Scientific name: Spinus spinus
An attractive, green-and-yellow bird, the Siskin regularly visits birdtables and feeders in gardens. Look for the bright yellow barring on its black wings, and the black crown of the males.
Average lifespan: 2 years
Classified in the UK as Green under the Birds of Conservation Concern 4: the Red List for Birds (2015). Protected in the UK under the Wildlife and Countryside Act, 1981.