The Calliope Hummingbird is the smallest hummingbird in the US. It spends summers high in the Western mountains and we look for them every June near Yuba Pass in the Sierras.
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The Calliope Hummingbird is the smallest hummingbird in the US. It spends summers high in the Western mountains and we look for them every June near Yuba Pass in the Sierras.