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Carduelis tristis
The American Goldfinch is a small finch, 11–14 centimeters (4.3–5.5 in) long, with a wingspan of 19–22 centimeters (7.5–8.7 in). It weighs between 11–20 grams (0.39–0.71 oz). Among standard measurements, the wing chord is 6.5 to 7.8 cm (2.6 to 3.1 in), the tail is 4.2 to 5.1 cm (1.7 to 2.0 in), the culmen is 0.9 to 1.1 cm (0.35 to 0.43 in) and the tarsus is 1.2 to 1.4 cm (0.47 to 0.55 in). The beak is small, conical, and pink for most of the year, but turns bright orange with the spring molt in both sexes. The shape and size of the beak aid in the extraction of seeds from the seed heads of thistles, sunflowers, and other plants.
This bird was found near Oxley Nature Center, Tulsa, OK, USA.
1 Comment
Nice! I have posted six so far this year. I love how melodic they are!