Each of the following are true statements. Which of these are possible reasons why the impact of the outdoor cat population on the long-term viability of songbird populations is likely worse than the impact of native, wild predators of birds?
1) Outdoor cats have a higher predation rate on songbirds compared to native, wild predators of birds.
2) Outdoor cats have a larger population size than native, wild predators of birds.
3) Outdoor cats have a longer lifespan than native, wild predators of birds.
4) Outdoor cats have a wider geographic range than native, wild predators of birds.