The U. S. Fish and Wildlife Service has released the final recovery plan of the endangered Karner Blue butterfly. The butterfly, which depends on savanna and barren habitats and the wild lupine plants ...

The Karner blue butterfly, once thought to have vanished from parts of Michigan, is back. According to MLive, researchers documented the federally endangered insect this summer in the Muskegon State ...

Little sections of the Indiana Dunes provide an oasis in a world that is basically a desert to the Karner blue butterfly. This beautiful species of butterfly has seen its population nearly disappear ...

The Karner blue butterfly is one of many species of butterflies that depend on specific host plants. Because the caterpillars only feed on blue lupine plants, they depend on hatching at the right time ...

The bloom of a wild lupine plant emerges from the ground at the Sandhill Wildlife Refuge in Babcock, Wis., as Bob Hess, a conservation biologist with the Wisconsin Department of Natural Resources a ...

Lupinus perennis, commonly called Wild or Sundial Lupine, is the only food source for the endangered Karner Blue butterfly. Courtesy of Prairie Moon Nursery I love children’s picture books. They are ...

ALBANY, N.Y. (AP) — More than 20 years of habitat restoration and breeding programs have helped the endangered Karner blue butterfly make a comeback in the pine barrens of upstate New York where it ...