At an Indian Ocean marine refuge, tides drive cold water laden with nutrients onto the tops of underwater mountains, where it sustains a long food chain that culminates in sharks, tuna, and seabirds.
birds
Sooty Bird Bellies Yield Insights into Historical Air Pollution
A new study mined museum collections to investigate just how sooty the air in the United States has been for the past 135 years.
Birds Flock to Areas of Good Weather Across the United States
A survey of birds over several decades shows that many bird species migrate or shrink their habitat to avoid drought and storms.
Cooling Galápagos Sea Surface Temperatures Affect Local Penguins
The Galápagos cold pool is expanding northward as a result of climate change, and local penguin populations are rising.
Birds Ignore Volcano Blast, Puzzle Scientists
When a nearby volcano unexpectedly erupted in the midst of a behavioral study of Andean condors in Argentina, the researchers scrambled to observe disruption to condors' lives. Oddly, there was none.
Survey Shows Where Arctic Marine Bird Populations Thrive
"Hot spots" of species richness currently include the Bering Sea, Lancaster Sound, Baffin Bay, and Davis Strait. Will this change as sea ice melts?
