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Article
L. A. R. de Roland, Auteur ; J. Rabearivony, Auteur ; G. Razafimanjato, Auteur ; H. Robenarimangason, Auteur ; R. Thorstrom, AuteurWe studied the breeding biology of the Banded Kestrel (Falco zoniventris) in the forest edge habitat of Masoala Peninsula of north-eastern Madagascar from 1997 to 1999. Banded Kestrels begin their breeding season at the end of the wet season dur[...]
Article
G. La Marca, Auteur ; R. Thorstrom, AuteurThe endemic Helmet Vanga, Euryceros prevostii, was studied from October to December 1997, with incidental observations from October to December 1993-1997, on the Masoala Peninsula, northeastern Madagascar. Three types of vocalizations of this sp[...]
Article
R. T. Watson, Auteur ; S. Razafindramanana, Auteur ; R. Thorstrom, Auteur ; S. Rafanomezantsoa, AuteurMadagascar Fish Eagles Haliaeetus vociferoides laid eggs over a 53-day period from the end of May to mid-July. The incubation period ranged from 37 to 43 days with a mean of 39.7 days and 95% confidence interval of +/- 2.3 days. Eggs hatched ove[...]
Article
R. T. Watson, Auteur ; J. Berkelman, Auteur ; R. Rabarisoa, Auteur ; R. Thorstrom, Auteur ; C. R. B. Watson, AuteurRecent surveys indicate the Madagascar Fish-Eagle Haliaectus vociferoides population is about 100 breeding pairs; the species is considered among the most endangered birds of prey worldwide. This paper reports one of several studies to determine[...]
Article
R. Thorstrom, Auteur ; L. A. R. de Roland, AuteurFour nests of the rare and endemic Bernier's Vanga, Oriolia bernieri, were discovered; one in 1997, one in 1998, and two in 1999 on the Masoala Peninsula, northeastern Madagascar, At the 1998 nest, the female made 189 visits with 186 deliveries [...]
Article
R. Thorstrom, Auteur ; L. A. R. de Roland, Auteur
Article
R. Rabarisoa, Auteur ; R. T. Watson, Auteur ; R. Thorstrom, Auteur ; J. Berkelman, AuteurSurveys for the Madagascar Fish Eagle Haliaeetus vociferoides were conducted each breeding season (May through October) from 1991 through 1995 between Morondava and Antsiranana, western to northwestern Madagascar, to estimate the population size[...]
