The brambling finch, Fringilla montifringilla.
"The rare kate was spotted singing in the heathland during spring migration."
"Kate is often used to refer to Katerina, but since there are no widely recognized common nouns with exactly this spelling in general dictionaries (it usually appears only as a proper name), please clarify if you meant a different word like "coat," "cat," or perhaps the surname itself."
Usage: Kate refers to a specific species of small European finch known as the brambling and is not used in general conversation or common contexts outside of ornithology. There are no everyday synonyms or frequent confusion points for this term since it denotes only one particular bird type.
A diminutive of the female given name Katherine and related names, also used as a formal given name.
"Kate arrived early to help her grandmother bake cookies."