 |
| |||
| beaver; beavers; castor; castors; flannelette | |||
| beaver cloth | |||
| beavers (Castoridae); beavers (Castor); beaver (Castor fiber); Eurasian beaver (Castor fiber); European beaver (Castor fiber) | |||
| American Beaver (Castor canadensis); beaver (Castor canadensis); Canadian Beaver (Castor canadensis); North American Beaver (Castor canadensis) | |||
| Biber: 25 do fraz, 6 tematyki |
| Medycyna | 6 |
| Pospolicie | 2 |
| Rolnictwo | 1 |
| Ssaki | 5 |
| Zasoby naturalne i ochrona dzikiej przyrody | 5 |
| Zoologia | 6 |