Appendix, 



. b. Feet with lower half featherless; head 

 and tail white in adult. 



Bald Eagle . . . 25 



2. Size moderately large ( i 8 to 24 inches). 

 a. Breast reddish brown; belly white, 

 spotted with brown. 



Dark phase of Swainson's Hawk 21 

 /. Continuously blackish above and below, 

 or wich lighter mottlings. Or with a 

 solid patch of dark brown on belly only. 

 Dark phase of American Rough- 

 legged Hawk . " . 22 

 c. Continuously dark brown above and 

 below, 

 y. Tail brown barred with dark. 



Dark phase of Swainson's Hawk 21 

 ^'.« Tail rich rusty red, dark barred. 

 Dark phase of Western Redtail 19 



THE FALCON FAMILY, INCLUDING THE HAWKS 

 AND EAGLES. 



Birds of powerful build, generally of medium or 

 large size, with strong, hooked bills, well 

 developed feet and talons. Flight vigorous and 

 rapid, and food flesh or insectivorous. 



14. White-tailed Kite; Elanus leucurus (yidW.). 



Length sixteen and a half inches. Upper parts 

 bluish gray; head, tail, and lower parts white; 

 a large black shoulder patch and another on 

 under lining of wings. Chiefly found sailing 

 over marshy places in central California. 



