adar du

== Welsh == === Alternative forms === adar duon === Pronunciation === (North Wales) IPA(key): /ˌadar ˈdɨː/ (South Wales) IPA(key): /ˌa(ː)dar ˈdiː/ === Noun === adar du (plural, singular aderyn du m) blackbirds (Turdus merula) Synonym: mwyeilch puffins (Fratercula arctica) Synonym: palod === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “adar du”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies