average lifespan of a black capped chickadee
Flocks of juvenile birds form through the breeding season and may become incorporated into the multi-aged mixed flocks with the onset of winter. Life Expectancy and Effect of Memory on Survival. The average life expectancy for a black capped chickadee is 1.5 years for a female and 1.8 years for a male. Mortality from predation is especially high for very young individuals but weather and accidents seem to be the primary causes of death of all age groups.