3-J Ali.en a7id Brewster 07i Colorado Birds. 



197 



presenting various combinations of the characters of auratus 

 and mexicanus. The few taken later proved to be all mexicanus, 

 which Mr. Aiken tells us is the resident form, the "hybrids" 

 being migrants. 



107. Asio wilsonianus. Long-eared Owl. — Saw a num- 

 ber of fresh specimens at Mr. Aiken's, killed in March and the 

 early part of April. 



108. Speotyto cunicularia hypogaea. Burrowing Owl. 

 — Several colonies on the plains within a few miles of Colorado 

 Springs. 



109. Circus cyaneus hudsonius. Marsh Hawk.— Oc- 

 casionally seen. 



no. Accipiter fuscus. Sharp-shinned Hawk. — Seen 

 a few times in April. 



111. Accipiter cooperi. Cooper's Hawk. — Occasionally 

 seen in April and May. 



112. Falco mexicanus. American Lanier Falcon. — 

 Several pairs seen in April. 



113. Falco sparverius. Sparrow Hawk. — Common. 



114. Falco richardsoni. — Several Pigeon Hawks were 

 seen at a distance and one adult male near enough to be recog-- 

 nized as of this species. 



115. Buteo s^wainsoni. Swainson's Buzzard. — Not 

 common. 



116. Archibuteo ferrugineus. Ferrugineous Rough- 

 legged Buzzard. — ^A few seen but none taken. 



117. Aquila chrysaetus. Golden Eagle. — Frequently 

 seen. An eyrie was discovered near the entrance to North 

 Cheyenne Canon, from which young were taken about June i. 



118. Cathartes aura. Turkey Buzzard. — Rare. Only 

 a few times observed. 



119. Zenaidura carolinensis. Carolina Dove. — Abun- 

 dant. Arrived April 20 ; found nesting May 15, on the ground. 



120. .aSgialites vociferus. Killdeer Plover. — Not 

 common. First seen March 27. 



121. iEgialites montanus. Mountain Plover. — Not 

 uncommon. First observed April 19. A perfect q^^ was taken 

 from a female shot May 9. 



122. Macrorhamphus griseus scolopaceus. Western 

 Red-breasted Snipe. — Saw one example taken May 9. 



