 |
wandering | whistling duck
| whistling duck | |
| ornit. | Thalassornis; Thalassornis leuconotus |
| wandering: 24 phrases in 8 subjects |
| Amphibians and reptiles | 1 |
| Biology | 6 |
| Entomology | 2 |
| Health care | 3 |
| Medical | 3 |
| Natural resourses and wildlife conservation | 3 |
| Ornithology | 4 |
| Zoology | 2 |