| Terms for subject Ornithology (63 entries) |
| agerhøne | petrisen | |
| allike | jac-y-do | |
| allike | jac-do | |
| alpeallike | brân goesgoch | |
| and | hwyaden | |
| due | ysguthan | |
| due | colomen | |
| duehøg | gwalch marthin | |
| dværgspætte | cnocell fraith leiaf | |
| falk (vandrefalk) | hebog | |
| fasan | ffesant | |
| grib (gåsegrib) | fwltur | |
| grib (gåsegrib) | fultur | |
| gråand | hwyaden wyllt | |
| grågås | gŵydd wyllt | |
| grønspætte | cnocell werdd | |
| gås | gŵydd | |
| gøg | cog | |
| hejre (fiskehejre) | crëyr | |
| høne | cyw |