Cardueliden.de - Information about biology, keeping and breeding of carduelan finches. www.cardueliden.de
Carduelis carduelis - Food, voices and movements of the goldfinch in Britain. www.akra.gs.rl.no/copol/teaching%5Fmaterials/fauna%5Fflora/ireland/goldfinch_carduelis_carduelis.htm
Carduelis carduelis - New Zealand introduced bird, the goldfinch. nzbirds.com/Goldfinch.html
Carduelis flammea - A short description of the common redpoll and its subspecies. birdsource.cornell.edu/gbbc/birdid/core/index.html
Carduelis pinus - Biennial irruptions of pine siskins. birdsource.cornell.edu/results/irruptions.htm
Carduelis tristis - A comprehensive article about an american goldfinch. www.cws-scf.ec.gc.ca/hww-fap/agfinch/agfinch.html
International Carduelan Society - Organization to bring together individuals who share a common interest in breeding carduelan species in captivity. members.tripod.com/~carduelan_society
Serinus mozambicus - Biology, keeping, feeding and breeding. www.girlitz.de/indexe.html
