The Calliope hummingbird (Selasphorus calliope) and the Broad-tailed hummingbird (Selasphorus platycercus) are two species of hummingbirds that breed in western North America. Both species are […]
Tag: calliope
The Curious Case of Calliope vs Anna's Hummingbird: A Detailed Comparison
The Calliope hummingbird (Selasphorus calliope) is the smallest hummingbird in North America, while the Anna’s hummingbird (Calypte anna) is a medium-sized hummingbird found in the […]