Their small size and blazing metabolism mean they live life on a knife-edge, sometimes needing to shut down their bodies ...

Soldiering through nightly suspended animation, a (nearly) all-sugar diet, backwards flight and long migrations, the birds’ ...

Ruby-throated hummingbirds live in woodland areas, but also frequent gardens where flowering plants are plentiful. They hover to feed on flowers, nectar, and sap. During this floral feeding ...