937 resultados para Birds of prey -- Catalonia


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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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On cover: "East of the Rockies" added to title.

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"New series" vol. III, no. 3.

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Bibliography: v.1, p. 381-398; v.2, p. 445-466.

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"The publications of B.H. Bailey": p. [17]-18.

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L'arpella vulgar, un rapinyaire de zones humides, més abundant al nord que al sud d'Europa, es pot veure durant tot l'any al Baix Ter

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L'arpella vulgar, un rapinyaire de zones humides, més abundant al nord que al sud d'Europa, es pot veure durant tot l'any al Baix Ter

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Two species of Clinostomum previously described from Australia, C. hornum from Botaurus poiciloptilus (Australian bittern) and Nycticorax caledonicus (Nankeen night heros) and C. australiense from Pelecanus conspicillatus (Australian pelican), which have previously been synonymised with C. complanatum, are redescribed and recognised as valid species. In addition, C. complanatum is recorded from Egretta alba (large egret), E. garzetta (little egret), E. intermedia (plumed egret), N. caledonicus and Ardea novaehollandiae (white-faced heron). C. wilsoni n. sp. is described from E. intermedia from Queensland. C. wilsoni differs from the other three species in size and shape of the body and in the oral collar, oral sucker, intestinal caeca, caecal diverticula and position of testes. Taxonomic problems within the genus Clinostomum are discussed.

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Toxoplasma gondu affects mainly warm-blooded animals including birds Even though previous experimental data indicate that raptors are resistant to clinical infection there is no information regarding the susceptibility of Brazilian birds of prey to T gondii The present study aimed to observe how the crested caracara a common raptor in Brazil Interacts with T gondu, using an experimental model Seven crested caracaras seronegative for T gondu were separated into infected (n = 5) and control groups (n = 2) Birds from the infected group were fed T gondu-Infected Calomys callosus a rodent present in Brazilian savanna and described as highly susceptible to infection by the parasite for three consecutive days while control animals were fed non-Infected rodents All Infected birds produced T gondu-specific IgG antibodies that were firstly detected at day 7 post-Infection with peak production detected between 15 and 30 dpi No significant alterations in clinical and hematological parameters were observed throughout the experimental period and parasites were sparsely found in muscular tissues after the birds were euthanized In conclusion our results demonstrated that crested caracaras are resistant to oral infection with T gondu suggesting that the host-parasite relationship between both species has reached a remarkable equilibrium (C) 2010 Elsevier B V All rights reserved

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