Pteranodon

Medium beast, unaligned
Armor Class 13 (natural armor)
Hit Points 13 (3d8)
Speed 10 ft., fly 60 ft.
STR
12 (+1)
DEX
15 (+2)
CON
10 (+0)
INT
2 (-4)
WIS
9 (-1)
CHA
5 (-3)
Skills Perception +1
Senses passive Perception 11
Languages -
Challenge 1/4 (50 XP)

Flyby. The pteranodon doesn't provoke an opportunity attack when it flies out of an enemy's reach.

ACTIONS

Bite. Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 6 (2d4 + 1) piercing damage.

These flying reptilian cousins to the dinosaurs have no teeth, instead using their sharp beaks to stab prey too large to swallow with one gulp.
Monster Manual (SRD) D&D 5 › Monsters