The medicinal leech was once widespread in Britain but its numbers have declined dramatically.

A project to revive the diminishing number of medicinal leeches was launched by the London Zoo and it has been successful.

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 ...

Lab experiments show that a leech can feed for up to 30 minutes, swelling to nearly twice its size. While they don’t draw enough blood to cause serious harm, their secretions contain a potent ...

From 10 am to 4 pm, the Museum's iconic Under the Dome rooftop space, with 360-degree views of Tāmaki Makaurau, will ...