Ever look at a male lion in a zoo?

Suddenly from the grass, maybe 75 feet in front of us, a male lion stood up and roared.

The male lion leaped out first and then the female followed.

Simba, as a male lion from a particular family, was born to rule.

In smaller groups male lions are thought to share a "mutual dependence".

When he saw the sheer size of this fully grown male lion, h& understood why.

But is kinship really an important driving force behind cooperation in male lions?

"If it did, wouldn't be many male lions left in the world, Kirk."

The biggest member of the cat family is the male lion.

There is something about a male lion with long hair, too, though not, perhaps, what might be expected.