Titre : | Ardea 96(2) - FAL 2008 |
Type de document : | Bulletin |
Paru le : | 00/00/0000 |
Dépouillements
Article
Jean-Marc PAILLISSON, Auteur ;
Franck LATRAUBE, Auteur ;
Sebastien Reeber, Auteur
The growth of Whiskered Tern Chlidonias hybrida chicks was investigated in Lake Grand-Lieu, western France. Body mass, tarsus, culmen and wing lengths of 33 chicks from 19 nests held in enclosures were measured at intervals of 2-3 days during th[...]
Article
Roine Strandberg, Auteur ;
Raymond H. G. Klaassen, Auteur ;
Mikael Hake, Auteur ;
Patrik Olofsson, Auteur ;
Kasper Thorup, Auteur ;
Thomas Alerstam, Auteur
We tracked three juvenile and 14 adult Marsh Harriers Circus aeruginosus from southern Sweden via satellite to investigate migration strategies. Four individuals were tracked for at least two years. All three juveniles and four of the adults mad[...]
Article
Marion Nicolaus, Auteur ;
Karen M. Bouwman, Auteur ;
Niels J. Dingemanse, Auteur
We describe the use of subcutaneous passive integrated transponder (PIT) tags in nestling and adult Great Tits Parus major. We investigated whether subcutaneous PIT tags affected fledging success, winter condition, survival and/or recruitment. W[...]
Article
Mark C. Mainwaring, Auteur ;
Ian R. Hartley, Auteur
Nest building requires parental investment and we should expect to find trade-offs between building and other behaviours or demands. For example, species breeding in temperate zones face the seasonal shift from spring to summer and might alter t[...]
Article
Guillermo Lopez, Auteur ;
Jordi Figuerola, Auteur ;
Ramon Soriguer, Auteur
Sexual selection may play an important role in the evolution of carotenoid-based signals. According to the parasite-mediated sexual selection hypothesis, organism health, parasite resistance and the expression of ornaments are linked. While some[...]
Article
Maja Roodbergen, Auteur ;
Chris Klok, Auteur
To get a better understanding of the current population decline of Black-tailed Godwits in The Netherlands, we determined reproductive parameters in two Dutch breeding populations over the period 2002-2005 and investigated the relationship betwe[...]
Article
Maja Roodbergen, Auteur ;
Chris Klok, Auteur ;
Hans Schekkerman, Auteur
The Black-tailed Godwit Limosa limosa is a characteristic breeding wader of wet grasslands in The Netherlands which has suffered a strong population decline since the 1960s. Low breeding success has been implicated as the main driver of this dec[...]
Article
Niall H. K. Burton, Auteur ;
Michael J. S. Armitage, Auteur
The ability of animals to survive habitat loss is likely to be dependent not only on the proximity of alternative habitat but also on the ability of individuals to relocate. Here, we examine influences on the settlement behaviour of Redshank Tri[...]
Article
Beat Naef-Daenzer, Auteur ;
Martin U. Grueebler, Auteur
The timing of breeding and the chicks' fledging condition are major fitness-relevant traits in the Great Tit Parus major. Yet, the proximate mechanisms relating these traits to differential survival and recruitment are largely unknown. We analys[...]
Article
Antoni Margalida, Auteur ;
Santi Mañosa, Auteur ;
Luis Mariano Gonzalez, Auteur ;
Enric Ortega, Auteur ;
Roberto Sanchez, Auteur ;
Javier Orial, Auteur
We studied annual and geographical variation in the proportion of breeding non-adult (<4.5 years old) Spanish Imperial Eagles Aquila adalberti in relation to the species' recent demographic recovery The proportion of non-adult breeders in the po[...]
Article
Ondřej Sedláček, Auteur ;
Roman Fuchs, Auteur
We investigated breeding patch fidelity and between-year territory movements in relation to breeding success and habitat characteristics in a colour-ringed urban population of the Common Redstart Phoenicurus phoenicurus. In 1996-2004, Ill marked[...]
Article
Dimitri Giunchi, Auteur ;
Chiara Caccamo, Auteur ;
Enrica Pollonara, Auteur
The timing, duration and pattern of the poorly documented wing moult in the Eurasian Stone-curlew Burhinus oedicnemus were described and related to the breeding cycle. Between 1998 and 2007, 141 birds were trapped in the Taro River Regional Park[...]
Article
Jolyon Troscianko, Auteur ;
Lucas A. Bluff, Auteur ;
Christian Rutz, Auteur
We report an observation of a wild New Caledonian Crow Corvus moneduloides manufacturing two tools from dry grass stems, and using them to extract lizards from the crevices of a fencepost. We recovered one of the tools and were able to examine t[...]
Article
Eric W. M. Stienen, Auteur ;
Allix Brenninkmeijer, Auteur ;
Marcel Klaassen, Auteur
Gull-billed Terns Gelochelidon nilotica wintering in Guinea Bissau mainly fed on fiddler crabs Uca tangeri and were occasionally seen feeding on fish and locusts. As fiddler crabs have a low energy content, terns need a large gross intake to mee[...]