Welch's lab: The Beautiful Hummingbird

A ruby-throated hummingbird (Archilochus colubris) approaches and perches on a stand attached to a balance, which automatically weighs the bird.
A ruby-throated hummingbird (Archilochus colubris) approaches and perches on a stand attached to a balance, which automatically weighs the bird.
  • A ruby-throated hummingbird (Archilochus colubris) approaches and perches on a stand attached to a balance, which automatically weighs the bird.
  • A ruby-throated hummingbird (Archilochus colubris) hover-feeds while lifting extra weight in the form of a small string of beads.