A late migrant, the Yellow-bellied Flycatcher (“Moss Tyrant”) spends only about 66 days on the Ontario breeding grounds before making the journey southward back to its neotropic wintering grounds (Hussell 1982). This greenish, big-headed lil’ gem is possibly visiting your favorite patch as we speak so be sure to keep an eye out for one 🙂

Reference

Hussell, D.J.T. 1982. Migrations of the Yellow-bellied Flycatchers in southern Ontario. Journal of Field Ornithology 53: 223-234. https://sora.unm.edu/sites/default/files/journals/jfo/v053n03/p0223-p0234.pdf