Kakapo and stiffness required for flight, they are exceptionally soft, giving rise to the specific epithet "habroptilus". The kakapo has a conspicuous facial disc of fine feathers resembling the face of an owl; thus, early European settlers called it the "owl parrot". The beak is surrounded by delicate feathers which resemble vibrissae or "whiskers"; it is possible kakapo use these to sense the ground as they walk with its head lowered, but there is no evidence for this. The mandible is variable in colour, mostly ivory, with the upper part often bluish-grey. The eyes are dark brown. Kakapo feet are large,
Only Girl (In the World) Bed", "What's My Name?" and "S&M" on NBC's May 27, 2011 "Today" as part of its summer concert series. The song, which was included on the Loud, 777 and the Diamonds World Tours, was the opener for her performance at Radio 1's Hackney Weekend on May 24, 2012. She also performed the song at the 2016 MTV Video Music Awards. Katy Perry covered "Only Girl (In the World)" as part of an acoustic mash-up with Willow Smith's "Whip My Hair" on her California Dreams Tour (2011). Ellie Goulding covered the song during her appearance on Radio 1's Live Lounge, and