How hummingbirds fly through spaces too narrow for their wings
High-speed cameras show the tiny birds keep flapping their wings as they fly sideways
![A red-headed hummingbird hovers in the air in front of blurred foliage](jpg/110923_eg_hummingbird_featb14e.jpg)
Hummingbirds’ wings don’t easily bend, making it difficult for birds like this male Anna’s hummingbird to fly through gaps smaller than their wingspan.
Nicholas Chesarino