New Zealand Journal of Zoology abstractsZ00026 Received and accepted 28 July 2000
Cause of death in blue penguins (Eudyptula m. minor) in North Otago, New ZealandA. G. HOCKEN
East Riding
Abstract I necropsied 213 blue penguins (Eudyptula m.
minor) collected during 1994 to 1998, mainly from Oamaru Harbour and urban
areas, the remainder from sites south to Otago Peninsula. The dominant
categories were malnutrition (16%), and cause of death (15%). Where
malnutrition was involved, it was usually unclear whether it was the direct
cause of death or the consequence of undiagnosed natural disease or
infestation. Twenty five per cent of birds died from animal attacks.
Aspergillosis was the commonest natural disease (3.3%). Endoparasitism was
uncommon (1.3%). This study provides significant evidence of geographic
variation in infestation of blue penguins. |