Use one of the services below to sign in to PBS: You've just tried to add this video to My List. But first, we need you to sign in to PBS using one of the services below. You've just tried to add ...

The lions wade through water in the dead of night to hunt unsuspecting lechwe antelope.

The mountain lions of Greater Los Angeles are becoming more active at night to cope with humans hiking, cycling and jogging ...

The authors also urge caution when driving at night, when mountain lions living in populated areas ... amount of energy they have to expend for hunting and other needs,” Bolas said.

They can also be extra cautious when driving at night, when mountain lions in populated areas are ... the amount of energy they have to expend for hunting and other needs," Bolas said.