| Picture | Answer | % Correct |
|---|---|---|
![]() | Cygnus olor | 100%
|
![]() | (Chenopis) Cygnus atratus | 86%
|
![]() | Cygnus buccinator | 71%
|
![]() | Cygnus columbianus | 57%
|
![]() | Cygnus cygnus | 57%
|
![]() | (Sthenelides) Cygnus melancoryphus | 57%
|
![]() | Coscoroba coscoroba | 43%
|