May is for Mayflies
River surveying in the Thames today we found several mayfly nymphs; aquatic juvenile mayflies equipped with gills for underwater living. Mayflies spend most of their lives in this form. The adult life of a...
Tagged: Thames
Moments spent with Swans
Over the past couple of weeks, I have enjoyed some really lovely moments with London’s most graceful resident; the swan. We are very lucky that such a beautiful and charismatic bird is happy to live...
Snail shells
Two different types of snail shell discovered today in the Thames. The top one is a Nerite Snail (Theodoxus fluviatilis), the bottom one is a Laver Spire Shell (Hydrobia ulvae). Both can tolerate the...
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? The...