1. Anderson S (2002) Identifying important plant areas. Plantlife International, London
2. Arizmendi MC, Márquez-Valdelamar L (eds) (2000) Áreas de Importancia para la Conservación de las Aves en México (AICÁs). CIPAMEX-CONABIO-CCA -FMCN. Mexico City
3. Arriaga L, Espinoza JM, Aguilar C, Martínez E, Gómez L, Loa E (eds) (2000) Regiones terrestres prioritarias de México. CONABIO. Mexico City
4. Awkerman JA, Huyvaert KP, Mangel J, Alfaro Shigueto J, Anderson DJ (2006) Incidental and intentional catch threatens Galápagos waved albatross. Biol Conserv 133:483–489
5. BirdLife International (2004a) The state of the world’s birds 2004: indicators for our changing world. BirdLife International, Cambridge