We don't have synonyms for blue tit yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are bluetit, blue lie and blue jet.
(n) :
A bird of species Cyanistes caeruleus of tits in family Paridae, with an azure blue crown and dark blue line passing through the eye and encircling the white cheeks to the chin.
(n) :
A bird of species Cyanistes teneriffae, which species was formerly included in C. caeruleus, of northwestern Africa.
(n) :
A bird of species Cyanistes caeruleus of tits in family Paridae, with an azure blue crown and dark blue line passing through the eye and encircling the white cheeks to the chin.
(n) :
A bird of species Cyanistes teneriffae, which species was formerly included in C. caeruleus, of northwestern Africa.