The most speciose plant families represent Asteraceae, Fabaceae, Poaceae
. In total, 12 species of oak trees are found within these conifer forests.
Together these plants support an impressive array of bird species including the Mexican jay
), Mexican chickadee
), zone-tailed hawk
), maroon-fronted parrots
), thick-billed parrots (R. pachyrhyncha
), Strickland's woodpecker (Picoides stricklandi
), and Montezuma quail
). Predators with large ranges, such as Gray wolf
) and Jaguar
) frequent these habitats as well.
The Sierra Madre
Occidental pine oak forests are rich in endemic and endangered plant and animal species including over 85 species of reptiles (of which 22 are endemic), 20 amphibians (12 of them endemic), and a number of endemic birds, as well. In the northern portion, over 15 species of pine trees and more than 25 types of oaks occur. The 27 species of conifer trees and 21 oak species recorded in these mountains, make them a center of diversity for these groups of trees. More than 300 species of birds make their homes here, including the golden eagle
, endangered thick-billed parrot, military macaw, and tufted jay