bluish above, yellow throat, wingbars, eye-ring (Illinois, USA; 2008-04-25)

Northern Parula
Parula americana

Native Range: North America

Notes: a small but beautiful warbler usually found in deciduous woods near streams or lakes; song is a distinctive rising buzz ending in an emphatic ziiip; modest sexual dimorphism, with the breeding male being bluer on the head and face and showing a brighter rufous breast band; often builds nest in Spanish moss hanging on trees in swampy areas.