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The Relationship of Adult Morphology and Early Social Signaling of the Domestic Dog (Canis familiaris)
Using puppies in 40 litters from 32 breeds, we investigated the relationship between the frequencies of behaviours (social signals), and the adult morphology of these dogs. Despite a high level of precision, no statistically significant relationships were found between the deviation of the adult morphology from the ancestral lupine morphotype and early social signalling in the dog.
Dogs show a range of behaviors that reflect their emotional state. It is important that dog owners recognize these behaviors to accurately assess their dog’s emotional state. We examined dog owners’ self-reported comprehension (SRC) of their dog’s emotional state. Eighty-nine participants attending puppy socialization classes at local veterinary clinics in the Melbourne Metropolitan area, Victoria, Australia, rated their comprehension of their dog’s emotional states (Happy, Sad, Anxious, Angry, Friendly Greeting, and Anxious Greeting) and listed the behaviors they used to judge the emotional state of their dog.