Finch detective

Chaffinch Greenfinch Bullfinch Hawfinch Siskin

Goldfinch Brambling Linnet Redpoll Twite

Pictures: Chaffinch, Goldfinch and Linnet (c) Amy Lewis / Greenfinch (c) Gillian Day / Bullfinch (c) David Longshaw / Hawfinch, Brambling and Redpoll (c) Margaret Holland / Siskin and Twite (c) Tom Marshall