They describe their observations of at least one species of leech jumping in a new paper published Thursday in the journal ...

Medicinal leech farming making a comeback in Wales The leeches were identified as Hirudo verbana, one of only two species of medicinal leech that come under regulations aimed at controlling ...

A rare breed of blood-sucking leech is being bred at London Zoo in a bid to save the UK’s largest native leech species from extinction. The medicinal leech was once widespread in Britain, but ...