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 […]
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 […]