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Effects of surgically implanted intra-abdominal transmitters with external antennae on egg laying and behavior of captive-reared Lesser Scaup (Aythya affinis)

Cheyenne R. Beach, Auteur ; Jennifer A. H. Koop, Auteur ; Auriel M. V. Fournier, Auteur

Dans Wilson Journal of Ornithology (The) (137(4) December, 2025)

In preparation for a study on the migration behaviors and breeding success of Lesser Scaup (Aythya affinis), we evaluated the effects of surgically implanted intra-abdominal transmitters with external antennae on the reproductive capabilities an[...]

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Article

Evaluation of two methods for quantifying passeriform lice

Jennifer A. H. Koop, Auteur ; Dale H. Clayton, Auteur

Dans Journal of Field Ornithology (84(2) JUN 2013)

Two methods commonly used to quantify ectoparasites on live birds are visual examination and dust-ruffling. Visual examination provides an estimate of ectoparasite abundance based on an observer's timed inspection of various body regions on a bi[...]

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