Lion

Large beast, unaligned

Armor Class 12
Hit Points 26 (4d10 + 4)
Speed 50 ft.

Skills Perception +3, Stealth +6
Senses passive Perception 13
Languages --
Challenge 1 (200 XP)

Keen Smell. The lion has advantage on Wisdom (Perception) checks that rely on smell. Pack Tactics. The lion has advantage on an attack roll against a creature if at least one of the lion's allies is within 5 feet of the creature and the ally isn't incapacitated.
Pounce. If the lion moves at least 20 feet straight toward a creature and then hits it with a claw attack on the same turn, that target must succeed on a DC 13 Strength saving throw or be knocked prone. If the target is prone, the lion can make one bite attack against it as a bonus action.
Running Leap. With a 10-foot running start, the lion can long jump up to 25 feet.

Actions

Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 7 (1d8 + 3) piercing damage.
Claw. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 6 (1d6 + 3) slashing damage.