Abstract
-Satellite tracking was used to examine movements of the threatened Pink-footed Shearwater (Puffinus creatopus) from Isla Mocha, Chile, during the chick-rearing period in 1998. We were able to track one breeding bird, one bird of unknown status and one prospector. Whereas the first two performed foraging flights and returned to the colony after about a two weeks absence, the last traveled north for four weeks, suggesting that it had started migration towards the wintering grounds in the northern hemisphere. Faster travel speeds during the day than during the night were found for all three birds. A major foraging zone was located about 250-300 km north of Isla Mocha and close to the Chilean mainland. The preference of Pink-footed Shearwaters for waters close to the coast when feeding, as well as when migrating, has implications for the conservation of the species. Received 5July 2000, accepted 26 August 2000.
Published Version
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