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Article
J. A. Robinson, Auteur ; L. G. Culzac, Auteur ; N. S. Aldridge, AuteurDans Wildfowl (53 2002)Diurnal time-activity budgets of Mallard broods were measured at the Cotswold Water Park and The New Grounds, Slimbridge in spring and summer 2000. During the first month after hatching, ducklings spent 50% of their time feeding. Ducklings spent[...]
Article
J. A. Robinson, Auteur ; K. C. Hamer, AuteurDans Ardea (88(1) 2000)Food provisioning rates and chick growth rates of Common Terns Sterna hirundo and Arctic Terns S. paradisaea were studied in Northeast England. Adult terns of both species fed large broods more frequently than those containing fewer chicks. Ener[...]
Article
J. A. Robinson, Auteur ; N. S. Aldridge, Auteur ; L. Wright, Auteur ; L. G. Culzac, AuteurReproductive parameters of Mallard Anas platyrhynchos were investigated in relation to vegetative development, physical characteristics and invertebrate food abundance of a complex of flooded gravel quarries in southern Britain. Breeding pair de[...]
Article
J. A. Robinson, AuteurDans Wildfowl (50 1999)Criterion 3c of the Ramsar Convention on wetlands of international importance suggests that a wetland should be considered internationally important if it regularly supports 1% of the individuals in a population of a species or subspecies of wat[...]
