Ho-Oh’s feathers glow in seven colors depending on the angle at which they are struck by light. These feathers are said to bring happiness to the bearers. This Pokémon is said to live at the foot of a rainbow. It will reveal itself before a pure-hearted Trainer by shining its bright, rainbow-colored wings. A legend says that its body glows in seven colors. A rainbow is said to form behind it when it flies.
Pokédex entry #250
Ho-oh is a type fire and flying Pokémon that doesn't evolve
Ho-oh in Pokémon GO
It's possible to hatch Ho-oh from an egg?
No, Ho-oh can't be hatched.
Which are Ho-oh’s strengths and weaknesses?
Ho-oh is a fire and flying type Pokémon. fire type pokémons are strong against grass, ice, bug, steel, fairy pokémons but weak against fire, water, rock, dragon pokémons. flying type pokémons are strong against grass, fighting, bug pokémons but weak against electric, rock pokémons.