The hummingbird is the smallest bird on the planet, with one species measuring just five centimeters! But inside their tiny bodies are huge brains and hearts – the largest in the avian kingdom relative to body size.

Those brains and hearts are used to power an astonishing metabolism, incredibly strong flight muscles for their high-speed wings, and a formidable intelligence that allows them to remember where to find the sweetest flowers. Dive into the extraordinary world of these aerial acrobats through ultra high-speed HD cameras and cutting-edge remote systems – what you’ll learn may well surprise you!