Assertion: breed's dog | /r/HasProperty | separate species
Facets:
value: from the wolf
type: OTHER
value: because of its cauda recurvata
type: CAUSE
Source sentences:
text: Linnaeus considered the dog to be a separate species from the wolf because of its cauda recurvata - its upturning tail which is not found in any other canid.
text: At one time it was thought that dogs and wolves were separate species, and the crosses between dogs and wolves were called wolf hybrids.