The Rivoli's hummingbird is a striking, shimmery flier. Learn how to identify these gorgeous birds and why their name was changed... twice!

Take Our A-Z-Animals Birds Quiz Hummingbirds fly year-round in parts of the Southwestern U.S., especially in southeastern Arizona and close to the U.S.-Mexico border in Arizona, New Mexico ...

Mexican long-nosed bats have been identified in southeastern Arizona through citizen scientist efforts and innovative DNA technology.

Many of us watched with horror the pictures of raging wildfires in Los Angeles County, fires that resulted in multiple deaths ...

Rufous hummingbirds in particular are well-known for their peregrinations across the continent, and over several decades have ...

The first definitive proof of Mexican long-nosed bats in southeastern Arizona was collected in just about the least glamorous way possible: by swabbing bat saliva from backyard hummingbird feeders ...

Citizen scientists in southeastern Arizona and southwestern New Mexico voluntarily swabbed hummingbird feeders outside their homes for DNA left behind by migratory nectar-feeding bats. As the bats ...