Smallest organisms
With a mass of approximately and a length of 5 centimetres (2.0 in), the bee hummingbird ("Mellisuga helenae") is the world's smallest bird species and the smallest warm-blooded vertebrate. Called the "zunzún" in its native habitat on Cuba, it is lighter than a Canadian or U.S. penny. It is said that it is "more apt to be mistaken for a bee than a bird". The bee hummingbird eats half its total body mass and drinks eight times its total body mass each day. Its nest is 3 cm across.
Hindmarsh Island
The Australian magpie ("Gymnorhina tibicen") is a medium-sized black and white bird native to Australia. It is found all over the Island, making it the most common bird viewed on Hindmarsh Island.The Barn owl ("Tyto alba") is an owl that is only found around the coastline of Australia. It makes a distinctive sound, when it is positioned in a high tree mostly during the night. The forests on Hindmarsh Island are a popular place for the owls to live.The little penguin ("Eudyptula minor") is the smallest species of penguin. The penguins used to be found along the south coast of the Island, until the 1970s when people where inhabiting the island, the penguins struggled for survival and eventually became extinct in the late 1970s.