Cudyll
Aderyn rheibiol yw'r cudyll. Ceir sawl rhywogaeth:
- Cudyll Coch Lleiaf (Lesser Kestrel, Falco naumanni)
- Cudyll Coch (Kestrel, Falco tinnunculus)
- Cudyll Coch America, (American Kestrel, Falco sparverius)
- Cudyll Troedgoch (Red-footed Falcon, Falco vespertinus)
- Cudyll Bach (Merlin, Falco columbarius)
