Split in the IOC taxonomy from the Plain Wren along with Cabanis's Wren. Described by HBW as having a yellow eye. Cabanis's Wren has an dark orange eye, as seen on this bird. Birds east of central Costa Rica should be the Isthmian Wren, which have duller colors. | ||||||
Similar and often considered conspecific with the Isthmian Wren. Split from the Plain Wren. | ||||||
A small wren, but perhaps the loudest wren. Nest | ||||||
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Once included with the Plain Wren. Differences are vocal, greyer back, paler flanks and slightly larger size (HBW). | ||||||
