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Intruder pressure explains more of the variation in territory size than fish abundance for Red-necked Grebes (Podiceps grisegena) breeding on small boreal lakes

P. H. Klatt, Auteur ; C. A. Paszkowski, Auteur

Dans Ornis Fennica (82(4) 2005)

In the Red-necked Grebe (Podiceps grisegena), breeding pairs use both overt aggression and ritualistic behavior to defend territories for breeding and feeding. Examining the influence of factors determining territory size simultaneously continue[...]

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