Their debut live album "Vol:1 The Aural Underground" was recorded just 4 months after the band started touring at a sold-out show at The Evelyn Hotel on 2 February 2007.
Some of the band's songs, including Hell Yeah!, New Breed Judas and Slaves, received regular airplay on Australian radio station Triple J. Mammal began in March 2006 when former Full Scale frontman Ezekiel Ox joined up with old friend Pete Williamson (of Pete Murray's Stonemasons) who had already been working on some songs with bass player Nick Adams, the two had needed a vocalist and with Zeke everything came together.
[4] Mammal began playing all the shows they could very soon after forming, which were very well received by audiences and started to gain a fast-growing fan base.
[4] Mammal continued to play many gigs in 2007 and on 2 February they recorded their debut live album "Vol 1: The Aural Underground" which was released on 1 September.
On October 31, 2009, Mammal announced via newsletter that all touring had been canceled and they had split up, releasing the statement: "Due to long standing personal, political, musical and business differences, Mammal has decided it cannot continue and is no more..." It is believed that a fan who broke the drum skin of the kick drum during their set at the Dogs Bollix, Auckland, led to turmoil within the band, leading to this break up.
[12] Mammal released a statement on 8 August 2017 announcing that they were playing their first show after almost 8 years scheduled for Fri, 27 October 2017 in Melbourne.
Pete Williamson and Zane Rosanoski formed a blues-rock band, Black Devil Yard Boss, with Michael "Big D" Davids on bass.
Nick Adams joined up with Hugo Tremayne, formerly of K-Oscillate, and Ben Ellingworth, formerly of MM9, in the electronic/rock band, Sub Atari Knives.