In early 1900 the populations of Mexican Wolf began the decline of their populations. Their drastic decline was due to indiscriminate hunting to which were subjected by farmers. By mid-l900 Arizona, New Mexico and Texas will be free of wolves. In the early 1980s created a joint interest by governments...
En este estudio se realizó un análisis de las pautas conductuales del carpintero Melanerpes uropygialis (Picidae) y del mosquero Pitangus sulphuratus (Tyrannidae) en un mosaico vegetal complejo del estado de Jalisco, México. Las observaciones se realizaron durante el otoño de 2005 y la primavera de 2006. Con el fin de...