Freshwater Leech - Wonderful swimmers, amazing movement Skomer

Found this Freshwater leech (Horse Leech) on Skomer Island on 14 October 2012. Best viewed in high quality.

Swimming Leech

Lesser water boatman - Wikipedia

Skomer Part 1 - The first voyage

The @RareBirdAlertUK birding round-up 19 - 25 Sep 2023

The Children's Encyclopedia - Ed. Arthur Mee - Volume 1 - p121-358 by Stephen Digby - Issuu

It's a Leech-Eat-Worm World - Science on the Web #75

Skomer Part 1 - The first voyage

The Skomer Island Blog: May 2018

PDF) Biology of the genus Ammodytes, the sand lances

freshwater leech - Keyword Search - Science Photo Library

The @RareBirdAlertUK birding round-up 18 - 24 Apr 2023

Skomer Part 1 - The first voyage