Researchers created 3D models of ancient tracks in Oregon’s John Day Fossil Beds National Monument. The study revealed a ...

This little perpetual-motion machine needs to eat constantly because of its high metabolism and high body temperature. If it ...

The least flycatcher (Empidonax minimus), a small North American bird, is facing mounting challenges as climate change alters ...

Hummingbird Central tracks reports of sightings of the small bird. Their diminutive wings fluttering 15 to 80 times a second, hummingbirds are homing in on the Lower Hudson Valley as they fly ...

Chasing these small birds in the late summer heat is the official kickoff to the best time of year: Duck season. Across most of the nation, excluding the Pacific Flyway and a few other states ...

The small birds, known for their long beaks and ultra-fast wings that make them look like they're floating, begin heading north in late winter. Some species, like the Calliope Hummingbird ...