Chestnut-sided Warbler, Setophaga pensylvanica


Chestnut-sided Warbler, singing male, 7/12/10, Settlement Quarry, Deer Isle, ME


Chestnut-sided Warbler, male, 5/17/10, Magee Marsh, OH
The more extensive black mask and chestnut stripes distinguish the breeding-plumage male, above, from the female, below.



Chestnut-sided Warbler, female gathering nesting material, 5/19/10, Magee Marsh, OH


Chesnut-sided Warbler, male, 5/19/10, Magee Marsh, OH