DENVER — A Colorado hunter is being blasted on Facebook for hunting a mountain lion. The hunter says her kill was legal, but members of an environmental group are taking her to task—saying she is nothing more than a gory-hungry trophy hunter.

The controversy stems from a picture of Franny Esplin posted to her Facebook profile. The image is deeply offensive to environmental activists at Prairie Protection Colorado.

“It’s a trophy hunt,” said Deanna Meyer, Prairie Protection Colorado executive director. “They’re taking animals for joy.”

Meyer says her group posted the picture on its Facebook. The post created a heated debate between group members and hunters.

“We definitely weren’t targeting any individual in particular,” she said. “We were looking at different hunters in Colorado…