Abstract

The release of captive-reared birds has led to the reestablishment or augmentation of wild populations of several avian species threatened by extinction (Kear 1972; Barclay & Cade 1983; Shepard 1986). Shorebirds should be very suitable candidates for captive-rearing projects because of their strongly developed innate behavior and offspring precocity. More specifically, hand-reared birds, raised without parents or foster parents, could prove valuable for augmenting coastal snowy plover (Charadrius alexandrinus) populations, which have been eliminated from sizable sections of their former breeding range (Page & Stenzel 1981). Consequently, we compared survival and initial breeding success of handand wild-reared released snowy plovers to evaluate the potential of a captive-rearing program for plovers.

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