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André Konter, AuteurA field study at the Dutch IJsselmeer on colonial nesting of Great Crested Grebe Podiceps cristatus over four breeding seasons focused on the phenomenon of breeding aggregation. Grebes settled in two types of habitat: 'Bulrush' and 'Reed'. Pairs[...]
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André Konter, AuteurIn birds, coloniality is considered to be evolutionary more advanced than solitary breeding. Territorial Great Crested Grebes Podiceps cristatus may engage in opportunistic colonial breeding. The present study focuses on behavioural aspects asso[...]
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Kai Abt, Auteur ; André Konter, AuteurRing recoveries of dead individuals from all over Europe and covering a period of 57 years were collected to study survival of Great Crested Podiceps cristatus (n = 433), Black-necked P. nigricollis (n = 95) and Little Grebes Tachybaptus ruficol[...]
