Thus, the wing of the bat is a most abnormal structure in the class of mammals; but the rule would not apply here, because the whole group of bats possesses wings;
Horrela, saguzarraren hegoa egitura arras anormala da ugaztunen klasean, baina araua ez litzateke kasu honetan aplikatuko, saguzarren talde guztiak hegoak dituelako;