Wrens range in length from 3.5 to 9 inches (9 to 22 centimeters) and weigh between 0.3 and 2 ounces (8 and 57 grams). This songbird of the undergrowth and scrub has feathers that are generally brown or gray-brown. Its wings are short and rounded. They carry their tails in an upright position. Some of them have prominent bars or spotting on the underparts as well as barring on their tails. Both the male and female look alike. They do not have different colors during breeding. Their bills tend to be thin, long, and curved.
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