1870-7459 1870-7459 S1870-74592020000200015 10.28947/hrmo.2020.21.2.516 Mexico Mexico 00 12 2020 00 12 2020 21 2

2000 440 2008 1989 43 1-405 BirdLife International 2020 2019 2020 21 1 1 1-6 2004 20 2 2 115-44 1995 851 2015 25 2 2 3-19 2010 55 4 4 569-75 2018 2006 4 7 7 1989 479 1996 2013 14 1 1 17-21 1964 74 1-259 [Semarnat] Secretaría de Medio Ambiente y Recursos Naturales 2010 2000 548 2009 126 4 4 765-78 1991 17 85-8