Black-throated Green Warbler

Setophaga virens

Buzzy 'zee-zee-zee-zoo-zee' from the conifers. Sings up to 466 songs an hour during peak breeding.

Population: ~9.2 million mature individuals (2019 estimate), stable with a slow increase since 1970
Habitat: Coniferous and mixed boreal/temperate forests during breeding; also hardwood forests and coastal cypress swamps in the southeastern US (the disjunct "Wayne's" population); winters in subtropical/tropical moist forests
Fun fact: Its distinctive buzzy song is often rendered as "trees, trees, I love trees"; banding records for the species show wild individuals living at least several years (specific oldest-banded-individual figure of 4y11m could not be independently re-verified via USGS Bird Banding Lab, which blocked direct access).
Range: Breeds across Canada and the northeastern/upper midwestern US (with a disjunct coastal population in Virginia/the Carolinas — "Wayne's Warbler"); winters from Mexico through Central America and the Caribbean, occasionally to northern South America
Diet: Primarily insects and other arthropods gleaned from foliage or caught in short aerial sallies (hawking); occasionally eats berries
Size: 0.115 m
Wingspan: 0.185 m
Lifespan: 5 years

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