Frog cake 2001 the frog cake was listed as a South Australian Heritage Icon by the National Trust of South Australia. The frog cake is a small dessert shaped to resemble a frog with its mouth open, consisting of a sponge base with a jam centre, topped in artificial cream and covered with a thick layer of fondant icing. The recipe today remains identical to the one employed when the cake was first produced in the 1920s. When manufactured, large layers of sponge cake are combined and cut mechanically into shape, covered in the fondant, and the mouth is then formed with
Hole-in-the-head frog circumvent the background noise of its waterfall habitat. Hole-in-the-head frog The Hole-in-the-head frog ("Huia cavitympanum") is a species of frog in the family Ranidae. It is found on the island of Borneo. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montane forests, and torrential rivers. It is threatened by habitat loss. "H. cavitympanum" is the only known species of frog to vocalize at only an ultrasonic level. The frogs have eardrums recessed in the side of the skull, with an ear canal similar to mammals' anatomy. It appears to have evolved this higher pitch