Tube feeding is actually very easy to do and much safer than syringe feeding.
https://www.backyardchickens.com/t/805728/go-team-tube-feeding
From:http://www.hopkinslivestock.com/oral_dosing_article.htm
The hole at the back of the tongue is the trachea - Nothing should ever go in there!
-Kathy
Thanks for posting this pic as we've got to dose our girls this evening with a syringe and this really helps. I went to the website and tried to enlarge the picture of the syringe in the birds mouth but it won't display quite as large. Gives me a good aiming point, though.