English class Poisonous Animal PLATYPUS Professor : Christopher YUKNA Michitaka UCHINO Jan. 2014
Description The platypus is one of the most easily identifiable animals. Thick waterproof fur Broad flat tail Duck-like bil Webbed frond feet Deep brown fur on its back and top Partial y webbed hind feet of head. Golden or silky grey underneath.
Description Weight [g] Length [cm] Females 900 43 Males 1700 50 All platypus are born with ankle spurs, Only males has two venom glands attached to spurs on hind feet.
Distribution Platypus live in a particular domain in the world.
Distribution Cooktown Australia Great Dividing Range Victoria Tasmania Range does not extend much past the “Great Dividing Range” in most areas but as far west as western Victoria.
Habitat Freshwater streams, lakes or rivers, including artificial dams. Alpine to tropical area.
Dietary pattern Foods Fish eggs, Worms, Insects, Crustaceans, Tadpoles, Larvae of mayflies, two- winged flies and shrimps. Almost total y in the water and mainly on bottom- dwel ing prey. Mostly in the early morning and evening. Closes its eyes and ears when diving for food but receives information through the bil that navigates and locates prey in the water.
Venom The males spurs are connected to a venom-producing gland in the thigh. The male is capable of producing a venom peptide cocktail and injecting it through his spurs. The venom • Causes pain and hyperalgesia. • Powerful enough to kil smaller animals such as dogs.
Venom The venom of the platypus is partly composed of ‘defensin- like’ proteins. Defensin proteins are produced by the immune system of the platypus, and are also produced as an antibiotic in the milk of some marsupials to help bolster immunity of young koalas, wal abies and other species.
Summary You shouldn’t cuddle “male platypuses” no matter how adorable their funny little bills may look to you !