Wolf's Rain is a great anime about a place in the future and wolves are suppose to have been extinct for 200 years but this is not true for wolves have survived by taking on human form. It follows 4 wolves Kiba a lone white wolf full of wolf pride, Tsume a grey wolf with a scar on his chest a strong fighter who doesn't show his true feelings, Hige a mexican wolf with a carefree attitude who doesn't mind living in human societies he wears a collar but he doesn't remember where he got it from, Toboe a red wolf and the youngest out of the group he was raised by an old women as a very small pup and still wears the bracelets she gave him because of his raising he's friendly and protective towards most humans. Here is the first part of the first episode.
Here is the opening and closing theme.
There both great I've also done some tribute's.