The Cerulean Warbler is a sky-blue gem of the forest canopy, the male's azure plumage and black breast-band making it one of the most elegant warblers. It is also one of the fastest-declining neotropical migrants in North America due to loss of large-tract deciduous forest in its breeding range and Andean forest on its wintering grounds. It spends most of its time 60–100 feet up in the canopy, making observation a neck-straining exercise.
Best time to see a Cerulean Warbler
The best time to see a Cerulean Warbler is April–May, when about 75% of U.S. sightings happen, based on 2,402 research-grade iNaturalist observations.
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