There’s no mistaking the dizzying display of a hummingbird’s wings as it zips around from flower to flower looking for nectar. But often, that same frantic action is used to chase other hummingbirds.

Look for a violet-crowned hummingbird in Arizona and New Mexico. Learn what this bird looks like, what they sound like and ...

CU Boulder researcher analyzes 50 years of data to show the relationship between certain birds’ unorthodox behavior and their traits Hummingbirds are iconic, easily recognized by their plumage, ...

https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001~!169607~!0#focus ...