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Such as all anatidae, the common shelduck Tadorna tadorna grouped in the middle of the site during the post- migration period and exhibit a gregarious behavior [27, 29, 30, 32, and 21].
In the aim of the following is to study the ecology of these Anatidae in the ecological intricate of Guerbes Sanhadja Wetlands, an eco ethologic study of this surface duck was realized over a season of wintering.
Phylogenetic relationships based on two mitochondrial genes and hybridization patterns in Anatidae.
Analyses of globally threatened Anatidae in relation to threats, distribution, migration patterns and habitat use.
If it looks like a duck, and quacks like a duck, we have at least to consider the possibility that we have a small aquatic bird of the family Anatidae on our hands.
The coscoroba swan (Coscoroba coscoroba) is an unusual member of the Anatidae found in South America, from the Falkland Islands and Tierra del Fuego through Chile and Argentina, Uruguay, and Paraguay as far north as Mato Grosso do Sul in Brazil.
Anatidae migration in the western Palearctic and spread of highly pathogenic avian influenza H5N1 virus.
Necropsy results in free-flying and captive Anatidae in British Columbia.
It is known that birds, particularly the Anatidae, alter migration routes, wintering grounds and breeding grounds in response to changes in habitat (Nichols et al.
Among the Anatidae group, duck species wintering in Mediterranean areas showed significantly higher values than ducks wintering in South-Saharan areas of Africa.
flexor perforans et perforatus digiti III, in their course down the posterior side of the tarsometatarsus, are connected by a strong tendinous band (vinculum) which suggests simultaneous action of the two toe flexors in some birds, such as Anatidae, Cathartidae, Grus, Larus, most Galliformes and ratites (Hudson 1937, 1948; Fisher 1946; Berger 1956; Hudson et al.
sample #128; Anatidae and Anhingidae) accordingly but were unable to ascertain if more than one individual of the same species was consumed in heavily digested samples.