n large animal 

Perception +8; darkvision, scent (imprecise) 30 feet

Skills Acrobatics +7, Athletics +7, Survival +6

Str +3 Dex +3 Con +2 Int -4 Wis +2 Cha +0

AC  18; Fort +8, Ref +9, Will +6

HP 32

Buck [R] DC 17

Speed 30 feet, fly 65 feet

Melee [>] beak +9, Damage 1d10+3 piercing

Melee [>] talon +9 (agile), Damage 1d6+3 slashing

Melee [>] wing +9 (reach 10 feet), Damage 1d6+3 bludgeoning

Flying Strafe [>>] The hippogriff Flies up to its fly speed and makes two talon Strikes at any point during that movement. Each Strike must target a different creature. The attacks take the normal multiple attack penalty.

Bestiary 2, page 143.