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.
Habitat
Mature floodplain and hillside deciduous forests
Diet
Caterpillars and insects in the forest canopy
How common
Uncommon
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