1870-7459 1870-7459 S1870-74592017000100118 Mexico México México México 00 06 2017 00 06 2017 18 1 118 122

2008 American Ornithologists’ Union 1998 2002 2013 5 1 1 1-7 1977 94 365-7 eBird 2016 2014 2 4 4 313-26 1950 29 1-202 2002 56 2 2 228-32 2005 59 3 3 500-5 2006 60 3 3 444-51 2007 2007 61 1 1 150-4 2007 61 2 2 334-40 1999 33 93-9 1994 3 33-54 2004 21 38-43 1995 2007 61 2 2 208-24 2008 2014 337-45 1976 47 2 2 164-5 2006 7 1 1 23-6 Secretaría de Medio Ambiente y Recursos Naturales 2010 1946 63 1 1 101