I love the somewhat misanthropic tone of this as well as the obvious corrections on these misconceptions.
2 things I’d add:
1. Lemmings often over breed in good years only to be followed by very successful predator breeding as they feast on the lemmings, making it appear that the lemmings died en masse and possibly creating the myth about them.
2. Dodos did not die because of their behavior but rather because of ours. We humans killed them all.