Using impact assessment frameworks, this study shows that the introduction of large mammalian herbivores outside their native range has predominantly caused negative impacts on native biodiversity globally. The authors advise caution regarding their further intentional introduction for conservation purposes.

Jane Goodall, the most prolific primatologist of a generation, has died. She was 91 years old.

The births represent a powerful milestone in cloning research and breathe new life into efforts to secure the black-footed ferrets’ future in the wild.

A wildlife smuggling bust unveils a statewide black market in captive deer trafficking and regulatory fraud

Canids originally evolved in North America, presenting a compelling story of shifting climates, paleogeographies, and both successes and failures in adapting to these changes. Species evolve—new ones...

•Invasive annual grasses like cheatgrass (Bromus tectorum L.) are widespread and abundant in western North America, where they compete with native pla…

Mammalogy Notes. Publicación de la Sociedad Colombiana de Mastozoología (SCMas)

Carmen García-Chávez monitors the activities of wolves after their reintroduction to Chihuahua, northern Mexico.

Camera-trap images from a section of Kafue National Park in Zambia show conservation efforts are paying off: Populations of leopards, wild dogs and lions are all growing, Mongabay contributor Ryan Tru...

Survey reveals broad concern over harm to U.S. science—but some support federal changes

Loss of critically endangered forest elephants reduce the regeneration of a threatened species of ebony tree.

Small or no effects suggest that wolf hunting is not an efficient approach to reducing negative human-wolf interactions.