[chasd00]

Others have mentioned this too but it would be funny in a sad clown sort of way if an alien species showed up to invade but were completely outmatched with respect to weapons. Like they never anticipated encountering life that spent all of its evolutionary budget on perfecting the means to destroy life.

[sky_rw]

Wait until they meet wolves.

[MonkeyMalarky]

Or the hippopotamuses.

[krapp]

Or literally anything living in Australia.

[chasd00]

hah! touche