THEBIR.DSOFTEXAS 27 



173. Parabuteo unicinctus harrisL Harris Hawk. 



Southern half of the State, resident. Breeding as far north as San 

 Antonio (Attwater), (Corpus Christi (Hancock), Comal and Hays 

 counties. Tolerably common in Bee and Refugio counties. 



174. Buteo borealis. Red-tailed Hawk. 



Resident east of the plains. Recorded as an abundant breeding bird 

 on the Lower Rio Grande and in Eastern Texas. Rare in summer in 

 the vicinity of Waco. 



175. Buteo borealis kriderii. Krider's Hawk. 



Rare resident east of the plains. Breeds as far south as Refugio coun- 

 ty (Carroll). Red-tailed hawks from Refugio county in my county in 

 my collection indicate that both borealis and kriderii occur there 

 during the breeding season. I do not think much of kriderii as a 

 variety. 



176. Buteo borealis calums. Western Red-tail. 



Western half of the State, resident. 



177. Bueto borealis harlanL Harlan Hawk. 



Resident in the eastern and Gulf coast sections. Recorded from 

 Brownsville (Merrill), Gainesville (Ragsdale), etc. One record from 

 Waco. 



178. Bueto lineatus allenL Florida Red-shouldered Hawk. 



The eastern and central sections of the State, resident. South in 

 winter to the Rio Grande. According to Carroll does not breed as far 

 south as Refugio. Most abundant breeding hawk from Waco to Gid- 

 dings in the river bottoms. 



179. Buteo lineatus elegans. Red-bellied Hawk. 



Occasionally straggles into the western section of the State. 



180. Buteo abbreviatus. Zone-tailed Hawk. 



Southern Texas, breeding north (rarely) to Comal and Hays counties. 

 Recorded by Lloyd as a fall visitant to the western part of the State. 



181. Buteo albicaudatus sennettii. Sennett White-tailed Hawk. 



Rio Grande Valley, resident, not uncommon as far north as Bee and 

 Refugio counties. 



182. Buteo swainsonii. Swainson's Hawk. 



Western half of the State, resident. Especially abimdant on the 

 southern plains and in the Davis Mountain region. East in winter to 

 Waco and southeastward to the Gulf coast. 



