Moustached warbler 
Mrs. Gould's Sunbird 
Mugimaki flycatcher 
Multicoloured tanager 
Munchique wood wren 
Musician wren 
Myrtle warbler 
Myzomela erythrocephala 
Narrow-billed woodcreeper 
Nashville Warbler 
Nashville warbler 
Neblina tapaculo 
Necklaced spinetail 
Neddicky 
Nelicourvi Weaver 
Nelson's sparrow 
New Holland Honeyeater 
New Zealand bellbird 
New Zealand fantail 
New Zealand fernbird 
Newton's sunbird 
Nicaraguan grackle 
Nicaraguan Seed-Finch 
Nilgiri Pipit