The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
(first | last) View (previous 50 | next 50) (20 | 50 | 100 | 250 | 500)- Menorca (10 members)
- Mentrocrex (2 members)
- Menura (2 members)
- Menuridae (1 member)
- Merganetta (1 member)
- Merge (0 members)
- Mergellus (1 member)
- Mergus (5 members)
- Meropidae (3 members)
- Meropogon (1 member)
- Merops (23 members)
- Merseyside (4 members)
- Merulaxis (2 members)
- Mesembrinibis (1 member)
- Mesia (1 member)
- Mesitornis (2 members)
- Mesitornithidae (2 members)
- Mesitornithiformes (1 member)
- Mesophoyx (1 member)
- Metabolus (1 member)
- Metallura (9 members)
- Metopidius (1 member)
- Metopothrix (1 member)
- Metriopelia (4 members)
- Mexico (37 members)
- Michigan (1 member)
- Micrastur (7 members)
- Micrathene (1 member)
- Microbates (2 members)
- Microcarbo (5 members)
- Microcerculus (4 members)
- Microchera (1 member)
- Micrococcyx (0 members)
- Microdynamis (1 member)
- Microeca (6 members)
- Microgoura (1 member)
- Microhierax (5 members)
- Microligea (1 member)
- Micromacronus (2 members)
- Micromonacha (1 member)
- Micronesia (0 members)
- Micronisus (1 member)
- Micropalama (0 members)
- Microparra (1 member)
- Micropsitta (6 members)
- Micropternus (1 member)
- Micropygia (1 member)
- Microrhopias (1 member)
- Microstilbon (1 member)
- Microtarsus (1 member)


