Difference between Human and Humane

Humane is an adjective which is used to describe an emotional feeling like compassion, caring attitude towards other living beings.
Human on the other hand is a noun which describes any living being belonging to the family Hominidae whether extinct or not and is characterized by superior intelligence, articulate speech and erect carriage.
But the word human can also be used as adjective which might give the same meaning as Humane