CONTENTS 



Page 



Introduction ix 



Order Passeriformes 



Family Sittidae: Nuthatches ._ 



Sitta carolinensis cookei: White-breasted nuthatch 



Habits 



Distribution 1] 



Sitta carolinensis carolinensis: Florida nuthatch 12 



Habits 12 



Sitta carolinensis nelsoni: Rocky Mountain nuthatch 14 



Habits 14 



Sitta carolinensis aculeata: Slender-billed nuthatch 17 



Habits 17 



Sitta carolinensis tenuissima: Inyo nuthatch 19 



Habits 19 



Sitta carolinensis alexandrae: San Pedro nuthatch 20 



Habits . 20 



Sitta carolinensis lagunae: San Lucas nuthatch 21 



Habits... 21 



Sitta carolinensis mexicana: Mexican white-breasted nuthatch 21 



Sitta canadensis: Red-breasted nuthatch 22 



Habits 22 



Distribution 33 



Sitta pusilla pusilla : Brown-headed nuthatch 35 



Habits 35 



Distribution 41 



Sitta pusilla caniceps : Gray-headed nuthatch 42 



Habits 42 



Sitta pygmaea pygmaea : Pygmy nuthatch 44 



Habits . 44 



Distribution 46 



Sitta pygmaea melanotis : Black-eared nuthatch 47 



Habits 47 



Sitta p3'gmaea leuconucha: White-naped nuthatch 54 



Habits 54 



Sitta pygmaea canescens: Nevada nuthatch 55 



Family Certhiidae: Creepers 56 



Certhia familiaris americana: Brown creeper 56 



Habits 56 



Distribution 68 



Certhia familiaris nigrescens: Southern creeper 71 



Certhia familiaris montana : Rocky Mountain creeper 71 



Habits 71 



Certhia familiaris albescens : Mexican creeper 72 



Habits... 72 



