- Setophaga castanea
14 cm (5½ in)
Basic/immature (Sep-Nov): Narrow pale lemon supercilium and brighter narrow eye-crescents; underparts dirty pale buff to pale lemon, often with pinkish-cinnamon wash on flanks.
Alt Male (April-June): Face black with chestnut crown and throat, pale buff sides of neck. Underparts dirty pale buff, chestnut on sides and flanks.
Breeds North America from southern [[Northwest Territories east and south to eastern Quebec and western Newfoundland south to northern Minnesota and Michigan, northern New York, northern Vermont and New Hampshire and most of Maine.
Formerly placed in genus Dendroica.
Coniferous forests in boreal regions.
The diet includes insects and spiders, supplemented by winter fruit.
The nest is placed in a dense spruce tree and the open cup is formed from twigs and bark, held together with spider's web lichen and plant down. It is lined with pine needles, hair and moss etc. The clutch normally consists of 4-7 eggs, which are white or cream with dark spots.
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2017. The eBird/Clements checklist of birds of the world: v2017, with updates to August 2017. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
- BirdForum Opus contributors. (2023) Bay-breasted Warbler. In: BirdForum, the forum for wild birds and birding. Retrieved 30 November 2023 from https://www.birdforum.net/opus/Bay-breasted_Warbler
GSearch checked for 2020 platform.1