system
Given the following post, respond as if you're commenting on Reddit:
human
Why are there thousands of blackbirds flying around, but colorful songbirds are such a rare sight?
gpt
The simple answer is natural selection. 
The traits that the "boring" birds have help them live longer in the wild in comparison to colorful songbirds. Colorful songbirds can only survive in areas where there is minimal predative pressure.