Species concept | American Ornithologists' Union 1st edition (1886) | American Ornithologists' Union 2nd edition (1895) | American Ornithologists' Union 3rd edition (1910) | American Ornithologists' Union 4th edition (1931) | American Ornithologists' Union 5th edition (1957) | American Ornithologists' Union 6th edition (1983) | American Ornithologists' Union 7th edition (1998) | American Ornithologists' Society 7th edition (incl. 62nd suppl.) |
---|---|---|---|---|---|---|---|---|
* Alca torda← | Alca torda Razor-billed Auk |
Alca torda Razor-billed Auk |
Alca torda Razor-billed Auk |
Alca torda Razor-billed Auk |
Alca torda Razorbill |
Alca torda Razorbill |
Alca torda Razorbill |
Alca torda Razorbill |
Alca torda torda | |
|
|
|
Alca torda torda |
|
|
|
Alca torda torda (torda) | |
|
|
|
|
|
|
|
[Alca torda torda (pica)] | |
|
|
|
|
|
|
|
Alca torda islandica | |
|
|
|
|
|
|
|
Alca torda islandica (islandica) | |
|
|
|
|
|
|
|
[Alca torda islandica (britannica)] | |
|
|
|
|
|
|
|
Avibase has been visited 342,000,872 times since 24 June 2003. © Denis Lepage | Privacy policy