Blue tit

Cyanistes is a genus of tits. It is frequently subsumed into Parus. It consists of a number of small species found in temperate Europe and Asia and Northern Africa The species are:
 * Eurasian Blue Tit, Cyanistes caeruleus
 * Azure Tit, Cyanistes cyanus
 * Yellow-breasted Tit, Cyanistes cyanus flavipectus
 * Palma Blue Tit, Cyanistes palmensis
 * Libyan Blue Tit, Cyanistes cyrenaicae
 * Canary Blue Tit, Cyanistes teneriffae
 * Ultramarine Tit, Cyanistes ultramarinus

Cyanis rosopteryx is a fictional bio-luminescent variant appearing in the film Journey to the Center of the Earth.