Its wings, rigid from shoulder to wingtip, allow for power in both upward and downward beats, rather than just in the downstroke, which is true of other birds.
Visā garumā stingrie kolibri spārni ļauj attīstīt celtspēku gan augšup, gan lejup vēzienā, nevis tikai lejupvēzienā kā citiem putniem.