suboscines; Tyranni
A taxonomic term in ornithology referring to the suborder Tyranni, a group of songbirds distinct from the oscines. Used in scientific contexts.
Suboscines are known for having less developed syrinx muscles.
鳴禽類 refers to oscines (songbirds of suborder Passeri), while 亜鳴禽類 refers to the suboscines (suborder Tyranni), a distinct group within the passerines.
From 亜 (sub-) + 鳴禽類 (songbirds), a calque of the taxonomic term 'suboscines'.