
Vireo philadelphicus
John James Audubon, Birds of America (1827-1838). Public domain.
Showing primary migration corridor(s) for this species
The Philadelphia vireo (Vireo philadelphicus) is a small North American songbird in the vireo family (Vireonidae). "Vireo" is a Latin word referring to a green migratory bird, perhaps the female golden oriole, possibly the European greenfinch. The specific philadelphicus is for the city of Philadelphia.
Source: Wikipedia
Other members of the vireos, shrike-babblers, and erpornis family recorded in North America — a useful place to start if you are not certain of your identification.
You don't need to spend a fortune. These four pairs will get you birding confidently on day one.
From phone adapters to dedicated rigs, here's what actually works for capturing birds in the field.