Об­ра­зуй­те от слова POWER од­но­ко­рен­ное слово так, чтобы оно грам­ма­ти­че­ски и лек­си­че­ски со­от­вет­ство­ва­ло со­дер­жа­нию тек­ста.

How long can birds fly for without a stop? The tiny hummingbird weighs only about as much as a small coin. But it has ______ wings.