Carduelis Spinus is the scientific name for the Eurasian siskin, often referred to as the Common siskin. As for the synonyms of this tiny, yellow-tinged bird, there are a few worth mentioning. Some of the alternate names for the Carduelis Spinus include the European Siskin, Spruce Siskin, and the Black-headed Siskin. It is a migratory bird that belongs to the finch family, Fringillidae, which is native to Europe and Asia. These birds are known for their distinctive appearance and lively behavior. They primarily feed on pine and spruce seeds and often feed in flocks. The Common siskin is a beautiful bird, and its synonyms only add to its charm.