Study finds island goshawk population unique and at risk
When Canadian ornithologist Percy Algernon Taverner examined the goshawks of Haida Gwaii in 1940, he noticed something unusual about them. The birds on these rugged ...
genetics
Development is dividing California’s puma populations
Habitat fragmentation is splintering California’s mountain lion (Puma concolor) populations, researchers found. As urbanization between Los Angeles and San Diego ...
Hybrids — and maybe a full red wolf — found in former range
Red wolves (Canis rufus) were thought to be extinct in the wild, outside of a reintroduced population in North Carolina. But a pair of recent studies have found ...
JWM: Gene diversity high in Missouri deer
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 ...
A genetic switch controls butterfly colors
How do butterflies get their colors? For one species, a single gene controls whether the spots on their wings are white or yellow. Using gene editing tools, ...
Hawaiian gallinules won’t leave home, putting them at risk
Endangered native Hawaiian waterbirds like the Hawaiian gallinule (Gallinula galeata sandvicensis) and the Hawaiian coot (Fulica alai) have benefited from habitat ...
Though declining, threatened rattlers show little inbreeding
Eastern massasauga rattlesnakes (Sistrurus catenatus) are declining throughout most of their range, but in Illinois, a 10-year genetics study found a lack of ...
Is a more harmful python emerging in the Everglades?
Biologists studying invasive pythons in the Florida Everglades came across a disturbing finding. While most of the snakes they studied showed genetics of Burmese ...
Poll finds Americans mixed on genetically engineered animals
Most Americans accept genetic engineering of animals if it benefits human health, but other purposes, including efforts to resurrect extinct species, are less ...
Can genetics offer new tools for wildlife biologists?
Could genetic advances in the laboratory transform wildlife management on the ground? It’s a question APHIS Wildlife Services biologists are asking as they look ...