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Thryothorus ludovicianus
Typically 12.5 to 14 cm (4.9 to 5.5 in) with a 29 cm (11 in) wingspan and a weight of about 18 to 23 g (0.63 to 0.81 oz), it is a fairly large wren; among the United States species it is second largest after the Cactus Wren. Among standard measurements, the wing chord is 5.4 to 6.4 cm (2.1 to 2.5 in), the tail is 4.5 to 5.6 cm (1.8 to 2.2 in), the culmen is 1.4 to 1.8 cm (0.55 to 0.71 in) and the tarsus is 2 to 2.3 cm (0.79 to 0.91 in). The upperparts are rufous brown, and the underparts a strong orange-buff, usually unmarked but faintly barred on the flanks in the southwest of the range. The head has a striking pure white supercilium (eyebrow) and a whitish throat. The race albinucha is duller brown above and has additional white streaking on the head.
Found on the grounds of Tulsa Zoo, Tulsa, Oklahoma.
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