Cyanistes caeruleus
Translingual
Cyanistes caerulus
Proper noun
Cyanistes caeruleus m
- A taxonomic species within the family Paridae – the blue tit.
References
Blue tit on Wikipedia.Wikipedia 
Cyanistes caeruleus on Wikispecies.Wikispecies 
Cyanistes caeruleus on Wikimedia Commons.Wikimedia Commons - Cyanistes caeruleus at National Center for Biotechnology Information