- Magnificent Frigatebird
- Malabar Pied Hornbill
- Mallard
- Mandarin Duck
- Mangrove Swallow
- Marabou Stork
- Marsh Sandpiper
- Marsh Tit
- Meadow Pipit
- Mediterranean Gull
- Melodious Blackbird
- Melodious Warbler
- Mew Gull
- Mexican Violetear
- Middle Spotted Woodpecker
- Mistle Thrush
- Mistletoe Tyrannulet
- Monk Parakeet
- Montezuma Oropendola
- Mourning Collared Dove
- Mourning Dove
- Mute Swan