Video: Rains cause painted ladies to linger in California
Heavy desert rainfall has been keeping large swarms of painted lady (Vanessa cardui) butterflies in California, delaying their migration. These clouds of ...
migration
Unpredictable climate impacts may await migrating birds
Looking toward the future, researchers found migrating birds in the Western Hemisphere will likely face challenges as a result of a changing climate in the next 40 ...
The late bird gets later
A few years ago, University of Guelph researcher Elizabeth Gow’s work wouldn’t have been possible. But improvements in technology allowed biologists to fit tiny ...
Climate change winds may bear mixed news for migrating birds
Changing wind patterns due to climate change could bring mixed results for migrating birds. Under future climate scenarios, researchers found, North American birds ...
Airborne drones reveal movements of earthbound caribou
These reindeer can’t fly, but using airborne drones, researchers discovered lots of interesting things about how they move on the ground. In what they say is the ...
A dragonfly migration three generations long
The migration of the monarch butterfly (Danaus plexippus), from the highland of Mexico to fields and backyards throughout North America is well known. But what ...
Migration corridors follow food, avoid human disturbance
Looking across the Wyoming landscape, it might seem like mule deer (Odocoileus hemionus) could pick just about anywhere to cross between the high country, where ...
Study finds birds that migrate long distances survive better in winter
Using weather radar to study North American bird migrations, researchers at the Cornell Lab of Ornithology made a surprising discovery: birds leaving the United ...
Weather radar helps predict bird migrations
Weather radar is usually collected by the National Weather Service to help people know what to wear outside or if any big storms are coming, but it can also help ...
Where do nighthawks spend the winter?
Common nighthawks (Chordeiles minor) have declined about 80 percent since 1968, but researchers hadn’t yet known where they go for the winter — information that ...