A Bobcat would defend her kits from an intrusive bear, yes. Otherwise, probably not.
Some bears fight for things like fish and other foods. Female bears fight other bears of to get food for there cubs.
Coyote's, Cougars, Bobcats, Foxes, Lynxes, Grizzly Bears, Black Bears, Raccoons, Bald Eagles, Falcons and many others
The two black bears would win the fight because they together weigh as much as a grizzly bear, and have bad aggressions. The grizzly bear would injure the two black bears after the two black bears killed the grizzly bear.
The three black bears would win, but they would be badly injured.
Dholes actually are said to avoid bears, like sloth bears, sun bears, and asiatic black bears because of their aggressive behavior. The red dog would run away before it got a chance to do anything to the asiatic black bear. Asiatic black bears are about 3 times the size of them, and asiatic black bears can even fight with adult male tigers.
No, bobcats are too small to tackle bears. Actually, bobcats are listed as predators for cubs, when they are small, so yes, bobcats can eat grizzly bears, but it's rare (they have to find them very young and away from it's mother). It won't take long for a grizzly cub to out grow a bobcat.
No. Hyena's live nowhere in the USA, infact. Oklahoma's main predators are coyote's, bobcats, cougars, and black bears.
Predators such as bears, bobcats, and wolves.
Cougars/bobcats, Man & Bears.
Humans hunt and eat red deer, as to European wolves, European black bears, bobcats and feral dogs.
Black bears usually flee from the bigger, stronger brown bear.
Man, feral dogs, wolves & coyotes, crows, hawks & eagles, raccoons, alligators, bobcats, black bears, river otters, and snakes.