The gonydeal angle or angle of the gonys is the point where the bill turns upwards near the tip. The gonydeal angle is pronounced in many large gulls [1].
References[]
^Ron Pittaway and Jean Iron (November 2010). "Gull Watching Guide". Retrieved 4 August 2011.
This article is part of Project Glossary, an All Birds project that aims to write comprehensive articles on each term related to animals.