title: Letter to the editor: Yawning as a behavioral adaptation to heat stress and water scarcity in white-faced capuchins (Cebus capucinus).
authors.forename: Andrew C
authors.initials: AC
authors.lastname: Gallup
mesh_terms: D000222:Adaptation, Physiological / Q000502:physiology*; D000818:Animals; D001717:Birds; D002428:Cebus / Q000502:physiology*; D003681:Dehydration; D005334:Fever; D006358:Hot Temperature; D006801:Humans; D051381:Rats; D013312:Stress, Physiological / Q000502:physiology; D014059:Tongue; D015000:Yawning / Q000502:physiology*