[New post] What are the seven types of bird feathers?

f&m posted: " What are the seven types of bird feathers? Birds of all species have feathers.  There are a variety of feathers, but all feathers are made of beta-keratin, which is a protein.  All feathers have similar elements: the calamus (the thick" New post on SIMILAR BUT DIFFERENT IN THE ANIMAL KINGDOM What are the seven types of bird feathers? by f&m What are the seven types of bird feathers? Birds of all species have feathers.  There are a variety of feathers, but all feathers are made of beta-keratin, which is a protein.  All feathers have similar elements: the calamus (the thick bottom part of the rachis or stem), the central rachis (like a stem going almost all the way up the feather), the barbs (like branches), and the barbules (like smaller branches with hooks that interlock with other barbules). Read more of this post f&m | March 8, 2022 at 4:20 pm | Tags: barbs, barbules, bristles, calamus, contour, down, feathers, filo-plume, keratin, protein, rachis, semi-plume | Categories: Birds, Definitions and Information | URL: https://wp.me/p8KWmD-7vC Comment    See all comments Unsubscribe to no longer receive posts from SIMILAR BUT DIFFERENT IN THE ANIMAL KINGDOM. Change your email settings at Manage Subscriptions. Trouble clicking? Copy and paste this URL into your browser: https://similarbutdifferentanimals.com/2022/03/08/what-are-the-seven-types-of-bird-feathers/