Watch: Tracking the monarchs to Mexico
Before the 1970s, where monarch butterflies overwintered was a mystery. Then researchers succeeded worked with Mexicans to trace the migration to the hills of ...
migration
Fall of the monarchs
Over the last two decades, the number of monarch butterflies (Danaus plexippus) in North America has plummeted by approximately 90 percent — in part due ...
Tiny blackpoll warblers fly 12,500 miles in yearly migrations
Half-ounce songbirds, blackpoll warblers (Setophaga striata) redefine the meaning of endurance in their epic trip from the northwestern edge of Alaska to the East ...
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 ...
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 ...