Family TROGLODYTIDA. Genus 
THRYOMANHS. 
TROGLODYTES. 
NANNUS. 
CISTOTHORUS. 
TELMATODYTES. 
Family CERTHIDA. Genus 
CERTHIA. 
Family PARIDAD. Genus 
SITTA. 
BASOLOPHUS. 
PENTHESTES. 
AURIPARUS. 
Family SYLLVIIDA. Genus 
REGULUS. 
POLIOPTILA. 
Family TURDIDA. Genus 
HYLOCICHLA. 
PLANESTICUS. 
SAXICOLA. 
SIALIA. 
223 
Bewick Wren. 
House Wren. 
Winter Wren. 
Short-bill Marsh Wren. 
Long-bill Marsh Wren. 
Brown Creeper. 
Nuthatches. 
Titmice. 
Chickadees. 
Verdin. 
Kinglets. 
Gnatcatchers. 
Thrushes. 
Robins. 
Wheatear. 
Bluebird. 
