 |
| |||
| sulphur-crested cockatoo (Kakatoe galerita); sulfur-crested cockatoo (Irina Mayorova) | |||
| sulphur-crested cockatoo (Kokatoe galerita) | |||
| жёлтохохлый какаду: 7 phrases in 2 subjects |
| Biology | 3 |
| Ornithology | 4 |
|
| |||
| sulphur-crested cockatoo (Kakatoe galerita); sulfur-crested cockatoo (Irina Mayorova) | |||
| sulphur-crested cockatoo (Kokatoe galerita) | |||
| жёлтохохлый какаду: 7 phrases in 2 subjects |
| Biology | 3 |
| Ornithology | 4 |