Category: Laridae

Avian Pathogenic Escherichia coli in Audouin gulls (Larus audouinii). Could they affectthe surviving of the bird colonies?

Audouins Gull (Ichthyaetus audouinii) Science Article 3 abstract A total of 39 E. coli strains isolated from cloacal swabs and unhatched eggs of Audouin’s gulls (Larus audouinii) living the Salento coast (Italy) were serotyped and molecular characterized for the presence of irp2, fyuA, tsh, papC, fimC, iucD, and eae genes described for Avian Pathogenic E. […]

Basal metabolic rate and thermal conductance in Arctic Tern chicks and the effect of heat increment of feeding on thermoregulatory expenses

Arctic Tern (Sterna paradisaea) Science Article 2 abstract Chick basal metabolic rate (BMRc) as oxygen consumption (VO2 in ml O2 g-1 h-1) of unfed individuals of Arctic Terns Sterna paradisaea during development (12-109 g) was best described by the parabolic equation VO2 = 1.25 + 0.061 m-0.00047m2, where m is body mass in g. Interspecific […]

Possible Winter Quarters of the Aleutian Tern?

Aleutian Tern (Onychoprion aleuticus) Science Article 3 abstract Recent observations of the Aleutian Tern (Sterna aleutica) in the coastal waters aroundHong Kong in spring and fall, and Singapore and the Indonesian islands of Karimun and Bintan between October and April indicate that at least part of the population of this species migrates through and winters […]

The probable Breeding of the Aleutian Tern in Southeastern Alaska

Aleutian Tern (Onychoprion aleuticus) Science Article 2 abstract A record in the May, 1920, number of THE CONDOR (page 111) of the probable breedingof the Aleutian Tern near Yakutat appears to rest on ‘sight’ identification only, andthe actions of Mr. Walker’s birds were so different from the usual habits of this speciesthat 1 am forced […]

Apparent River Otter Predation at an Aleutian Tern Colony

Aleutian Tern (Onychoprion aleuticus) Science Article 1 abstract Two dead aleutian Ternsms wee found dead along river otter trailsin a a colony. Although literature suggests the otter is commonly predating on colonies, the colonies prevail. D. C. Duffy, Colonial Waterbirds 18(1): 91-92, 1995 Download article download full text (pdf)

Black Skimmer (Rynchops niger)

[order] CHARADRIIFORMES | [family] Laridae | [latin] Rynchops niger | [UK] Black Skimmer | [FR] Bec-en-ciseaux noir | [DE] Amerikanischer Scherenschnabel | [ES] Rayador Americano | [NL] Amerikaanse Schaarbek Subspecies Monotypic species Genus The skimmers, all three species belonging to the genus Rynchops, are obviously closely related to the terns. Thet are easily separated from […]

Yellow-legged Gull (Larus cachinnans)

[order] CHARADRIIFORMES | [family] Laridae | [latin] Larus cachinnans | [UK] Yellow-legged Gull | [FR] | [DE] Gelbfussmove | [ES] | [NL] Geelpootmeeuw Subspecies Monotypic species Genus Gulls are a large group of about 50 species with represenatatives all over the globe and occupy a great diversity of habitats: sea coasts, lakes, rivers, cities and […]

Brown-headed Gull (Chroicocephalus brunnicephalus)

[order] CHARADRIIFORMES | [family] Laridae | [latin] Chroicocephalus brunnicephalus | [UK] Brown-headed Gull | [FR] Mouette du Tibet | [DE] Braunkopfmowe | [ES] Gaviota Centroasiatica | [NL] Subspecies Monotypic species Physical charateristics The bird is about 42 cm in length and both the sexes are alike. The under parts are pale grey. The legs and […]