328 



THE TRAILL FLYCATCHER. 



No. 143. 



TRAILL FLYCATCHER. 



A. O. U. Xo. 466. Empidonax traillii (Aud.). 



Description. Adult : Above olive, dark olive-green, or olive-brown, brown 

 of head darker and unmistakable; wings and tail fuscous ; wing-coverts tipped 

 and inner quills margined with grayish (pale buffy or fulvous) ; pattern of 

 edging on secondaries similar to that of preceding species but less distinct, 

 yellow not so abrupt, paler, etc. ; wing-tip formed by second, third, and fourth 

 primaries ; first usually shorter than fifth ; below sordid white, tinged on breast 

 and sides with brownish gray, and with a faint wash of sulphur-yellow behind ; 

 bill dark above, light brown below. Immature: Browner above, more yellow 

 below; wing-bands deep buffy or ochraceous. Length 5.75-6.25 (146.1-158.8); 

 wing 2.84 (72.1) ; tail 2.22(56.4) ; bill from nostril .36 (9.1) ; width at base .30 

 (7.6). Female not so long, but other dimensions substantially the same. 



Photo by the Authc 



A VIEW OF THE OAK POINT SWAMPS-A FAVORITE HAUNT OF THE TRAILL FLYCATCHER. 



Recognition Marks. Warbler to small Sparrow size; as compared with 

 the preceding species, a general note of brownness observable ; other diagnostic 

 differences not easy, nor individually constant; habits quite different; a dweller 

 m swamps and lowland thickets. 



Nest, a rather bulky but neatly-turned cup of plant-fibres, bark-strips, grass, 

 lc.. carefully lined with fine grasses: placed three to ten feet up, in crotch of 



