Contradiction in conservation of island ecosystems: Plants, introduced herbivores and avian scavengers in the Canary Islands [PDF]
Introduction of alien herbivores in sensitive island systems has resulted in massive effects on vegetation cover, floristic richness and composition of communities; some species can be even totally extirpated by grazing pressure.
Donázar, José A. +4 more
core +2 more sources
Successfully releasing jackdaws, Corvus monedula: spatial dispersion and the fusion of social groups [PDF]
In der vorliegenden Studie untersuchten wir eine Auswilderung von in einer Voliere gehaltenen Dohlen (Corvus monedula), die in einer erfolgreichen Etablierung einer Wildkolonie mündete.
Schwab, Christine +2 more
core
L'avifaune de l'habitat fortifié Chalcolitique de Leceia (Oeiras, Portugal) [PDF]
As escavações conduzidas em Leceia por um de nós (J. L. C.), em continuidade desde 1983, permitiram a recolha de um copioso conjunto de artefactos e de ecofactos, cujo estudo se encontra em curso.
Cardoso, João Luís, Gourichon, L.
core
Social dynamics impact scolding behaviour in captive groups of common ravens (Corvus corax). [PDF]
Blum CR, Fitch WT, Bugnyar T.
europepmc +1 more source
No Evidence for Contagious Yawning in Juvenile Ravens (<i>Corvus corax</i>): An Observational Study. [PDF]
Gallup AC +4 more
europepmc +1 more source
The spatial and temporal exploitation of anthropogenic food sources by common ravens (Corvus corax) in the Alps. [PDF]
Jain V +5 more
europepmc +1 more source
Corvus corax subsp. canariensis Hartert and Kleinschmidt
Corvus corax canariensis Hartert and Kleinschmidt Corvus corax canariensis Hartert and Kleinschmidt, 1901: 45 (Palma). Now Corvus corax canariensis Hartert and Kleinschmidt, 1901. See Hartert, 1901a: 326; Hartert, 1919: 125–126; Vaurie, 1954b: 22–23; Cramp et al., 1994: 206–223; Dickinson, 2003: 514–515; Baker and Omland, 2006: 174–178; and dos Anjos ...
openaire +2 more sources
Early social environment affects attention to social cues in juvenile common ravens, <i>Corvus corax</i>. [PDF]
Gallego-Abenza M +2 more
europepmc +1 more source
"Corax contumax": Petronius and Aristophanes in "sat." 117 [PDF]
La función de Córax, uno de los personajes menores del "Satyricon", ha desconcertado desde siempre a la crítica, sobre todo debido al estado en que nos ha llegado el texto.
Carmignani, Marcos
core
Breeding raptors in Łagiewniki forest in 2009-2010 [PDF]
Three breeding species of raptors were observed in Łagiewnicki Forest in 2009-2010 (number of breeding pairs): Common Buzzard Buleo buteo (5-6 pairs), Goshawk Accipiter gentilis (5 pairs), Sparrowhawk A ccipiter nisus (6 - 8 pairs).
Janiszewski, Tomasz +2 more
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