State wildlife officials say they want to cull a wolfpack in northwestern Washington. Washington Fish and Wildlife will cull one or two wolves from the OPT pack in the Colville National Forest, the ...

Research usually acquires data by staging experiments so there are fewer variables between reference subjects and experimental subjects. Such was the case when fish researchers were attempting to ...

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SAN FRANCISCO (AP) — Federal park officials in San Francisco say they’ve finished the first phase of an experimental — and deadly — attempt to restore native fish to a local pond. Officials at San ...

Electrocurrents are being used to stun pest fish so they can be scooped up, brought to land, and killed at Auckland's Western Springs Lake. Jessica Hopkins reports.

Hundreds of goldfish, turtles and other pests are being pulled from a popular park's lake to be euthanised.