Bird
Cassin's Vireo
Vireo cassinii · Vireonidae · Passeriformes
Best monthsMay–Julmost records
Records43,508in 1 country
Most seen inCanada43,508 records
Red List–IUCN status
Photo: Chuck Homler d/b/a Focus On Wildlife · CC BY-SA 4.0 · Wikimedia CommonsReport this photo · linked, not stored
About
Cassin's Vireo in brief
The cassin's vireo (Vireo cassinii) is a bird of the Vireonidae family.
In Canada it has 43,508 published records. It is strongly seasonal: records peak in May, June and July and fall to their lowest in January and February.
Records by month
All countries combined · the strongest months highlightedJFMAMJJASOND
Where & when
When to look in each country
Canada43,508 records · best May, Jun
Map
Where it has been recorded
Density of published records; brighter cells have more records.
Relatives
All birdsMore of the Vireonidae family
Photo: John Benson from Madison WI · CC BY 2.0 · Wikimedia CommonsReport this photo · linked, not stored
Red-eyed Vireo
Vireo olivaceus