Re-establishment of an endangered subspecies: the Norfolk Island Boobook Owl Ninox novaeseelandiae undulata
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چکیده
منابع مشابه
Fate of Moreporks (ninox Novaeseelandiae) during a Pest Control Operation on Mokoia Island, Lake Rotorua, North Island, New Zealand
We monitored 16 radio-tagged moreporks (Ninox novaeseelandiae) on Mokoia Island after a brodifacoum poison drop to eradicate mice (Mus musculus), normally included in the owls’ diet. All 16 moreporks were alive after 13 days. One bird was found dead on day 22, and corpses of two radio-tagged birds were located on day 51. The bird found on day 22 contained 0.97 mg kg of brodifacoum in its liver....
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The diet of radio-tagged moreporks (Ninox novaeseelandiae) was studied at Pureora Forest from May to December 1997. An examination of 187 pellets yielded 1226 prey items. Approximately 99% of the diet was invertebrates; the commonest items being beetles (48.6%), stick insects (25.6%) and weta (11.8%). Vertebrate prey included silvereye (Zosterops lateralis) and rodents in small numbers. The die...
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Genetic studies of rare and endangered species often focus on defining and preserving genetically distinct populations, especially those having unique adaptations [1, 2]. Much less attention is directed at understanding the landscape of deleterious variation, an insidious consequence of geographic isolation and the inefficiency of natural selection to eliminate harmful variants in small populat...
متن کاملConvict artefacts from the Civil Hospital privy on Norfolk Island.
The archaeology a/the penal settlernent a/NO/folk Is/and;s a substantially untapped source ofil?formalion aboul cOf/vict life. as revealed by the assemblage of artefacts excavated in J987 from the Civil (convict) Hospital privy (in use c./845-/855). Artefacts such as syringes, medicine cups. cupping glasses, medicine and alcohol bottles, clay IObacco pipes, buttons, toothbrushes and hair combs;...
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ژورنال
عنوان ژورنال: Bird Conservation International
سال: 1996
ISSN: 0959-2709,1474-0001
DOI: 10.1017/s0959270900001313