Draptor: Invasions with warning in Muggy Plains and without warning at wote's drakens
Crustacea Gigantica: Invasions in Calassa, Oramond and Meriana. Treasure Island. (You can force the respawn in Oramond)
Crystal Wolf: Each 3 days aprox ~2-3 days the Thornfire world change is active and you have the chance to tame
Undead Cavebear: Invasions in each 3 days aprox in Lich Hell
Midnight Panther: Invasions in each 4 days aprox ~3 days in Tiquanda
Ladybug: You can only find when Hive is on third stage
Ursagrodon: Only possible to tame during april
Dragonling: Only appears when Fury Gate or Goroma's Volcano is active
Water Buffalo: They appear each 4 hours counting by server save