A gaggle of geese found a great way to keep warm despite frigid temperatures in Littleton, Colorado, Saturday. Despite ...

Feather – Feathers grow all over a bird's body and can be all sorts of colours. Birds use feathers to keep warm. Flight – Birds fly by flapping their wings and using their tales to steer.

Marshall shared several other ways that birds keep warm, so make sure to check out the video above ... Ross's Geese are very ...

This image shows the magnified barbules of a white peacock's feathers, which feature long appendages that diffuse thermal radiation to keep the birds warm. Disclaimer: AAAS and EurekAlert!