Somewhere over the North Sea, a barn swallow weighing less than a AA battery is carrying a transmitter the size of a ...
With the arrival of spring comes the potential for multiple glittering hummingbirds to grace your yard. In fact, their appearance is like a clarion call of the season, coinciding with blooming ...
Tracking units on the shell of a wood turtle. The tracking information these GPS units collect is used to understand how wood turtles move throughout the year. Image credit: Smithsonian's Movement of ...
An estimated 373 million birds are migrating across the U.S. tonight, one of the largest movements of the spring season. The surge comes as scientists expand satellite-based systems like ICARUS 2.0 to ...