| Picture | Answer | % Correct |
|---|---|---|
![]() | Cygnus olor | 100%
|
![]() | (Chenopis) Cygnus atratus | 83%
|
![]() | Cygnus buccinator | 67%
|
![]() | Cygnus columbianus | 50%
|
![]() | Cygnus cygnus | 50%
|
![]() | (Sthenelides) Cygnus melancoryphus | 50%
|
![]() | Coscoroba coscoroba | 33%
|