BLACKBIRDS, ORIOLES, ETC.: BULLOCK ORIOLE 655 
On the return in the spring the first arrival was noted at Carlisle, April 14, 1890 
(Barrell); Mesilla, April 20, 1903 (Ford); and April 20, 1912; State College, April 21, 
1915 (Merrill); Silver City, April 30 (Iiunn); [Albuquerque, May 3, 1920 (Ligon)J; 
Rinconada, May 4, 1904 (Surber); and Chloride, May 2, 1915 (Ligon)—W. W. 
Cooke. 
Map 57. Bullock Oriole 
Shaded area shows general breeding range, mainly in Upper and Lower Sonoran 
Zones 
Nest. —Pocket shaped, pensile, or supported on the sides, often in bunches of 
mistletoe, in cottonwoods, boxelders, poplars, scrub oaks, and mesquites; woven of 
horse hair, strings, or raw cotton, vegetable fibers, and inner bark, lined with grasses, 
horse hair, down, and wool. Eggs: 3 to 6, grayish or bluish white or pale buffy; 
marked with irregular hair lines, mainly around the larger end. 
Food. —Largely insects that infest orchards and gardens. When fruit trees are 
in bloom, the Bullock Orioles are constantly busy among the blossoms and save 
many of them from destruction. Beetles make 35 per cent of their food, and nearly 
