Contents How many animals are used in experiments each year? Which animals are used in experiments? What kinds of experiments are animals used in? What kinds of institutions use animals in experiments? Where do laboratories get the animals they use in experiments? What is life like for animals in...

Once robust, populations of cougars (also known as mountain lions or pumas) have declined drastically across most of their range in the Americas. The population decline is due to the impact of extensive hunting and predator control, in addition to continued habitat loss and fragmentation. Cougars...