点头，马
This horse is lame in the left forelimb and exhibits a marked elevation of the head as the left forelimb lands on the ground. This is commonly called a head nod.
Courtesy of Dr. Stephen Adams.
在这些主题中
This horse is lame in the left forelimb and exhibits a marked elevation of the head as the left forelimb lands on the ground. This is commonly called a head nod.
Courtesy of Dr. Stephen Adams.
