Vocal-clips:

If flying/wandering: *various chirps and calls*

If startled by player (must be punched while wild to achieve this status): AHHH! (These lines are reused when leveling up)

If punched/hurt in any manner: ACH! ULGH-WUAGH! (Same lines as Coelacanth)

If killed or while unconscious/asleep: EEEEEEEEH! (Reused Coelacanth death-sounds)

More Pteranodon Encountering Tips