| Thick-billed siskin | |
|---|---|
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| Male | |
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| Female | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Passeriformes |
| Family: | Fringillidae |
| Subfamily: | Carduelinae |
| Genus: | Spinus |
| Species: | S. crassirostris
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| Binomial name | |
| Spinus crassirostris (Landbeck, 1877)
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| Synonyms | |
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Sporagra crassirostris | |
The thick-billed siskin (Spinus crassirostris) is a species of finch in the family Fringillidae. Found in Argentina, Bolivia, Chile, and Peru, its natural habitats are subtropical or tropical moist montane forests and subtropical or tropical high-altitude shrubland.
- ^ BirdLife International (2018). "Spinus crassirostris". IUCN Red List of Threatened Species. 2018: e.T22720380A132138421. doi:10.2305/IUCN.UK.2018-2.RLTS.T22720380A132138421.en. Retrieved 12 November 2021.