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Captive-reared burrowing owls show higher site-affinity, survival, and reproductive performance when reintroduced using a soft-release

Aimee M. Mitchell, Auteur ; Troy I. Wellicome, Auteur ; Dawn Brodie, Auteur ; Kimberly M. Cheng, Auteur

Dans Biological Conservation (144(5) MAY 2011)

A remaining challenge for animal reintroductions is how best to aid individuals transitioning from captivity into the wild. We tested two techniques - 'soft' vs. 'hard' release - in a 7-year study on endangered Western burrowing owls (Athene cun[...]

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The 'Near Threatened' Bearded Screech-owl Megascops barbarus: diet pattern and trophic assessment using delta(13)C and delta(15)N stable-isotopes

Paula L. Enriquez, Auteur ; Kimberly M. Cheng, Auteur ; John E. Elliott, Auteur

Dans Bird Conservation International (20(1) MAR 2010)

The diet patterns and trophic relationships are poorly understood for most tropical owl species. We used stable isotopes of carbon (delta(13)C) and nitrogen (delta(15)N) in 24 feather samples of the rare, endemic, and 'Near Threatened' Bearded S[...]

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