Ecosystems
- Animals
Invasive earthworms may be taking a toll on sugar maples
Sugar maple trees in the Upper Great Lakes region are more likely to have dying branches when there are signs of an earthworm invasion, a new study finds.
- Animals
Why midsize animals are the fastest
New analysis delves into the mystery of why medium-sized animals are speedier than bigger ones.
- Animals
One creature’s meal is another’s pain in the butt
Kelp and dolphin gulls in Patagonia have found a new food source. But they accidentally injure fur seal pups to get it.
- Animals
Whales feast when hatcheries release salmon
Whales: “They’re 40 feet long and they’re feeding on fish that are the size of my finger.”
- Plants
How to eavesdrop on kelp
Sounds reverberating through a kelp bed can be linked to environmental factors, suggesting a low-key way to monitor undersea communities.
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- Animals
Drowned wildebeests can feed a river ecosystem for years
Only a small percentage of wildebeests drown as they cross the Mara River, but they provide resources for the river ecosystem for years after their deaths.
- Ecosystems
Earth’s dry zones support a surprising number of trees
A Google Earth-based estimate of dryland forests adds serious leafage to Earth’s total tree count.
- Animals
Big slimy lips are the secret to this fish’s coral diet
A new imaging study reveals how tubelip wrasses manage to munch on stinging corals.
- Climate
Higher temperatures could trigger an uptick in damselfly cannibalism
Experiments in the lab suggest that increases in temperature could indirectly lead to an increase in cannibalistic damselfly nymphs.
- Animals
Watch male cuttlefish fight over a female in the wild
For the first time, researchers have observed the competitive mating behaviors of the European cuttlefish in the field.
- Animals
Seabirds use preening to decide how to divvy up parenting duties
Seabirds in poor condition may communicate this information to their partner by delaying or withholding preening.
