FAMILY TROGLODYTIDAE 



65 



The bird watcher familiar with the desert areas of southwestern 

 United States and Mexico should easily recognize this species as a 

 "cactus wren" from its colors and plumage pattern, but may be un- 

 certain when he sees the birds ranging in tangles of vines, tropical 

 shrubbery, and low-growing palms in fairly dense, humid jungle. 

 Often they are found in small bands of half a dozen that move about 



Figure 9. — Band-backed Wren, Cucarachero Listado, Campylorhynchus zonatus 



costaricensis. 



with the usual curious jumble of croaking, rattling calls, differing 

 mainly from their northern cousins in the darker pattern of their mark- 

 ings. 



Skutch (Pacific Coast Avifauna, no. 34, 1960, pp. 186-201) gives a 

 detailed account of their activities in Costa Rica and elsewhere in the 



