noun
Lidth's jay
A bird species (Garrulus lidthi) native to the Ryukyu Islands; the name is a specific zoological term.
ルリカケスは奄美大島の固有種です。
The Lidth's jay is an endemic species of Amami Ōshima.
The name combines 瑠璃 (lapis lazuli, referring to the blue color) and 懸巣 (an old name for the Eurasian jay). The exact derivation is uncertain, but it describes the bird's appearance and its relation to jays.