Keen Sight
The gryphon has Advantage on Wisdom (Perception) checks that rely on sight.
Danger Sense
The gryphon has Advantage on Dexterity Saving Throws against effects it can see.
Twin Tactics
The gryphon has Advantage on its first attack roll against a creature that its twin, the Black Gryphon, took an attack action against its previous turn.
Multiattack
The gryphon makes two attacks: one with its Beak and one with its Claws.
Beak
Melee Weapon Attack: +6 1d20+6 to hit, reach 5 ft., one target. Hit: 1d8+4 piercing damage.
Claws
Melee Weapon Attack: +6 1d20+6 to hit, reach 5 ft., one target. Hit: 2d6+4 slashing damage.