Control principle
Lessons from Ruby-throated Hummingbird
Hold the hover.
Ruby-Throat Hover Feeding

Core lesson
Great power can live inside a body that holds itself exactly where it must be.
Biological basis
Ruby-throated Hummingbirds hover with rapid wingbeats while feeding on nectar using long bills and extendable tongues. They also make long seasonal migrations despite their tiny size.
Best use cases
Where this lesson tends to be most useful in practice.
ControlPrecisionSmall powerEnergyFocused effort