COI^TEI^TS. 



Page. 



Introduction 5 



Three-toed woodpeckers (Picoides arcticus and Picoides americanus) 5 



California woodpecker ( Melanerpes formidvorus bairdi) 7 



Lewis woodpecker (Asyndesmus lewisi) 8 



Red-bellied woodpecker (Centurus carolinus) 10 



Sapsuckers {Sphyrapicus varius, Sphyrapicus ruber, and Sphyrapicus thyrovkus) . . 12 



Hummingbirds (Archilochus colubris and Calypte anna) 15 



Arkansas kingbird ( Tyrannus verticalis) 18 



Ash-throated flycatcher (Myiarchus cinerascens) 19 



Western yellow-bellied flycatcher (Empidonax diffieilis ) 21 



Homed lark (Otocoris alpestris) 23 



Chipping sparrow {Spizella passerina) 25 



Junco or snowbird (Junco hyemalis) 26 



WHte-crowned sparrow (Zonotrichia leucophrys) 28 



Southern butcher bird [Lanius ludovicianus) 29 



Audubon warbler (Dendroica auduboni) 32 



Ruby-crowned kinglet (Regulus calendula) 34 



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3 



