CHESTNUT -SIDED WARBLER 



lids, line over the eye and entire under parts 

 whitish washed with greenish yellow; wings and 

 tail dusky with whitish markings as in male. 

 Young male. Similar to female, but purer 

 white below, and often with evident dark streaks 

 on the back. 



A rare migrant from the eastern United States ; 

 to be looked for in April and October. 



9. Dendroica pensylvanica (Linnaeus) 

 Chestnut-sided Warbler 



Length 113 mm. (4.45 in.); tail 48 mm. (1.90 

 in.). 



Male. Spring. Crown yellow, forehead 

 white, remaining upper parts greenish yellow 

 striped with black; a streak of dusky over eye, 

 and covering back of head and nape, confluent 

 in front of eye with a streak of dusky under 

 cheeks; cheeks and ear coverts white; two 

 conspicuous yellowish white wing bars; tail 

 black with white on outer feathers near tip; 

 under parts white, a broad chestnut stripe on 

 sides and flanks. Fall. Not distinctly striped 

 above; whole side of head gray with white eye 

 ring. 



Female. Spring. Like male but duller black ; 

 stripes on sides of head less conspicuous, a 

 narrower stripe of chestnut on sides. Fall. 

 Still less chestnut or none at all on sides. 

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