for it is impossible to resist this conclusion when we look, for instance, at the logger-headed duck, which has wings incapable of flight, in nearly the same condition as in the domestic duck;
izan ere, ezinezkoa da hori ez onartzea, kontuan hartzen dugunean, adibidez, dortoka-burudun ahateak hegamenik gabe dituela hegoak, etxe-ahateak dituen moduan ia;