SALT LAKE CITY — It's about 3 inches long and weighs as much as a penny. But a calliope hummingbird is a tough little bird. It can fly up to 5,600 miles in a year. Despite its tiny stature, the ...

For a brief but magical window in late April and early May, New Jersey becomes a crucial stopover for one of nature’s tiniest travelers: the ruby-throated hummingbird. As the only species of ...

ANN ARBOR, MI – The bodies of birds across North and South America are getting smaller but with longer wingspans as the climate shifts and temperatures rise. Scientists at the University of Michigan ...