Abstract
On Easter Sunday of 1987, the last California Condor (Gymnogyps californianus) known to exist in the wild was trapped for captive breeding, joining 26 others of his species at the San Diego and Los Angeles Zoos. A young male adult, he was a bird whose life had been followed closely for a number of years. His movements and interactions with other condors, his molting patterns and changes in coloration with age, as well as his pairing with an old female in late 1985, and his first breeding attempts in 1986 had all been documented in considerable detail. Like every other bird in the remnant population, he was known and had been studied as an individual. With his capture, an era of intensive investigations of condor natural history and ecology had come to a close.
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Snyder, N.F.R., Snyder, H.A. (1989). Biology and Conservation of the California Condor. In: Power, D.M. (eds) Current Ornithology. Current Ornithology, vol 6. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-9918-7_5
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