Exploring the Thames

What a great group of explorers I had out with me today. I awarded them the prize for biggest leech found on the Thames! How many leeches can you spot in their tray?

Tray of Leeches

The leeches in Thames do not suck the blood of people! They feed on fish and also eat smallĀ invertebrates. They are a part of the natural food web of the Thames. We enjoyed watching them move around by bunching up their bodies, then stretching out, becoming long and thin.

We also found fresh water shrimps, snails, tubifex worms and mussels.

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