Ruminant animals, like cows, don’t have upper incisors like many other animals, and instead have what is called a dental pad. This pad helps the cows to pinch the grass from the ground. The combination of the dental pad and tongue makes a very efficient system for grazing.
Eubanks, D. L. (2012). Dental Considerations in Cows and Goats. Journal of Veterinary Dentistry, 29(3), 200–203. https://doi.org/10.1177/089875641202900314
[Photo and caption by Isabelle Mcdonald-Gilmartin]
[Edited by Maggie Creamer]