CONTENTS 



Page 



Introduction ix 



Order Passeriformes 1 



Familj' Cotingidae: Cotingas 1 



Platypsaris aglaiae albiventris: Xantus's becard 1 



Habits 1 



Distribution 11 



Family Tyrannidae: Tyrant flycatchers 11 



Tyrannus tyrannus: Eastern kingbird 11 



Habits 11 



Distribution 27 



Tyrannus dominicensis dominicensis: Gray kingbird 29 



Habits 29 



Distribution 49 



Tyrannus melancholicus couchi: Couch's kingbird 50 



Habits 50 



Distribution 53 



Tyrannus melancholicus chloronotus: Lichtenstein's kingbird 54 



Habits 54 



Tyrannus melancholicus occidentalis: West Mexican kingbird 56 



Habits 56 



Tyrannus verticalis: Arkansas kingbird 57 



Habits 57 



Distribution 68 



Tyrannus vociferans: Cassin's kingbird 70 



Habits 70 



Distribution 75 



Muscivora tyrannus: Fork-tailed flycatcher 76 



Habits 76 



Distribution 81 



Muscivora forficata: Scissor-tailed flycatcher 82 



Habits 82 



Distribution 91 



Pitangus sulphuratus derbianus: Derby flycatcher 92 



Habits 92 



Distribution 97 



Myiodynastes luteiventris swarthi: Arizona sulphur-bellied fly- 

 catcher 98 



Habits 98 



Distribution 105 



Myiarchus crinitus boreus: Northern crested flycatcher 106 



Habits 106 



Distribution 120 



Myiarchus crinitus crinitus: Southern crested flycatcher 122 



Habits 122 



ni 



