The pinyon pines and juniper trees that fill the high desert, seen by many as an invasive scourge, are drawing interest as a source of renewable energy.

Wildfires can burn and spread differently depending on what vegetation they burn. The two fires in northern Arizona have ...

Of the five species, including two pinyon pines and three junipers, Pinus edulis, more commonly referred to as two-needle pinyon or simply pinyon, showed the greatest declines, with about 24% of ...

Of the five species, including two pinyon pines and three junipers, Pinus edulis, more commonly referred to as two-needle pinyon or simply pinyon, showed the greatest declines, with about 24% of ...

Pinyon Jays and piñon pines have a mutualistic symbiotic relationship – that means the two species benefit off each other. It also means if one species is struggling, the other will likely ...

Pinyon jays and piñon pines are wholly interdependent — the ... extends over 150,000 square miles across 13 states. It overlaps forests of several different species of piñon pines, shown ...

Pinyon jays and piñon pines are wholly interdependent—the piñon nuts provide essential sustenance ... The pinyon jay is a keystone species of these arid forests of diverse piñon pines and ...

So without pinyon jays, we don’t have piñon pines,” said ... Defenders of Wildfire petitioned he U.S. Fish and Wildlife Service to officially list the pinyon jay as an endangered species in ...

The U.S. Fish and Wildlife Service agreed to review the pinyon jay’s status under the Endangered Species Act, meaning it could be listed as endangered of threatened following federal research.