- Cougar (Felis concolor) - Photos plus brief facts about this mammal.
- Eastern Cougar Foundation - Dedicated to scientific documentation of cougars in eastern North America.
- Florida Panther Net - Official Education Site - Official education site for the endangered subspecies of cougar known as the Florida Panther.
- Living with Wildlife: Cougars - The Washington Department of Fish and Wildlife provides information on Puma concolor and its interactions with humans.
- Living with Wildlife: Mountain Lions - The Washington Department of Fish and Wildlife Provides information on cougars, their natural history and interactions with man.
- Mountain Lion Factsheet - Information on this species from Texas Parks and Wildlife.
- Mountain Lion Foundation - A non-profit organization dedicated to preserving the Mountain Lion and its habitat.
- Mountain Lion: An Unnatural History of Pumas and People - Article by Chris Bolgiano on the relationships that the Pueblos, Hopis and Navajos have always had with the mountain lion.
- Mountain Lions - Brief information about Felis concolor.
- Puma concolor - Research project by Amy Cory on this species, including its classification, habitat, reproduction, adaptations, nutrition and interactions with other species.