Читать книгу Life Histories of North American Jays, Crows, and Titmice - Arthur Cleveland Bent - Страница 45

Table of Contents

Range.—Western United States and Mexico; not regularly migratory.

The range of the California jay extends north to southwestern Washington (Vancouver); southeastern Oregon (Malheur Lake); northern Utah (Ogden); and northern Colorado (Two Bar Springs and Sedalia). East to central Colorado (Sedalia and Fountain); northwestern Oklahoma (Kenton); eastern New Mexico (Santa Rosa and Capitan Mountains); western Texas (San Angelo and Kerrville); Coahuila (Sierra Guadalupe and Carneros); San Luis Potosí (Chorcas and Jesús María); Hidalgo (Real del Monte); Veracruz (Perote and Orizaba); and Oaxaca (Coixtlahuaca and Mount Zempoaltepec). South to Oaxaca (Mount Zempoaltepec and Ejutla); and southern Baja California (Cape San Lucas). West to Baja California (Cape San Lucas, Llano de Yrais, San Ignacio, and San Pedro Mártir Mountains); western California (San Diego, Santa Barbara, San Francisco, Red Bluff, and Mount Shasta); western Oregon (Waldo, Corvallis, and Dayton); and southwestern Washington (Vancouver).

As outlined, the range includes the entire species, of which 10 subspecies are currently recognized. The typical California jay (Aphelocoma coerulescens californica) occupies the coastal region of California from San Francisco Bay south to the Mexican border; the long-tailed jay (A. c. immanis) is found in the interior, from the San Joaquin and Sacramento Valleys of California north to southern Washington; the Nicasio jay (A. c. oocleptica) is found in the coast region of northern California; Belding’s jay (A. c. obscura) is found mainly in the Upper Austral Zone of northwestern Baja California; Xantus’s jay (A. c. hypoleuca) occupies the Cape district of Baja California; Woodhouse’s jay (A. c. woodhousei) is found from southeastern Oregon and the central Rocky Mountain region south to southwestern Texas and southeastern California; the Texas jay (A. c. texana) is found in central Texas south to the Davis Mountains, and probably to northern Coahuila; the blue-gray jay (A. c. grisea), occupies the Sierra Madre region of southern Chihuahua and Durango; Sumichrast’s jay (A. c. sumichrasti), is found in the southeastern parts of the Mexican tableland, chiefly in the states of Veracruz, Puebla, Tlaxcala, and Oaxaca; while the blue-cheeked jay (A. c. cyanotis) occupies the Mexican Plateau from the states of Mexico and Hidalgo north into Coahuila and Durango. There is almost endless intergradation between some of these races. The desert California jay (A. c. cactophila) occurs in central Baja California.

Egg dates.—California: 160 records, March 10 to July 11; 80 records, April 6 to 30, indicating the height of the season.

Mexico: 22 records, March 20 to June 24; 11 records, April 20 to May 16.

Oregon: 4 records, April 20 to June 4.

Texas: 28 records, March 14 to May 18; 10 records, March 30 to May 8.

Woodhouse’s Jay

Arizona: 9 records, April 5 to June 6.

New Mexico: 8 records, April 19 to May 27.

Utah: 26 records, April 6 to May 20; 14 records, April 25 to May 3.

Santa Cruz Jay

Santa Cruz Island: 27 records, February 6 to May 16; 13 records, March 27 to April 7.