Mountain lions are elusive beasts, often traveling alone, undetected at night. Their very nature makes them difficult to count. The scat they leave behind, though, that's something an obsessive, ...
Dogs trained to smell mountain lion poop. Studying fungus on cliffs to protect bats. Reintroducing endangered bighorn sheep and frogs. Keeping old apple orchards alive in Yosemite Valley. These are ...
P-33, a female mountain lion, seen in the Santa Monica Mountains National Recreation Area in 2015. Credit: AP/REX/Shutterstock Mountain lions are elusive beasts, often traveling alone, undetected at ...