The best of this week’s wildlife photographs from around the world

What’s new: The first ever camera trap study from Cambodia’s Central Cardamom Mountains has captured footage of 108 wildlife species, including 23 that are threatened with extinction. This survey confirms the area’s importance as a biodiversity hotspot, a recent report says.

Conservationists and a Native American advocacy group are suing to block a Nevada lithium mine they say will drive an endangered wildflower to extinction.

A new study offers yet more evidence. Research by the European Molecular Biology Laboratory shows how pesticide tests focus on the death of an animal and ignore any important “sublethal” effects.

If a creature, such as a honeybee, is alive 48 hours after exposure, then it is deemed that all is well, and the chemical may be approved for use. The bee may be unable to fly or navigate, or its immune system may no longer function, but that is not recorded.

Millions of buffalo once roamed the grasslands, until colonialism nearly wiped them out. Finally, they're returning to — and restoring — the prairies.