Leopards

cubs
source:http://news.nationalgeographic.com

threatening

source:http://www.picarena.com

hunting
source:http://animalszooguru.blogspot.com

cub climbing
Source: http://www.hsd3.org

Leopards are the best tree climbers of the big cats.  They can drag prey up to twice their size up a tree.  For their size, they are the strongest of the big cats.  They hunt at night and are solitary creatures.