Parus Caeruleus is the scientific name for the Eurasian Blue Tit bird, which is a small passerine bird found in Europe, western Asia, and northern Africa. There are several synonyms of the scientific name that are commonly used such as Cyanistes Caeruleus, Lophophanes Caeruleus, and Parus Blue. These synonyms come from different taxonomic classification systems that have been used in the past. However, the current classification system recognizes only the scientific name of Parus Caeruleus. This colorful bird is highly recognizable with its vibrant blue and yellow head and body feathers, and is a common sight in gardens, woodlands, and parks across its range.