Breeding ecology of the Marbled Duck Marmaronetta angustirostris at Boussedra march (Annaba, Northeast of Algeria)

Aberkane, M., Chettibi, F., Bakhouche, B., Draidi, K., Bouslama, Z. & Houhamdi, M. 2013. Breeding ecology of the Marbled Duck Marmaronetta angustirostris at Boussedra march (Annaba, Northeast of Algeria). Annals of Biological Research 4 (10): 103-107.  PDF

Abstract:

Marbled duck Marmaronetta angustirostris (Anatidae) nested for three consecutive years (2011, 2012 and 2013) in the marais de Boussedra (North-East of Algeria): a much polluted site. Nests are built on Scolymus hispanicus and Innula graveloens (Asteraceae). In water, the nests are built in clusters of Typha angustifolia (Typhaceae). Nesting occurs between mid-May and mid-June of each year. The eggs have a mean weight of 32.61g and a volume of 26.51 cm3. The hatching rate recorded is 40.40% and the causes of failure are many and the most important are predation by the White Stork Ciconia ciconia, the rodents and the dogs.

Chicks of the Marbled Duck (Marmaronetta angustirostris) after hatching

Chicks of the Marbled Duck (Marmaronetta angustirostris) after hatching (M. Abdekane)

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