Falcons

Falcons would be found in the mountains or rarely in things and forests. They would be a neutral mob, but we can tame them. If we have some meat/fish in our hand, a falcon would approach us, but will act as a cat, fleeing if we move too much. 

A tamed falcon can sit on a player secondary hand, if it has a Leather gauntlet, made with 8 Leather pieces. A falcon will act like a wolf, and can stand on blocks and armor stands. We can also command to our falcon to attack a target, by indicating it with the pointer, and then releasing the falcon. A falcon would do 3 hearts of damage, piercing through the Protection enchantment. 

This would be a cool addition  alongside the new mountains