UNDER the above heading in your issue of January 18, 1872, Dr. Elliot Coues describes the peculiar movements made by the bones of the wing of the bird in flexion and extension. It may interest ...

The emu is a flightless bird with wings that have undergone significant reduction. Despite this, the precise mechanisms behind the morphological changes in their wings have remained largely unknown.

To monitor the hummingbirds' movements, tiny trackers were attached to the birds' backs using a harness around their wings ...

By mimicking the bird’s ability to dynamically adjust ... allowing efficient wing movement with minimal energy consumption. Streamlined structures that enhance agility and responsiveness ...

Prominent black crescent framing lower edge of auricular. On perched bird, wing patch shows only as a thin white line along the leading edge of the folded wing. Adult male: grayish or grayish ...

Birds achieve flight control through complex, coordinated movements where different body ... a drone featuring morphing wings and tail that demonstrate remarkable stability. All the actuators!