Lappet-faced Vulture (Torgos tracheliotus) Science Article 3 abstract The monitoring and ringing of Lappet-faced Vultures (LFV) in the Namib-Naukluft Park (NNP) started in 1991. Annually more areas were investigated until most of the known breeding areas were checked and the chicks ringed. Peter Bridgeford, Vultures Namibia Download article download full text (pdf)

Lappet-faced Vulture (Torgos tracheliotus) Science Article 2 abstract I have deposited in the aviaries of the Zoological Society of London at Regents Parka living specimen of the Northern Lappet-faced or Sociable ulture (Torgost racheliotusnubicus (synonym, Otogyps auricularis)) which has not previously been recordedin Asia to our knowledge. Eric Hardy, The AUK, vil. 64 Download article […]

Lappet-faced Vulture (Torgos tracheliotus) Science Article 1 abstract A PCR method was developed employing a single primer (GACA)4 to sex Black vultures (aegypius monachus), Lappet-faced vultures (Torgos tracheliotus), and Griffon vultures (Gyps fulvus). Using the (GACA)4 primer several PCR products were generated. M. WINK et al., Molecular Ecology, Vol. 7(6), p 779-782 Download article download […]

Lammergeier (Gypaetus barbatus) Science Article 1 abstract Aims: Aggressive interactions between the Bearded Vulture Gyp tus barbatus and the Common Raven Corvus corax are frequent in the Pyrenean nesting sectors shared by both species. The Bearded Vulture’s nesting sectors are vulnerable to kleptoparasitism (food is stored in a visible and predictable manner in nests, perching […]

Imperial Eagle (Aquila heliaca) Science Article 1 abstract Seit langerer Zeit widmen wir uns dem Studium der Greifvogel in der Ostslowakei. Dabei konnten wir in dreizehn aufeinanderfolgenden Beobachtungsjahren u.a. 65 Bruten des Schreiadlers und 28 des Kaiseradlers kontrollieren. Fur beide Arten liegen uber Gelegegro

Hook-billed Kite (Chondrohierax uncinatus) Science Article 1 abstract The Hook-billed Kite (Chondrohieraxu ncinatus),a neotropical, snail-eating raptor, exhibits extraordinary intraspecific variation in bill size, which is unrelated to sex and age and is largely independent of geographic origin. Bill size varies much more than overall body size and is bimodally distributed in many parts of the […]

Harpy Eagle (Harpia harpyja) Science Article 1 abstract I recorded a Harpy Eagle (Harpia harpyja) while conducting an environmental impact assessment with the Instituto de Historia Natural de Chiapas, Mexico, for construction of the highway from Sayula, Veracruz to Ocozocoautla, Chiapas. My sighting was made on 12 March 1991 about 17:00 h, at the Reserva […]

Harpy Eagle (Harpia harpyja) Science Article 3 abstract A male and female Harpy Eagle (Harpia harpyja), both reintroduced captive-bred subadults,were observed on Barro Colorado Island (BCI), Panama for 89 and 205 days, respectively, between June 1999 and August 2000. The male captured 25 individuals from nine different mammalian species and the female captured 46 individuals […]

Harpy Eagle (Harpia harpyja) Science Article 2 abstract One of the most interesting results of an expedition to northeastern Brazil, taken by the writer in conjunctionw ith Mr. Rodolphe M. de Schauenseed uring the late winter and spring of 1926, was the discovery of a nest of the Harpy Eagle (Thrasaetush arpyia), about three miles […]

Griffon (Gyps fulvus) Science Article 1 abstract Morning and evening counts undertaken in Griffon Vulture Gyps fulvus colonies and communal roosts revealed that their numbers fluctuated by season and time of the day. In the colonies the vultures built up high numbers during the pre-breeding and incubation periods (November-February) with maxima in December-January and dropped […]