The Calliope Hummingbird is the smallest bird in North America and the smallest long-distance migrant in the world, weighing only about 2.5 grams — less than a penny. Despite its tiny size, it migrates from Mexico to mountain meadows in western Canada. The male has a distinctive gorget of wine-red streaks that looks like an abbreviated mustache.
Best time to see a Calliope Hummingbird
The best time to see a Calliope Hummingbird is April–July, when about 65% of U.S. sightings happen, based on 3,581 research-grade iNaturalist observations.
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