CASTLE DANGER -- A quick flitter in the treetops, then a chirp or short song is all it takes to get Anna Peterson to make a mark on her clipboard. She pauses on her walk through the woods, checks her ...

Sept. 3 (UPI) --The United Nations launched the world's first map Wednesday that shows the live migration of antelopes, guanacos, zebras and other land-hoofed ungulates currently facing threat by ...

ITHACA, N.Y. — New radar maps from the Cornell Lab of Ornithology show real-time nocturnal bird migration across the United States. The maps use the national weather radar network to chart bird ...

"Animal Trails: Rediscovering Grand Teton Migrations," a new Wyoming-made documentary, shows how the migration patterns often depend on habitats up to 190 miles away from Grand Teton National Park — ...

Michigan's native birds are arriving for the summer from near and far, but you might not notice as many travel at night. "The movements are massive," said Andrew Farnsworth, a migration ecologist at ...