14S 



ZOOLOGY BIRDS. 



So far as I am aware, they occur iii Colorado only as migrants, none 



remaining through the summer. 



TUUDUS FUSCESCENS, Stepb. 



Tawny Thruh. 



Turdesfuscescens, STEPHENS, Sbaw's Geu. Zool., Birds, xi, 1817, 182. BD., B. N. A., 

 1858, 214. Id., Bev. A. B., i, 18G4, 17. RIDGW., Proc. Acad. Nat. Sci. 

 Pbila., 18(39, 127. Cs., Key, 1872, 73 ALLEN, Bull. Mus. Comp. Zool., iii, 

 1872, 173 (niouutains of Colorado up to about 8,500 feet). SNOW, Birds 

 Kausas, 1872, 6. BD., B. & R.,N. A. B., i, 1874, 9, pi. i,f. 5. HENSHAW, Ann. 

 Lye. N. H. N. Y., xi, 1874. Id., An. ListB. U., 1872, Wheeler's Exp., 1874, 

 39. Id., Rep. Oru. Sp., 1873, Wheeler's Exp., 1874, 56, 71. Cs., U. S. Geog. 

 Sui v. Terr., B. N. W., 1874, 5. ALLEN, Proc. Bost. Soc. Xat. Hist., June, 

 1874, 15, 18. 



Though an abundant summer resident in both Utah and Colorado, the 

 Wilson's Thrush was not met with by any of our parties to the southward 

 in New Mexico and Arizona, nor does it appear to have been detected 

 farther south by others. On the streams, in the neighborhood of Fort- Garland, 

 Southern Colorado, and below an altitude of about 8,000 feet, the species 

 was quite a common one, and the wierd music of its beautiful song was 

 heard, often in early morning and again toward twilight, issuing from the 

 deep swampy thickets, which are its chosen home. Two nests were found, 

 both built on the ground. As is well known, many, and, indeed, it may be 

 said, most, species of birds manifest much attachment to a neighborhood 

 which has once been selected as a home, and where, undisturbed, they con- 

 tinue to repair to the same vicinity, frequently to the same tree. Often, 

 indeed, though molested in their domestic happiness time after time, they 



