Tag: Cepphus grylle

Monitoring Black Guillemot population and nesting success at Herschel Island, Yukon Territory ? 2005

Black Guillemot (Cepphus grylle) Science Article 7 abstract The Black Guillemot colony at Pauline Cove on Herschel Island is the only one in the Yukon Territory, and one of the few in the western Arctic. This colony has been monitored for population and nesting success since about 1984. The nearest Black Guillemot nesting colony to […]

The occurrence and behavior of non-breeding Horned Puffins at Black Guillemotcolonies in northern Alaska.

Black Guillemot (Cepphus grylle) Science Article 6 abstract The Black Guillemot (Cepphus grille) and Horned Puffin (Fratercula comicdata) are cavity nesting alcids that typically breed in talus. In Alaska both species breed in rock cavities as far north as Cape Lisburne (D. Roseneau, pers. comm.). No talus or rock cliffs are present north of Cape […]

Mercury in liver, eggs and feather of blackguillemot Cepphus grylle faeroeensis in theFaroe Islands

Black Guillemot (Cepphus grylle) Science Article 4 abstract During 1995-1997 a large number of black guillemots from an area near the southern part of Streymoy and Hestoy were sacrificed in connection with a large study of the birds’ diet and of pollutants load in the Faroe Islands. In recent years also black guillemot eggs havebeen […]

Reported decrease of PCB in black guillemot eggsduring the period 1999 to 2001

Black Guillemot (Cepphus grylle) Science Article 3 abstract A research done by the Food and Environmental Agency had shown a significant reduction of PCBin Black guillemot eggs during the period of 1999 to 2001. This brought up the question weatherthere is a reduction of PCB in the environment, or Black guillemot has changed diet. Twoapproaches […]

Colony attendance in a Black Guillemot colony inWest Greenland

Black Guillemot (Cepphus grylle) Science Article 5 abstract Colony attendance of Black Guillemots Cepphus grylle was studied at a colony on Skarveo in WestGreenland. Observations were conducted in the post hatching period by scan sampling birds in and near the colonyevery 30 minutes throughout five days. The rhythm of colony attendance varied diurnally, peaking in […]

Breeding Distribution and Numbers of Black Guillemots in Jones Sound, N.W.T.

Black Guillemot (Cepphus grylle) Science Article 2 abstract aerial surveys of Jones Sound, N.W.T., reveal a highly clumped distributoiof nb lack guillemotsi n the early spring and throughout thebreeding season. Black guillemots are uncommon throughout much of Jones Sound except at its mouth and in the western portion. By September,most guillemots have left the area. […]

Alaska Seabird Information Series BLACK GUILLEMOT Cepphus grylle.

Black Guillemot (Cepphus grylle) Science Article 1 abstract The Black Guillemot (Cepphus grylle) is a striking bird with almost entirely black breeding plumage, a bright, white patch on the upper wing and spotless, white underwings. Its plumage is set off with bright red legs and feet, a slender black bill, and a coral red mouth-lining. […]