Frog cake 2001 inclusion of the frog cake as a South Australian icon saw a comparable increase in sales. The success of the frog cake has led to imitations, and in response Balfours registered both the name and the shape of the product as a trademark in 2001. Frog cake The frog cake is a dessert in the shape of a frog's head, composed of sponge cake and cream covered with fondant. It was created by the Balfours bakery in 1922, and soon became a popular treat in South Australia. Originally frog cakes were available exclusively in green, but later brown and
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