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Anna's hummingbird with penstemon flower

Detailed Description

A recent publication by researchers at Environment and Climate Change Canada used BBS data to conclude that hummingbirds in North America are experiencing population changes that vary by species. Anna’s hummingbird (Calypte anna), a non-migratory species, has experienced a dramatic population increase with accelerating growth in the last decade. 

Sources/Usage

Credit: Photograph used with permission from Hilary Joy Morejon, International Hummingbird Society.

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