Altaria and Zangoose are EV trained. Kangaskhan is UT. Here are the EVs and IVs of the Pokemon:
Altaria:
IVs: 31/31/25/17/31/27
EVs: 252 HP, 16 Atk, 176 Sp. Def, 64 Speed
Zangoose:
IVs: flawless
EVs: 6 HP, 252 Atk, 252 Speed
Kangaskhan:
IVs: 31/31/31/14/31/31
EVs: UT