i'd say stupid...

Stupid, definitely.

lol wrong bird to be chasing Mr. Kitty

That eagle's look is telling him how stupid he is.

The cat's tail is up, indicating playfulness. I would vote neither brave, nor stupid, but cunning.

And have a griffin for a baby. Although that cat's not really a lion..

Eagle says, "Hmmm, a meat delivery! So Kind, So Kind!"

They know each other many years.