alca torda : Expert: Richard C. Banks : Notes: Chief, Bird Section, U.S.G.S. – B.R.D. – P.W.R.C. Reference for: Alca torda
www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=176971

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