Table 1.

Ethogram for coding the stress behaviors during baseline and prosocial tasks.

Category	Posture
Panting	Mouth open and tongue out rhythmic heavy breathing (in seconds)
Sniffing Floor	Head down to floor while breathing in through the nose (in seconds)
Whining	High-pitched repetitive vocalization
Barking	Low-pitched and short duration vocalization
Growling	Low-pitched and rumbling vocalization
Urogenital checkouts	Smelling urogenital areas
Shake offs	Motions of rotation in the body and/or head
Yawning	Opens mouth and inhales
Scratching	Using the paw to make repeated contact to the body or face
Tongue flicks	Tongue extends out of mouth and flicks nose