cornbig bach du

== Welsh == === Noun === cornbig bach du m (plural cornbigau bach du or cornbigau bach duon) black dwarf hornbill (Tockus hartlaubi) === Mutation === === Further reading === Cymdeithas Edward Llwyd (2018), “Y Bywiadur”, in Llên natur‎[1], retrieved 20 February 2025