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Article
M. João Cruz ; P. Catry ; R. Braz 2001UICN ? 109p dessins
Ouvrage
D. Leitao ; P. Catry ; H. Costa ; et al. | [S.l.] : Instituto da Conservaçao da Natureza ICN Lisboa | 1998Instituto da Conservacao da Natureza ICN Lisboa (PRT) 119p phot coul cartes
Article
W. Cresswell, Auteur ; M. Hughes, Auteur ; R. Mellanby, Auteur ; S. Bright, Auteur ; P. Catry, Auteur ; J. Chaves, Auteur ; J. Freile, Auteur ; A. Gabela, Auteur ; H. Martineau, Auteur ; R. Macleod, Auteur ; F. Mcphie, Auteur ; N. Anderson, Auteur ; S. Holt, Auteur ; S. Barabas, Auteur ; C. Chapel, Auteur ; T. Sanchez, AuteurThe montane cloud-forests of the north-central Andes and the montane grassland and transitional elfin forest of the central Andean paramo contain a high diversity of bird species including several restricted range and uncommon species. Little is[...]
Article
P. Catry, Auteur ; M. Lecoq, Auteur ; A. Araujo, Auteur ; G. Conway, Auteur ; M. Felgueiras, Auteur ; J. M. B. King, Auteur ; S. Rumsey, Auteur ; H. Salima, Auteur ; P. Tenreiro, AuteurDifferential migration is a widespread, but poorly understood. phenomenon in birds. In this paper, we present the first detailed Field study of differential migration in the Old World warbler (Sylviidae) family. We studied two chiffchaff Phyllos[...]
Article
Article
W. Cresswell, Auteur ; S. Yerokhov, Auteur ; N. Berezovikov, Auteur ; R. Mellanby, Auteur ; S. Bright, Auteur ; P. Catry, Auteur ; J. Chaves, Auteur ; J. Freile, Auteur ; A. Gretton, Auteur ; A. Zykin, Auteur ; R. McGregor, Auteur ; D. McLaughlin, AuteurDans Wildfowl (50 1999)Kazakstan is an important country for migratory birds passing from Siberia to the north and east to their wintering grounds in Africa, the Middle East and India. Kazakstan also has globally important breeding populations of White-headed Duck and[...]
Article
P. Catry, Auteur ; R. W. Furness, AuteurTerritorial or nest attendance by adult breeding seabirds is often essential to prevent egg or chick mortality. As a result, parent birds, when not engaged in foraging trips, should stay on their territories whenever there is a risk from leaving[...]
Article
P. Catry, Auteur ; N. Ratcliffe, Auteur ; R. W. Furness, AuteurWe investigated the effect of hatching date on chick body condition, chick survival, post-fledging survival and eventual breeding performance as an adult (laying date and clutch volume) of Great Skuas in Foula (Shetland). In 10 out of 16 years t[...]
Article
P. Catry, Auteur ; V. Encarnacao, Auteur ; A. Araujo, Auteur ; P. Fearon, Auteur ; A. Fearon, Auteur ; M. Armelin, Auteur ; P. Delaloye, AuteurLong-distance migrant passerines are well known to often display high levels of philopatry to breeding and wintering grounds. One could expect that similar selective pressures and similar navigation skills would result in their being faithful to[...]
Article
P. Catry, Auteur ; A. Araujo, Auteur ; C. Cruz, Auteur ; A. Pinheiro, Auteur ; M. Pocas, Auteur ; J. Nadum, Auteur ; M. Armelin, Auteur ; J. R. Pereira, AuteurThere is an increasing need for rapid habitat evaluations, in the tropics, for conservation purposes. Biodiversity is often assessed by studying relatively well known groups, such as birds. But even birds can be difficult to watch and identify i[...]
Article
P. Catry, Auteur ; A. Campos, Auteur ; V. Almada, Auteur ; W. Cresswell, AuteurBirds often show some form of social segregation during winter, both at large geographical scales (a consequence of differential migration) and at the regional or local level, when comparing different habitats or micro-habitats. However, our und[...]
Article
P. Catry, Auteur ; I. Catry, Auteur ; T. Catry, Auteur ; T. Martins, AuteurCurrent knowledge concerning between-year winter site fidelity in passerines suggests there might be important inter-specific and regional variations in recurrence rates (the proportion of birds recaptured in years subsequent to marking). Howeve[...]
