Hummingbirds couple are back, they are known as hummingbirds because of the humming sound created by their beating wings, which flap at high frequencies audible to other birds and humans. They hover at rapid wing-flapping rates, which vary from around 12 beats per second in the largest species to 99 per second in small hummingbirds.
Музыка
Фильмы
ТВ Шоу
Категории видео
