Goldfinches, Genus Carduelis, are related to Purple Finches, Bullfinches, Canaries, and Grosbeaks.
This category contains classification, appearance, nesting, diet, distribution, migration, habitat, threats, status, and conservation information.
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American Goldfinch (Carduelis tristis)
Gives details on appearance, population, life history, video, call, maps, and classification. From the United States Geological Service.
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American Goldfinch (Carduelis tristis)
Features photographs, places seen, appearance at different stages, overview, habitat, and nesting.
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ARKive.org: Goldfinch (Carduelis carduelis)
Looks at other names, size, appearance, locations, habitat, diet, threats, status, and conservation. Includes photographs.
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ARKive.org: Greenfinch (Carduelis chloris)
Features related species, pictures, description, classification, other names, locations, feeding habits, and conservation.
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ARKive.org: Linnet (Carduelis cannabina)
Combines photographs and videos with details on status and protection, physical appearance, diet and feeding, threats, conservation, and distribution.
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Common Linnet (Carduelis cannabina)
British Garden Birds gives statistics, images, description, voice, feeding, nesting, and conservation.
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Enchanted Learning: American Goldfinch
Features labeled coloring page, description, anatomy, diet, nest and eggs, and classification.
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European Greenfinch (Carduelis chloris)
Reports appearance, measurements, sound clips, diet, nesting, breeding data, migration, and conservation. With photographs.
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Hoary Redpoll (Carduelis hornemanni)
From the US Geological Service, covers description, similar birds, life history, map, and taxonomy.
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Lawrence's Goldfinch (Carduelis lawrencei)
Description, from Audubon WatchList, covers appearance, distribution, population trends, ecology, human impact, and conservation research.
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Lawrence's Goldfinch (Carduelis lawrencei)
US Geological Service explores appearance, migration, nesting, diet, population counts, and classification information. Includes picture.
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Lesser Goldfinch (Carduelis psaltria)
Photograph accompanies identification, migration, habitat, diet, population maps, and taxonomy details.
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Pine Siskin (Carduelis pinus)
Furnishes physical description, maps, taxonomy, migration, nesting, and diet information.
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USGS: Common Redpoll (Carduelis flammea)
Describes appearance, similar birds, migration, nesting, population map, and classification.