0:11
Turtle yawning. Long-necked turtle (1)
Dr N Kimura
1:01
Turtle yawning. Snapping turtle (2)
2:32
Alligator snapping turtle (Macroclemys temiinckii) yawns and breathes
0:37
Turtle yawning, Galapagos giant tortoises
5:31
Relation between yawn and breathing in giant salamander
0:36
Turtle yawning, Snapping turtle (3)
