Sistrurus catenatus

Karner Blue Butterfly and Eastern Massasauga Rattlesnake, Wisconsin: Over the past 2 years, Wisconsin's Karner blue butterfly (Lycaeides melissa samuelis) and eastern massasauga rattlesnake (Sistrurus catenatus catenatus) Endangered Species Landowner Incentive Program has worked with 178 landowners contributing over 3,137 acres (1,270 ha) of habitat restoration and protection in the oak and pine barren regions of central Wisconsin.

The Service's Wisconsin Private Lands Office and its three Service partners (Necedah National Wildlife Refuge, Green Bay Ecological Services Field Office, and Leopold Wetland Management District) received an ESLIP grant in 1999 to promote conservation of the Karner blue butterfly and eastern massasauga rattlesnake (Sistrurus catenatus catenatus) in voluntary cooperation with private landowners.

Movements and habitat utilization by the massasaunga, Sistrurus catenatus catenatus. J.

Other species are considered at risk in Canada but are found more commonly in the U.S., such as the sage grouse (Centrocercus urophasianus urophasianus), northern bobwhite (Colinus virginianus), burrowing owl (Speotyto cunicularia), eastern Massasauga rattlesnake (Sistrurus catenatus catenatus), and spiny softshell turtle (Apalone spinifera).