There have been a number of lineups of this group, as well as various "splinter" versions where one or two of the original members made a comeback for a few years in the '90s. See band name 'The Animals' for an excellent summary of the different variants.
Disbanded somewhere between february and october 1966. New band with some member overlap was started in october 1966: Eric Burdon and the Animals. Original line-up of Burdon, Price, Valentine, Chandler, and Steel briefly reunited for an album in 1977 and again for an album and tour in 1983.