Linnet (Carduelis cannabina) Science Article 2 abstract Single burned areas contained 0 to 15 open-habitat species (mean = 7.6), and in all the areas combined there were 22 species, including 17 with an unfavourable conservation status in Europe. The most frequent were Carduelis cannabina, Lullula arborea, Alectoris rufa, Oenanthe hispanica and Emberiza cia, but characteristic […]
EARLY BREEDING BEHAVIOR OF LINEATED WOODPECKERS
Lineated Woodpecker (Dryocopus lineatus) Science Article 1 abstract Lineated Woodpeckers (Dryocopus lineatus), widely distributed in Central and South America, resemble Pileated Woodpeckers (D. piZeatus) in many aspects of their breeding behavior. A purpose of the present study was to observe the courtship and related behavior of the neotropical species within this larger relationship (Mayr and […]
Snail Kite Kleptoparasitism of Limpkins
Limpkin (Aramus guarauna) Science Article 1 abstract Kleptoparasitism is defined as the stealing of food from an individual by another individual (Rothschild and Clay 1952). Interspecific kleptoparasitism occurs in many animal groups but is particularly widespread among birds, especially when individuals of different species regularly congregate at feeding areas (Brockmana nd Barnard 1979). BRUCE W. […]
Notas acerca del forrajeo de Aramus guarauna (Avis: Aramidae) en un estero de aguas salobres
Limpkin (Aramus guarauna) Science Article 2 abstract Some aspects regarding the feeding behaviour of the limpkin (Aramus guarauna) are analyzed. Scientific literature point out that this species mainly feeds on Pomacea spp. (Mollusca: Gastropoda: Ampullariidae). The authors found it feeding with statistical significance preference (G= 17.79, p < 0.01) on Aplexa impluviata laeta (Gastropoda: Basommatophora: […]
International Single Species Action Planfor the Conservation of the Light-bellied Brent Goose(East Canadian High Arctic population)(Branta bernicla hrota)
Light-bellied Brent Goose (Branta bernicla) Science Article 1 abstract The East Canadian High Arctic (ECHA) Light-bellied Brent Goose Branta bernicla hrota breedsin Canada’s eastern Queen Elizabeth Islands with the great majority wintering on the coastline of theisland of Ireland and smaller numbers on the Channel Islands and the northern coasts of France andSpain. It is […]
MIGRANT LEVANT SPARROWHAWKS (ACCIPITER BREVIPES) AT ELAT, ISRaeL: MEASUREMENTS AND TIMING
Levant Sparrowhawk (Accipiter brevipes) Science Article 2 abstract We banded 218 migrating Levant Sparrowhawks (Acdpiter brevipes) in the course of a raptorbanding project in Elat, Israel during the spring of 1996. To our knowledge, this is the largest sample examined in a single season. WILLIAM S. CLARK and Reuven Yosef, j. Raptor Res.3 1 (4):317-320 […]
BIOMETRIC DIFFERENCES BETWEEN AGE AND SEX CLASSESOF THE LEVANT SPARROWHAWK ACCIPITER BREVIPES ONMIGRATION AT EILAT, ISRaeL
Levant Sparrowhawk (Accipiter brevipes) Science Article 1 abstract The Levant sparrowhawk (Accipiter brevipes) is a typical raptor with reversedsexual size dimorphism wherein the female is larger than the male. Here, wepresent the factors contributing to biometric differences between the age andsex classes. REUVEN YOSEF, AND LORENZO FORNASARI, ISRaeL JOURNAL OF ZOOLOGY, Vol. 46, 2000, pp. […]
Observations on Migratory Turkey Vultures and Lesser Yellow-headed Vultures in Northern Colombia
Lesser Yellow-headed Vulture (Cathartes burrovianus) Science Article 1 abstract Turkey Vultures (Cathartes aura) breed from southern Canada to Tierra del Fuego, while Lesser Yellowheaded Vultures (Cathartes burrovianus) occur from M xico through Central America to northern Argentina and Uruguay (Meyer de Schauensee 1966).It has long been known that Turkey Vultures breeding in the northern parts […]
Lesser whitethroats Sylvia curruca under time constraint do not interrupt moult
Lesser Whitethroat (Sylvia curruca) Science Article 1 abstract Lesser whitethroats Sylvia curruca under time constraint do not interrupt moult Hall, K. S. S., AVIAN SCIENCE, 2002, VOL 2; PART 1, pages 33-38 Download article download full text (pdf)
Lesser whitethroats Sylvia curruca under time constraint do not interrupt moult
Lesser Whitethroat (Sylvia curruca) Science Article 1 abstract Lesser whitethroats Sylvia curruca under time constraint do not interrupt moult Hall, K. S. S., AVIAN SCIENCE, 2002, VOL 2; PART 1, pages 33-38 Download article download full text (pdf)
