 |
| |||
| dauphins d'eau douce (Platanistidae); dauphins de rivières (Platanistidae); platanistidés m (Platanistidae) | |||
| dauphins de rivière (Platanistoidea) | |||
| river dolphins: 14 phrases in 6 subjects |
| Environment | 5 |
| Ichthyology | 2 |
| Life sciences | 1 |
| Mammals | 4 |
| Natural resourses and wildlife conservation | 1 |
| Zoology | 1 |