Ключевые слова: archilochus alexandri, backwards, bird, blackchinned, british, canada, climate, columbia, desert, feed, feeder, feeding, flapping, flight, flower, fly, flying, glittering, honeysucker, humming, hummingbird, migrate, migratory, motion, nectar, nonstop, pollinator, rapid, small, south, tongue, trochilidae, warmer, wings,