They are often seen with other larger The life history traits of the razorbill are similar to that of the Individuals only breed at 3–5 years of age. Razorbills and great auks are part of the tribe Alcini, which also includes the common murre or common guillemot (Uria aalge), the thick-billed murre (Uria lomvia) and the dovekie (Alle alle).
The majority of their feeding occurs at a depth of 25 m (82 ft) but they have the ability to dive up to 120 m (390 ft) below the surface.When feeding their young, they generally deliver small loads.
The egg is an Razorbills dive deep into the sea using their semi-folded wings and their streamlined bodies to propel themselves toward their prey. While diving, they rarely stay in groups, but rather spread out to feed.
Razorbills thrive in water surface temperature below 15 °C. Alfred A. Knopf, New York, NY, USA.The Cornell Lab will send you updates about birds, birding, and opportunities to help bird conservation. Washington, DC, USA.Lavers, Jennifer, J. It dives from the surface of the water and can reach depths of up to 60 feet to reach its prey.
Approximately half of the breeding pairs occur in Iceland. A thin white line also extends from the eyes to the end of the bill. Its head is darker than that of a Their mating system is female-enforced monogamy; the razorbill pairs for life. (2014). Mark Hipfner and Gilles Chapdelaine. Diet The razorbill feeds mostly on fish, shrimp and squid.
It nests on northern islands and coasts, often in the same colonies as murres; similar to the murres, it has a longer tail, often cocked up above the water when swimming.
Razorbill Identification, All About Birds, Cornell Lab of Ornithology The North American Waterbird Conservation Plan estimates a continental breeding population of 76,000 birds, rates the species a 14 out of 20 on the Continental Concern Score, and lists it as a Species of Moderate Concern. It consists generally of mid water schooling fish such as The adult razorbill has several predators which include: In the early 20th century, razorbills were harvested for eggs, meat and feathers. ... Natural habitats: Marine and intertidal. Habitat Except for during breeding season, the razorbill lives offshore in open waters. Waterbird conservation for the Americas: The North American waterbird conservation plan, version 1. US Department of Interior, Washington, DC, USA.Sibley, D. A. Its close relative, the great auk, became extinct in the mid-19th century. The razorbill is the sole species in the genus Alca. They keep their feet spread.
It has a thick black beak which is deep and blunt. As pairs grow older they will occasionally skip a year of breeding. Life Cycle The razorbill nests in colonies on cliffs or islands among the boulders and rocks.
This greatly decreased the global population. IDENTIFICATION_INFORMATION Citation: Citation_Information: Originator: Arnold Banner Publication_Date: 20011204 Title: Razorbill Habitat in the Gulf of Maine (razorbillhab) Edition: Geospatial_Data_Presentation_Form: Map Publication_Information: Publication_Place: Falmouth, ME Publisher: U.S.
Close. In winter it lives in flocks well offshore. (2014).
2001). Razorbill populations are currently thought to be stable or increasing throughout major parts of the species' global range. Species Name: Razorbill Scientific Name: Alca torda Habitat: Cliffs in summer otherwise at sea Legal Status: Berne Convention Annex III Irish Amber list Possible Designation: Refuge for Fauna
Secondly, large groups will swim in a line weaving across each other in the same direction. Placed in open spaces between boulders, in cracks in rocks, caves, or on narrow cliff ledges.
This agile bird, which is capable of both flight and diving, has a predominantly aquatic lifestyle and only comes to land in order to breed.
The razorbill is a medium-sized seabird. (2009). Nests in colonies.Kushlan, J. Both terms refer to this species. The genus name Alca is from Norwegian Alke, and torda is from törd a Gotland Swedish dialect word. Nest site choice is very important for these birds to ensure protection of young from predators. In 1917, they were finally protected by the “Migratory Bird Treaty Act” which reduced hunting.While the razorbill is the only living species, the genus A mating pair will court several times during breeding periods to strengthen their bond.Throughout the pre-laying period razorbills will socialize in large numbers.
Find out more. Shallow bowl of pebbles, vegetation, feathers, bones, and shells. The Sibley Guide to Birds, second edition.
Conservation.
It is In 1918, the razorbill was protected in the United States by the There are two subspecies of razorbill recognized by the The razorbill has white belly and a black head, neck, back and feet during the breeding season.
Large groups will dive and swim together in circles repeatedly and all rise up to the surface, heads first and bills open. It is black above and white below. This stocky, thick-billed auk is found only in the North Atlantic. A., M. J. Steinkamp, K. C. Parsons, J. Capp, M. A. Cruz, M. Coulter, I. Davidson, L. Dickson, N. Edelson, R. Elliott, R. M. Erwin, S. Hatch, S. Kress, R. Milko, S. Miller, K. Mills, R. Paul, R. Phillips, J. E. Saliva, W. Sydeman, J. Trapp, J. Wheeler and K. Wohl (2002). Unlike The mating pair will often reuse the same site every year.Females lay a single egg per year, usually from late April to May. The State of the Birds 2014 Report. Razorbills are primarily black with a white underside. Search.
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