I learned that there are twenty-six species of milkweed longhorn beetles (Tetraopes spp.) and up to fifteen of those are in the US. I...
There are 13 species of oaks found in Arizona and they range from 3,000 to 8,000 feet in elevation across the state. The only...
American robins, Turdus migratorius, are common summer residents in the pine forests of southeastern Arizona. In the winter they move lower to the mixed...