CONTENTS 
Page 
INTRODUCTION—By Florence Merriam Bailey. 1 
Acknowledgments. 1 
Distribution of Birds in New Mexico. 5 
Zonal Distribution of Breeding Birds. 6 
Lower Sonoran Zone... 6 
Upper Sonoran Zone. 7 
Transition Zone. 7 
Canadian Zone. 8 
Hudsonian Zone. 8 
Arctic-Alpine Zone. 8 
Value of Birds to the State. 8 
National and State Refuges and State Organizations for the Conservation 
of Wild Life. 9 
National and State Refuges. 9 
State Organizations. 10 
Birds First Described from New Mexico. 11 
Fossil Birds Found in New Mexico. 13 
Location of Collections Made in New Mexico. 13 
ITINERARIES AND REPORTS OF FIELD WORK IN THE STATE—By 
Wells Woodbridge Cooke. 15 
LOCALITIES VISITED BY OBSERVERS—By Wells Woodbridge Cooke.... 37 
GLOSSARY OF TECHNICAL TERMS (after Ridgway). 09 
BIRDS OF NEW MEXICO—By Florence Merriam Bailey, with State Records 
by Wells Woodbridge Cooke 1 . 73 
Loons: Order Gaviiformes... 73 
Loons: Family Gaviidae. 73 
Loon: Gavia imrner. 73 
Pacific Loon: Gavia arctica paeifica. 74 
Grebes: Order Colymbiformes. 75 
Grebes: Family Colymbidae. 75 
Horned Grebe: Colymbus auritus. 75 
American Eared Grebe: Colymbus nigricollis californicus. 76 
Western Grebe: Aechmophorus occidentalis. 79 
Pied-billed Grebe: Podilymbus podiceps podiceps. 80 
Pelicans, Cormorants, Darters, etc. : Order Pelecaniformes. 83 
Pelicans: Family Pelecanidae. 83 
American White Pelican: Pelecanus erythrorhynchos. 83 
Cormorants: Family Phalacrocoracidae. 84 
Mexican Cormorant: Phalacrocorax vigua mexicanus. 84 
Darters: Family Anhingidae. 86 
Water Turkey: Anhinga anhinga. 86 
Herons, Storks, Ibises, etc.: Order Ciconiifoiimes. 86 
Herons, Bitterns, etc.: Family Ardeidae. 86 
Herons and Egrets: Subfamily Ardeinae. 87 
Treganza Blue Heron: Ardea herodias treganzai. S 7 
Snowy Heron: Egretta thula thula. 90 
Green Heron: Butorides virescens virescens. 92 
Black-crowned Night Heron: Nycticorax nycticorax naevius. ... 93 
State and are included as hypothetical. 
IX 
