IUCN threat status:

Vulnerable (VU)

Distribution

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Range Description

Synthliboramphus craveri has an estimated c.5,000 breeding pairs, scattered throughout the Gulf of California, Mexico (Everett and Anderson 1991). It breeds on Islas Partida, Tiburón, San Jorge, San Esteban, Estanque, San Pedro Mártir, San Pedro Nolasco, San Francisco, Espíritu Santo and San Ildefonso, and possibly on the Pacific coast of Baja California, north to Islas San Benitos (DeWeese and Anderson 1976, Everett and Anderson 1991, Velarde and Anderson 1994, E. Velarde in litt. 1998). The population, with pre-breeders, is probably 15,000-20,000 birds (Gaston and Jones 1998), which is similar to an at-sea survey estimate of c.22,000 birds (Pitman et al. 1995). It winters in the Gulf of California and along coasts to south California, USA, and Sonora, Mexico, and possibly Guatemala (DeWeese and Anderson 1976, Tershy et al. 1993).

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© International Union for Conservation of Nature and Natural Resources

Source: IUCN

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