 |
| |||
| cliff swallow (Petrochelidon); rock swallow (Ptyonoprogne rupestris) | |||
| crag martin (Ptyonoprogne rupestris) | |||
| горная ласточка: 16 phrases in 2 subjects |
| Biology | 1 |
| Ornithology | 15 |
|
| |||
| cliff swallow (Petrochelidon); rock swallow (Ptyonoprogne rupestris) | |||
| crag martin (Ptyonoprogne rupestris) | |||
| горная ласточка: 16 phrases in 2 subjects |
| Biology | 1 |
| Ornithology | 15 |