Keen Smell. The bear has advantage on WIS (Perception) checks that rely on smell.,
Multiattack. The bear makes two attacks: one with its bite and one with its claws.
Bite. Melee Weapon Attack: +3 to hit, reach 5ft, one target. Hit: 5 (1d6 +2) piercing damage.
Claws. Melee Weapon Attack: +3 to hit, reach 5ft, one target. Hit: 7 (2d4 + 2) slashing damage.
Hold Breath. The crocodile can hold its breath for 15 minutes.
Bite. Melee Weapon Attack:+4 to hit, reach 5 ft., one creature.
Hit:7 (1d10 + 2) piercing damage, and the target is grappled (escape DC 12). Until this grapple ends, the target is restrained, and the crocodile can't bite another target.