Yellowstone's restored grizzly-bear population and its conflicts with humans are examined, with food the force driving the bears, which have been protected as endangered species for 30 years. That's now challenged by lawmakers, while ecological changes threaten bears' food sources. Chris Cooper narrates.
As avaliações aparecerão aqui assim que os membros compartilharem suas idéias.
Ainda não há músicas
Adicionar trilha sonora
