What is "overpopulating"

Usage examples of "overpopulating".

All of them must he identified, and since the ethics or the Human/Mrdini Alliance do not include species genocide, how can the Hivers be prevented from following their cyclic behavior of overpopulating their planets and looking tor new worlds to inhabit?

She had learned in her studies of galactic history that this was because, since ancient times, Old Terra kept overpopulating itself.

For years I’ve been waiting for nature to react to our environmental bullshit, tell us to stop overpopulating and depleting resources, to shut up and stop messing around and just die.