Even in that case that you refer to "sapience", it wouldn't apply only to mammals. Octopuses and ravens are recognized to have high-level cognitive processes as

Even in that case that you refer to "sapience", it wouldn't apply only to mammals. Octopuses and ravens are recognized to have high-level cognitive processes as capable as those existing in primates. The only characteristic of sapience limited to humans that we know of is the capability to build and communicate narratives about future through complex language. And we are not even sure about our uniqueness in that.