Leeches help track down endangered species

Leeches, Macrobdella Decors, are they really so menacing? - Canadian Pond

Leech Animal Facts - A-Z Animals

Scientists Enlist an Unlikely Ally in the Fight for Endangered Species: Leeches

A terrestrial haematophagous leech ( Haemadipsa spp.) sampling

Issue 2862, Magazine cover date: 28 April 2012

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

Applied Cryptozoology - Using Leeches to Locate the Thylacine

Analyzing Leech Meals to Track Cambodian Mammals

Endangered species news, articles and features, Page 18

ROM curator 'very happy' to help identify new species of medicinal leech

21 endangered leeches confiscated from traveller at Hamburg Airport

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