1659-1321 1659-1321 S1659-13212016000200415 10.15517/am.v27i2.21282 MX 00 12 2016 00 12 2016 27 2 415 419

BESG (Bird Ecology Study Group) 2007 2002 63-97 2015 2010 2002 113-21 1878 7 135-234 2007 11 2 2 82-9 1995 IBC (The Internet Bird Collection) 2015 2015 2013 5 1 1 111-20 2006 2002 99-112 2011 162 42-50 2005 11 83-7 1989 2002 49-62 2010 58 511-28 2014 2014 1-9 2013 2011 48 130-6 2000 108 121-4 SIAP (Servicio de Información Agroalimentaria y Pesquera) 2015 2013 24 55-66 2001 3 1 1 19-30 2011