Natural weapons have types just as other weapons do. The most common are summarized below.
Bite
The creature attacks with its mouth, dealing piercing, slashing, and bludgeoning damage.
Claw or Talon
The creature rips with a sharp appendage, dealing piercing and slashing damage.
Gore
The creature spears the opponent with an antler, horn, or similar appendage, dealing piercing damage.
Slap or Slam
The creature batters opponents with an appendage, dealing bludgeoning damage.
Sting
The creature stabs with a stinger, dealing piercing damage. Sting attacks usually deal damage from poison in addition to hit point damage.
Tentacle
The creature flails at opponents with a powerful tentacle, dealing bludgeoning (and sometimes slashing) damage.