Beastlypedia
A platypus swimming at the surface of a still river, its bill and dense brown fur visible

Beastfile · Mammals

Platypus

Ornithorhynchus anatinus

Lays eggs, detects electricity, has venom, and glows under ultraviolet light.

Overview

The platypus was assumed to be a hoax when the first specimen reached Britain, and the animal has kept adding to the case ever since. It is a mammal that lays eggs. It hunts with its eyes, ears and nostrils shut, navigating entirely by electroreceptors in its bill that pick up the muscle activity of prey buried in silt. Males carry a venomous spur on each hind ankle, capable of causing pain severe enough to resist morphine. It has no stomach, so the oesophagus runs straight to the intestine. Its fur fluoresces blue-green under ultraviolet light, and nobody yet knows why.

A platypus on a riverbank showing its bill and webbed forefeet

Origin

Freshwater rivers, streams and lakes in eastern Australia and Tasmania, denning in burrows dug into the bank.

Habitat

Freshwater

Notable Traits

  • A mammal that lays eggs
  • Hunts by electroreception with eyes and ears closed
  • Males have a venomous spur on each hind ankle
  • No stomach at all
  • Fur that fluoresces under ultraviolet light

Conservation

Near Threatened and declining. Drought, river regulation, land clearing along banks and drowning in illegal net traps are the main pressures, and the range has already contracted.

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