Traditionally, migratory birds are thought to arrive at their wintering grounds after fall migration and remain there until the spring migration back to breeding sites. This assumption forms the basis ...

Spring is here, which means hummingbirds are on their way back to the United States! If you're a fan of these pretty birds and are intersted in knowing when you'll be able to see them, you're in luck ...

Decades of data following the migratory patterns of endangered caribou show that migration areas have decreased significantly. Researchers are concerned that resource extraction is disturbing caribou ...

The study shows caribou herds changed their migratory duration, distance or elevation over 35 years of radio tag tracking. Decades of data following the migratory patterns of endangered caribou show ...