56 PACIFIC COAST AVIFAUNA No. 12 



the cliffs. These are sometimes also built in the wind-bloMH trees near the preci- 

 pices. 



I liave seen eagles about Sant}) Barbara Island, as liave others, l)nt as the 

 island is rather small, I think it pi'obable that tliere is l)ut one resident p^ir. Sev- 

 eral i)airs are resident on Anaeapa, and it is int(M-esting to note, as H. C. Burt 

 {17) remarks, that all the sticks which enter into the construction of nests on 

 this island, must laboriously be carried across five miles of sea from Santa Cruz 

 Island. On the latter island they are said to kill lambs occasionally, and so are 

 undoubtedly shot by the herders at every opportunity. A. van Rossem and I 

 {18) found that most of the birds nested on the sea cliffs, but one nest was found 

 in a large tree, well back in a canyon. This nest, on May 2, 1911, held a single 

 young the size of a hen. 



The Bald Eagle occurs on San Miguel and undoubtedly on Santa Rosa as 

 well. 



The majority would seem to lay the first part of February, but fresh eggs 

 may be found until late March. 



88. Falco mexicanus Schlegel 



Prairie Falcon 



Falco mexicanus (/) Streator, Orn. & Ool., xiii, 1888, p. 5.3. (2) Keeler, Zoe, i, 1891, p. 

 340. 



Both C. P. Streator {!) and C. A. Keeler (5) record the Prairie Falcon 

 from San IMiguel, but no one else has since found it. 



89. Falco peregrinus anatum Bonaparte 



Duck Hawk 



Falco communis var. anatum (1) Henshaw, Rep. Wheeler Surv., 1876, p. 262. 



Falco nigripes (2) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 77. (3) Cooper, Land Birds 

 Calif., I, 1870, p. 456. 



Falco peregrinus anatum (//) Belding, Land Birds Pac. Dist., 1890, p. 42. {■'>) Mailliard, 

 Bull. Cooper Orn. Club, i, 1899, p. 44. (6) Breninger, Auk, xxi, 1904, p. 220. (7) 

 Mearns, Bull. U. S. Nat. Mus., lvi, 1907, p. 141. (8) Linton, Condor, x, 1908, p. 83. 

 {9) Linton, Condor, x, 1908, p. 127. {10) Wright, Condor, xi, 1909, p. 100. {11) 

 Howell, Condor, xii, 1910, p. 186. {12) Burt, Condor, xiii, 1911, p. 166. {13) Wil- 

 lett, Pac. Coast Avif., 7, 1912, p. 49. (///) Wright and Snyder, Condor, xv, 1913, p. 

 91. {lo) Grinnell, Pac. Coast Avif., 11, 1915, p. 67. 



Falco anatum anatum, {16) Grinnell and Daggett, Auk, xx, 1903, pp. 33, 37. 



Duck Hawk (/7) Willett, Condor, xii, 1910, p. 171. 



Common resident of all the islands. At least three and probably four pairs 

 of these birds breed on the Coronados. During late March and early April, 1915, 

 on San Clemente, I repeatedly saw a pair, but was unable to locate their nesting 

 site. G. Willett {13) took a set of four eggs on Catalina, April 8, 1904, and I 

 have observed several of the birds on the northwest part of the island. T flushed 

 a pair from the cliff on the seaward side of Santa Barbara Island, where they 

 undoubtedly had a nest of young, May 1, 1908, and H. C. Burt (12) noted a pair 

 on Anaeapa. On Santa Cruz, O. W. Howard (/.?) collected a set April 5, 1906, 



