Hooks on the feathers stick together: Visualizing how birds form continuous wings in flight

Nature, Season 37

Review on bio-inspired flight systems and bionic aerodynamics

wing-theory – Ogaclicks

District of Columbia Argonne National Laboratory

Common Backyard Birds — Backyard Bird Blog — Santa Clara Valley

California Argonne National Laboratory

Birds SpringerLink

District of Columbia Argonne National Laboratory

District of Columbia Argonne National Laboratory

Growing a Garden That Birds Will Love to Visit - Garden & Greenhouse

The Parts of a Feather and How Feathers Work