Capybear

Hold Breath. Can hold its breath for 30 min.

Keen Smell. Advantage: smell Wis (Percept) checks.

Pack Tactics. Advantage on attacks vs. creature if 1+ unincapacitated attacker ally is within 5 ft. of target.

Pounce. If the capybear moves at least 20' straight toward a creature and then hits it with Slam attack on the same turn that target must make DC 13 Str save or be knocked prone. If the target is prone the capybear can make one Bite attack vs. it as a bonus action.

Swamp Camouflage. Has advantage on Dex (Stealth) checks made to hide in swamps or muddy terrain.

Bite. Melee Weapon Attack: +4 to hit, 5 ft., one target, 9 (2d6+2) piercing damage.

Slam. Melee Weapon Attack: +4 to hit, 5 ft., one target, 7 (2d4+2) bludgeoning damage.

Protect the Community. When another capybear within 5 ft. of this capybear is hit by an attack this capybear can leap in the way becoming the new target of the attack.