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genetic diversity

Conservation News

Recovering wild condors maintain high genetic diversity

June 17, 2021

As wildlife biologists help return California condors to the wild, researchers found the recovering population has surprisingly high genetic diversity, which offers some good news for a species that has been difficult to restore. California …

Conservation News

New bison conservation initiative focuses on genetic diversity

May 20, 2020

In the 17th and 18th century, North American plains bison (Bison bison bison) nearly went extinct due to unregulated and unsustainable harvest and habitat loss. Across the country today, some 30,000 bison are conserved by …

David Frey

JWM: Kentucky success provides recipe for elk reintroduction

January 13, 2020

Kentucky may have discovered the recipe for success when it set out to reintroduce elk to the state about 20 years ago, researchers found. The state brought in a large number of animals from herds …

Conservation News

Human activity influences species’ genetics differently

November 19, 2019

Humans’ presence on the landscape affects different species differently. For some species and population, genetic diversity decreases alongside human land use and population density. For others, it can increase, according to recent research. “Our intuition …

FYI News

Watch: California embarks on massive wildlife overpass

September 6, 2019

California is building what state transportation officials will be the world’s largest wildlife overpass. Paid mostly with private donations, the overpass will span 200 feet across 10 lanes of U.S. 101 about 35 miles northwest …

Conservation News

Development is dividing California’s puma populations

January 18, 2019

Habitat fragmentation is splintering California’s mountain lion (Puma concolor) populations, researchers found. As urbanization between Los Angeles and San Diego spreads across landscapes historically used by mountain lions, it is causing some groups of mountain …

David Frey

JWM: Gene diversity high in Missouri deer

December 7, 2018

Some 1.4 million white-tailed deer (Odocoileus virginianus) roam in Missouri today, but less than a century ago, their numbers had dwindled to the verge of extirpation. It would be understandable, then, if today’s deer showed …

David Frey

Though declining, threatened rattlers show little inbreeding

September 13, 2018

Eastern massasauga rattlesnakes (Sistrurus catenatus) are declining throughout most of their range, but in Illinois, a 10-year genetics study found a lack of inbreeding among the rattlers there, offering hope for the threatened snake’s recovery. …

Dana Kobilinsky

Southern sea otters still struggle with genetic diversity

May 30, 2018

Despite modest increases in the threatened southern sea otter population (Enhydra lutris nereis), their genetic diversity has remained the same, prompting researchers to question the future of their recovery. The southern sea otter population consists …

Dana Kobilinsky

In Hawaii, bird’s genetic trail leads from island to island

January 25, 2018

When Japanese bush-warblers (Cettia diphone) were introduced to Oahu in the 1920s, it might not have been good for native wildlife, but it turned out to be helpful for researchers. As the birds made their …

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