Eoalulavis

In Depth        Eoalulavis was the first Mesozoic bird known to have had an alula,‭ ‬more commonly known as a bastard wing.‭ ‬The alula is a small extension to the anterior‭ (‬front‭) ‬edge of the wing that serves as an attachment point for a few additional small flight feathers.‭ ‬When extended,‭ ‬the alula both increased low … Read more