Leeches help track down endangered species

How Scientists Use Leeches to Locate Rare Animals

A bloody boon for conservation

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Iberian species of medicinal leeches treated in this work. (a,b) dorsal

Why was this man's luggage stuffed with 5,000 leeches?

Country diary: Leeches are sinister, insatiable – and more common than you'd think, Environment

Researchers take a bloody good look at the medicinal leech genome

A bloody 19th-century health craze almost drove these creatures extinct

Does the Tasmanian tiger exist? Is the saola extinct? Ask the leeches

Hirudo medicinalis - Wikipedia

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Issue 2862, Magazine cover date: 28 April 2012