Cute but dumb as hell... and somehow still the strongest! ...Reincarnated as an ostrich beastkin with innate physical ability!?

With intelligence from my previous life, I lead a flock through a monster-filled hellscape just to stay alive... One day, after saving a party of human adventurers from certain doom, I finally made contact with the civilized world I had dreamed of!!! Unlike the uncommunicative ostrich-kin I'm used to, I'm overjoyed to meet people I can actually talk to... However...!