Monsters by Terrain and Frequency on That Terrain
 
 

Aquatic

Cold

Temperate

Tropical

Astral && Ethereal

MM2

 
 

Cold, Civilized Mountains	Cold, Civilized Hills	Cold, Civilized Forest	Cold, Civilized Swamp	Cold, Civilized Plains	Cold, Civilized Desert
Cold, Wilderness Mountains	Cold, Wilderness Mountains	Cold, Wilderness Forest	Cold, Wilderness Swamp	Cold, Wilderness Plains	Cold, Wilderness Desert

 

Temperate, Civilized Mountains	Temperate, Civilized Hills	Temperate, Civilized Forest	Temperate, Civilized Swamp	Temperate, Civilized Plains	Temperate, Civilized Desert
Temperate, Wilderness Mountains	-	-	-	-	-