Campylorhynchus

Campylorhynchus is a genus of wrens, which has at least thirteen described species. At 17–22 cm (6.8-8.7 in), these are the largest-bodied of wrens, including the largest species, the Giant Wren. Member species are found in South and Central America and in some cases, as far north as southwestern United States.

Read more about Campylorhynchus:  Species