what is the life span of a hummingbird?
1 Hummingbirds have an average life span of about 5 years. 2  Hummingbirds can live for more than 10 years. 3  The oldest known hummingbird was a Broad-Tailed Hummingbird that was captured and tagged 12 years apart. 4  Male hummingbirds are very aggressive and will chase another male hummingbird out of its territory.