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Carduelis tristis (Linnaeus, 1758) The American goldfinch ( Spinus tristis ) is a small North American bird in the finch family . It is migratory , ranging from mid- Alberta to North Carolina during the breeding season , and from just south of the Canada–United States border to Mexico during the winter.
Wyróżnia się cztery podgatunki S. tristis: S. tristis pallidus Mearns, 1890; S. tristis jewetti van Rossem, 1943; S. tristis salicamans Grinnell, 1897; S. tristis tristis (Linnaeus, 1758) Morfologia. Długość ciała 11,5–13 cm. Masa ciała 10–13 g (latem), 13–20 g (zimą).
The American goldfinch is a small North American bird in the finch family. It is migratory, ranging from mid-Alberta to North Carolina during the breeding season, and from just south of the Canada–United States border to Mexico during the winter. Source: Wikipedia.
American Goldfinch (Carduelis tristis) The Eastern or American Goldfinch , Latin name Carduelis tristis , is a member of the finch, Fringillidae, family. It is a typical North American seed eating bird and so only starts nesting in mid to late summer, when weed seeds are available.
ADW: Carduelis tristis: INFORMATION. Carduelis tristis American goldfinch. By Stephanie Nicholas and Catherine Kent. Geographic Range. Habitat. Physical Description. Reproduction. Lifespan/Longevity. Behavior. Communication and Perception. Food Habits. Predation. Ecosystem Roles. Economic Importance for Humans: Positive.
8 cze 2011 · Male, summer: A small yellow bird with black wings; tail and forehead also black. Female, summer: Dull yellow-olive; darker above, with blackish wings and conspicuous wing bars. Goldfinches are distinguished from other small, olive-yellow birds (warblers, etc.) by their short, conical bills.
11 lip 2023 · American or Eastern Goldfinch. Gordon Ramel July 11, 2023. 0 104 6 minutes read. The American Goldfinches ( Carduelis tristis) – or simply Goldfinches – are migratory North American finches found across most of North America – from southern Canada through United States into Mexico.
