1. Small Songbirds (Song Sparrows, Chickadees, Finches): 2 to 5 years
2. Medium-sized Songbirds (Woodpeckers, Jays): 5 to 10 years
3. Large Songbirds (Crows, Ravens): 10 to 20 years
4. Specialized Songbirds (Hummingbirds): 3 to 5 years
These lifespans are averages and can be influenced by various factors such as habitat quality, food availability, predators, and diseases. Some individual birds may live longer or shorter than the average.