[ 492- ] BIRDSOFOREGON 



Vireos: Family Vireonidae 



Hutton's Vireo: 



Vireo huttoni huttoni Cassin 



DESCRIPTION. "Adults: Lores and orbital ring dull whitish; upper parts dull olive 

 brown, greener on rump, wings, and tail; wing bars narrow, white; under parts dingy, 

 tinged on sides with olive yellow; spurious primary well developed. Young: similar, 

 but upper parts lighter brown, sides of head buffy brown, under parts paler. Length: 

 4.15-4.75, wing 1.40-1.45, tail 2..OO-2..IO, bill from nostril .16-. 19, tarsus .72.-. 76." 

 (Bailey) Nest: Hung from twigs, woven of moss, and lined with dry grass. Eggs: 

 2. to 4, white, marked about the large end with brown. 



DISTRIBUTION. -General: Pacific Coast from southern British Columbia south to 

 Lower California. Resident throughout range. In Oregon: Rather uncommon per- 

 manent resident west of Cascades. 



BUTTON'S VIREO is a dull-colored little bird, somewhat more silent than 

 its more common relatives, although it has a characteristic scolding 

 note one soon learns to recognize. It was first recorded from Oregon by 

 Anthony (iS^ob), who described the now discarded subspecies (V . h. 

 obscurus} from Beaverton as a new form. Oregon records are listed as 

 Hutton's or Anthony's Vireos, though both are now considered as one 

 race (Grinnell 192.2.). Andrus (1894) found a nest with eggs at Elkton, 

 May 31, 1892., which he recorded as this species, but Woodcock (1902.) 

 published the following statement from Mr. Andrus: "Have recorded 

 this species and collected a set of eggs but am now rather doubtful as to 

 identity being correct." Woodcock (1901) listed it as a winter resident 

 at Salem on the authority of Wm. Warner, who stated it was "always 

 found with Ruby-crowned Kinglets and Oregon Chickadees." Bowles 

 (1907) found it to be a winter resident along the Columbia River, and 

 Shelton (1917) considered it a common resident of Lane County, being 

 the only observer to place it in that category. 



We consider Hutton's Vireo to be a regular but not common resident 

 of the western part of Oregon, but more field work particularly in the 

 Willamette, Rogue, and Umpqua Valleys is needed to determine accu- 

 rately its status in the State. We have records of it in our notes in Mult- 

 nomah, Yamhill, Benton, Lane, Douglas, Jackson, Josephine, Tillamook, 

 Coos, and Curry Counties for every month except August and published 

 records for Washington and Marion Counties. Jewett found a nest, 7 feet 

 up in an oak tree, at Oak Grove, July 4. It contained four newly hatched 

 young. 



Cassin's Vireo: 



Vireo solitarius cassini Xantus 



DESCRIPTION. "Adults: Top and sides of head gray in sharp contrast to white of loral 

 streak^ orbital ring, and throat; back dull olive green; wings with two clear white bands; 



