My Head Is an Animal as the second single from "My Head Is an Animal" in the UK and Ireland. It was released on 12 April 2012, in the lead up to the album's re-release in Europe. A promotional single followed in June. "Six Weeks" was released as a promotional single from the album in the UK and Ireland. It was released as a digital download on 27 August 2012. "Mountain Sound" was released in the US as the second single from the album, and the fourth overall. Seeing a release worldwide as the follow-up to "Little Talks" as well, it was released on 2
Animal locomotion of aquatic environments. In the sea, many animals walk over the seabed. Echinoderms primarily use their tube feet to move about. The tube feet typically have a tip shaped like a suction pad that can create a vacuum through contraction of muscles. This, along with some stickiness from the secretion of mucus, provides adhesion. Waves of tube feet contractions and relaxations move along the adherent surface and the animal moves slowly along. Some sea urchins also use their spines for benthic locomotion. Crabs typically walk sideways (a behaviour that gives us the word "crabwise"). This is because of the articulation