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USFWS clarifies ESA ‘take’ interpretation 

USFWS clarifies ESA ‘take’ interpretation 

The recovery of the black-footed ferret was one example cited by Wyoming Gov. Matt Mead when talking about some of the ESA’s greatest successes.

Kimberly Fraser

The U.S. Fish and Wildlife Service (USFWS) issued a new directive outlining how staff should interpret the Endangered Species Act’s (ESA) prohibition on “take” following the rescission of the regulatory definition of “harm.” 

In a Sept. 14 memo to USFWS staff, Director Brian Nesvik outlines that the ESA prohibition on “take” only applies to acts intentionally and purposefully directed at an animal. The memo explains that when there is no direct intention to harm an animal, there is no take, however serious the resulting injury to the animal may be. 

“Felling a tree is not a take of the bats roosting in it unless the tree is felled for the purpose of killing or capturing them,” the memo read, noting that the action is directed at the timber and reaches the animal only indirectly and accidentally. 

The explanation follows an earlier rescission of the regulatory definitions of “harm” under the ESA, which took effect in mid-September. 

In his memo, Nesvik wrote that the “Harm Rule” rescinded the USFWS’ regulatory definition of “harm” and adopted Supreme Court Justice Antonin Scalia’s interpretation of “take” as set out in the dissent of a Supreme Court case from earlier in the summer. 

“Under Justice Scalia’s interpretation, ‘take’ reaches only an affirmative act that is intentionally and purposefully directed at a particular animal,” the memo read. “The action thus reaches an animal without an intervening link, although the consequences of the act might arrive later (as with baiting or poisoning).” 

The intentionality element describes the action itself, Nesvik wrote, and is separate from the ESA’s mens rea, referring to the mental state required for criminal liability. 

“The ESA’s mens rea attaches to the animal’s biological identity,” the memo read. 

Nesvik further writes, “In sum, Justice Scalia’s interpretation begins with one fundamental point: did the actor intend to act on the animal itself. This factor guides interpretation and application of the ESA’s ‘take’ prohibition.” 

Environmental groups immediately condemned the memo, calling the action an “all-out war against America’s wildlife.” 

Andrew Bowman, president and CEO at Defenders of Wildlife, said, “The administration’s absurdly narrow statutory reinterpretation hamstrings the ESA’s effectiveness and makes a mockery of our nation’s half-century commitment to saving and recovering America’s imperiled wildlife.” 

Environmental groups have challenged the rescission of the harm rule in court, while agricultural groups have largely supported the move. — Anna Miller Fortozo, WLJ managing editor

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1 Comment

  1. Kevin Key with Rabbit Creek Ranch LLC
    October 1, 2026
    Sadly, on our operation we are forced to NOT graze on certain areas of our own private land to "protect" an endangered fish. Not only is this frustrating to avoid great sources of water to our herd while we are forced to haul water daily in this drought, but it is actually endangering the fish and the entire ecosystem further according to many experts. The endangerment to these lands, which accommodate ruminant animals wonderfully is now from overgrowth, increased fuel in an already high wildfire area, and vastly increases potential for total destruction to these valuable microenvironments. Our rangelands work because they have evolved to support ruminant animals for thousands upon thousands of years. With Bison and the great elk and other ruminant animals now gone, we are where we are, and cattle provide a very effective replacement while feeding our Great Nation with nutritious real food.

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