There is not an adjective definiton however you could say something is buffalo-like or buffalo-esque (not in proffesional situations).
No. Buffalo is a noun.
gentle
He was telling history through music...
The coin you describe is referred to as an " Indian Head Nickel " or sometimes a " Buffalo Nickel ".
A buffalo chase
That would depend on which type of buffalo you are referring to. There are American Buffalo, Wisent (aka Eurasian Buffalo), Water Buffalo, etc.
The Rhino would win. The Rhino can knock the Buffalo with his horn and Rhino are stronger than Buffalo.
None buffalo/bison are herbivores
"Sagavu" in Malayalam refers to a male buffalo. It is commonly used in Kerala to describe a domesticated buffalo.
He would disquise himself as buffalo grass most likely.
The relationship between cattle egrets and cape buffalo would not be commensalism if the egrets removed ticks from the buffalo, because both species would benefit. The buffalo would be tick free and the egrets would have food to eat.
The buffalo dance is where the young men are chosen to do it. It was a great honour to do it and the people that did it they would be remembered as the buffalo dancers.
Buffalo are not native to Hawaii, so there is no word for Buffalo. The English word would be used, with hawaiian pronunciation, so it would sound like Pupalo.
You would say "Je viens de Buffalo" in French.