Squirrels Listen to Birdsong for Safety Cues
Squirrels Listen to Birdsong for Safety Cues
Eastern gray squirrels appear to ease up on vigilance behavior when the birds sound calm.
Squirrels Listen to Birdsong for Safety Cues
Squirrels Listen to Birdsong for Safety Cues

Eastern gray squirrels appear to ease up on vigilance behavior when the birds sound calm.

Eastern gray squirrels appear to ease up on vigilance behavior when the birds sound calm.

ecology
Guam’s Coral Reefs Ravaged by Warming Oceans
Guam’s Coral Reefs Ravaged by Warming Oceans
Catherine Offord | Jul 31, 2019
Bleaching killed 34 percent of the island’s reefs between 2013 and 2017, a study finds.
Image of the Day: Tree Hugger
Image of the Day: Tree Hugger
Nicoletta Lanese | Jul 29, 2019
Water flows between a dead-looking stump and nearby trees on an alternating schedule.
Amidst UK Pollinator Declines, Migrant Hoverflies Are Doing Well
Amidst UK Pollinator Declines, Migrant Hoverflies Are Doing Well
Katarina Zimmer | Jun 13, 2019
A decade-long study tallies the numbers of pest-eating, flower-pollinating hoverflies that travel to the UK every year, and illustrates their important ecological roles in southern Britain.
Antarctic Emperor Penguin Colony Faces Collapse
Antarctic Emperor Penguin Colony Faces Collapse
Jef Akst | Apr 25, 2019
After three years with very few new chicks, the birds are abandoning one of the biggest breeding sites on the continent, satellite images show.
Widespread Declines in UK’s Pollinators: Study
Widespread Declines in UK’s Pollinators: Study
Carolyn Wilke | Mar 26, 2019
Over 30 years, one-third of the wild bees and hoverfly species surveyed sustained losses, likely due to pesticides, habitat loss, and climate change.
Gene Drive–Equipped Mosquitoes Released into Lab Environment
Gene Drive–Equipped Mosquitoes Released into Lab Environment
Jef Akst | Feb 20, 2019
The large-scale experiments aim to test how the technology would fare in the wild, if deployed to knock down populations of the pests.
New Global Trade Route Could Shuttle Invasive Species
New Global Trade Route Could Shuttle Invasive Species
K.V. Venkatasubramanian | Feb 19, 2019
China’s ongoing Belt and Road Initiative passes through areas that are already at risk of swapping organisms.
Infographic: How Forests Survive the Storm
Infographic: How Forests Survive the Storm
Amber Dance | Feb 1, 2019
Trees are resilient, but researchers wonder if climate change will outpace their adaptations.
How Trees Fare in Big Hurricanes
How Trees Fare in Big Hurricanes
Amber Dance | Feb 1, 2019
Forests are resilient, but researchers wonder if climate change will outpace their adaptations.