Red-eyed vireo.

Red-eyed vireo, Rondeau Provincial Park, Ontario, Canada, May 15, 2019.

Vireo olivaceus
The Red-eyed Vireo's magnetic compass guides migration between continents. But fat stores seem to influence migration paths when the birds encounter the Gulf of Mexico. Fatter birds head across the Gulf, while leaner birds hug the coastline or travel inland around the Gulf. Cloud cover also makes routes near land more likely.
source - https://www.allaboutbirds.org/guide/Red-eyed_Vireo

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