non-breeder; much duller than breeding bird (Louisiana, USA; 2006-04-30)

Bay-breasted Warbler
Dendroica castanea

Native Range: North America

Notes: nests in spruce woods but migrants can be seen in all types of forests; very different breeding and non-breeding plumages, as well as considerable sexual dimorphism; song a monotone or slighty rising series of high and thin tee-tee-tee-tees.