Mantidactylus guttulatus 
Mantidactylus opiparis 
Manu Rocket Frog 
Map tree frog 
Marbled frog 
Marbled poison frog 
Marbled Rain Frog 
Marbled Reed Frog 
Marbled salamander 
Marsh Frog 
Maryati's Torrent Frog 
Mascarene Grass Frog 
Masked Tree Frog 
Massif Madagascar Frog 
Matang narrow-mouthed frog 
Mato Grosso Snouted Tree Frog 
Mediterranean tree frog 
Meristogenys poecilus 
Metallic Robber Frog 
Mexican burrowing toad 
Mexican Leaf Frog 
Mexican narrow-mouthed toad 
Mexican white-lipped frog 
Micrixalus elegans