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6719605 
Journal Article 
Anthropogenic lead (Pb) exposure in populations of a wild parrot (kea Nestor notabilis) 
Reid, C; Mcinnes, K; Mclelland, JM; Gartrell, BD 
2012 
Yes 
New Zealand Journal of Ecology
ISSN: 0110-6465 
36 
1 
56-63 
English 
WOS:000299660900006 
Kea (Nestor notabilis), large parrots endemic to hill country areas of the South Island, New Zealand, are subject to anthropogenic lead (Pb) exposure in their environment. Between April 2006 and June 2009 kea were captured in various parts of their range and samples of their blood were taken for blood lead analysis. All kea (n = 88) had been exposed to lead, with a range in blood lead concentrations of 0.014 - 16.55 mu mol L-1 (mean +/- SE, 1.11 +/- 0.220 mu mol L-1). A retrospective analysis of necropsy reports from 30 kea was also carried out. Of these, tissue lead levels were available for 20 birds, and 11 of those had liver and/or kidney lead levels reported to cause lead poisoning in other avian species. Blood lead levels for kea sampled in populated areas (with permanent human settlements) were significantly higher (P < 0.001) than those in remote areas. Sixty-four percent of kea sampled in populated areas had elevated blood lead levels (>0.97 mu mol L-1, the level suggestive of lead poisoning in parrots), and 22% had levels > 1.93 mu mol L-1 - the level diagnostic of lead poisoning in parrots. No kea from remote areas had levels > 0.97 mu mol L-1. The kea is a long-lived, slow-reproducing species at a high risk of decline from even a small reduction in its survival rate. Based on our findings, we conclude there is an urgent need to implement lead abatement strategies in areas of the kea range that overlap with permanent human settlement. 
conservation; free-ranging; plumbism; Psittacidae; toxins