IUCN threat status:

Extinct in the Wild (EW)

Distribution

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Range Description

Zenaida graysoni has been extirpated from Socorro in the Revillagigedo Islands, Mexico. It was formerly common and observations in 1957 and 1958 gave no indication that it was declining. The last sighting in the wild was in 1972 (Baptista and Martínez-Gómez 1996), and all suitable habitat on the island has been surveyed subsequently without recording the dove (J. E. Martínez-Gómez in litt. 1999, 2000). Several individuals were taken during an expedition to the islands in 1925 and subsequently bred in the U.S.A., with some sent to Europe (Martínez-Gómez et al. 2003). Fortunately, aviculture has prevented the extinction of the species, with captive populations held in the U.S.A. and 12 European countries (J. E. Martínez-Gómez in litt. 2007). The European breeding programme for this endangered species has monitored the captive population for more than 30 years (J. E. Martínez-Gómez in litt. 2007). The captive population was thought to total several hundred birds, but hybridisation with Mourning Doves Z. macroura became a major problem in the U.S.A. in the 1990s (Martínez-Gómez et al. 2003), and it now appears that many of these U.S. birds are hybrids (J. E. Martínez-Gómez in litt. 1999, 2000, S. G. Stadler in litt. 2012). As a consequence of the occurrence of avian influenza in Europe in 2006, the Socorro Dove Project sent a total of 12 birds to Albuquerque Biological Park to form a second, independent reserve population nearer to the species's native country (S. G. Stadler in litt. 2012).

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Source: IUCN

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