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Division by subtraction: Extinction of large mammal species likely drove survivors apart
on September 19, 2019 at 6:23 pm
A new study suggests that the extinctions of mammoths, dire wolves and other large mammal species in North America drove surviving species to distance themselves from their neighbors, reducing interactions as predators and prey, territorial competitors or scavengers. The discovery could preview the ecological effects of future extinctions, the researchers say.
Planned roads would be 'dagger in the heart' for Borneo's forests and wildlife
on September 18, 2019 at 6:20 pm
Malaysia's plans to create a Pan-Borneo Highway will severely degrade one of the world's most environmentally imperiled regions, says a research team.
Actions to save coral reefs could benefit all ecosystems
on September 18, 2019 at 5:15 pm
Scientists say bolder actions to protect the world's coral reefs will benefit all ecosystems, human livelihoods and improve food security.
Undervalued wilderness areas can cut extinction risk in half
on September 18, 2019 at 5:14 pm
Wilderness areas, long known for intrinsic conservation value, are far more valuable for biodiversity than previously believed, and if conserved, will cut the world's extinction risk in half, according to a new study.
Coastal birds can weather the storm, but not the sea
on September 18, 2019 at 4:25 pm
Coastal birds survive because their populations can absorb impacts and recover quickly from hurricanes -- even storms many times larger than anything previously observed.
Understanding gaps in conservation data
on September 17, 2019 at 8:01 pm
A new study seeks to understand the type and magnitude of gaps in scientific information as a way to improve conservation planning.
Victorian hog deer genetics revealed
on September 17, 2019 at 2:04 pm
Australian researchers looking for a genetic lifeline to endangered hog deer species endemic to Pakistan, northern India and mainland southeast Asia have found widespread hybridization of the species in Victoria.
Elephant seal 'supermoms' produce most of the population, study finds
on September 17, 2019 at 11:58 am
Most of the pups born in an elephant seal colony in California over a span of five decades were produced by a relatively small number of long-lived 'supermoms,' according to a new study.
New species of giant salamander is world's biggest amphibian
on September 17, 2019 at 1:25 am
Using DNA from museum specimens collected in the early 20th century, researchers identified two new species of giant salamander -- one of which they suspect is the world's biggest amphibian.
Female gorillas must balance the reproductive costs of staying with or leaving an older male
on September 12, 2019 at 1:24 am
When a gorilla group's silverback is close to the end of his reproductive years, females face a dilemma: Should they stay with him until he dies or leave him for another male? A team of researchers has now found that both strategies bear its costs: females face reproductive costs of staying with an older male as well as costs when they transfer to a new silverback.
How species colonize habitats opened by anthropogenic land cover change
on September 11, 2019 at 7:11 pm
As plants expand into new open habitats, geographical and climatic factors may matter more than species-specific traits, according to a new study.
Hoary bat numbers declining at rate that suggests species in jeopardy in Pacific Northwest
on September 11, 2019 at 6:28 pm
The hoary bat, the species of bat most frequently found dead at wind power facilities, is declining at a rate that threatens its long-term future in the Pacific Northwest, according to a novel and comprehensive research collaboration.
Crushing bite of giant kangaroos of ice age Australia
on September 11, 2019 at 6:28 pm
An in-depth analysis of the skull biomechanics of a giant extinct kangaroo demonstrates that the animal had a capacity for high-performance crushing of foods, suggesting feeding behaviors more similar to a giant panda than a modern-day kangaroo.
Conserving rare species for the maintenance of Mediterranean forests
on September 11, 2019 at 3:30 pm
This study has shown the importance of conserving rare species for the maintenance of complex ecosystems like Mediterranean forests. Therefore, for these species, it becomes essential to understand the factors that make conservation successful.
How long does a whale feed? New data gives insight into blue and fin whale behavior
on September 11, 2019 at 11:42 am
Researchers using electronic tags were able to monitor blue and fin whales off the coast of Southern California over multiple weeks, providing new insight into the feeding behaviors of the two largest whale species.
Ash tree species likely will survive emerald ash borer beetles, but just barely
on September 9, 2019 at 9:07 pm
'Lingering ash.' That's what the US Forest Service calls the relatively few green and white ash trees that survive the emerald ash borer onslaught. Those trees do not survive by accident, and that may save the species, according to researchers, who conducted a six-year study of ash decline and mortality.
Researchers unearth 'new' mass-extinction
on September 9, 2019 at 2:55 pm
A team of scientists has concluded that earth experienced a previously underestimated severe mass-extinction event, which occurred about 260 million years ago.
Threatened species habitat destruction shows federal laws are broken
on September 9, 2019 at 1:50 pm
Human activities have destroyed more than 7.7 million hectares of threatened species habitat, revealing critical failures with Australia's federal environmental protection laws.
Rare deer likely lived 50 years beyond declaration of extinction
on September 6, 2019 at 5:40 pm
Schomburgk's deer (Rucervus schomburgki) was added to the extinction list in 1938. But new evidence, gleaned from antlers obtained in late 1990 or early 1991, shows that it survived for at least an additional half century and might still be around today.
GIS and eDNA analysis system successfully used to discover new habitats of rare salamander
on September 6, 2019 at 1:06 pm
A research team has successfully identified an unknown population of the endangered Yamato salamander (Hynobius vandenburghi) in Gifu Prefecture, using a methodology combining GIS and eDNA analysis. This method could be applied to other critically endangered species, in addition to being utilized to locate small organisms that are difficult to find using conventional methods.