Monday, March 5, 2012

Spring Pond Critters

Just as spring appears on land--so are plants and animals waking up in our ponds, lakes, and streams. This year, a bit early, I found a couple snails moving around already. The snail in the photo is right handed---which is an indicator of water quality. Left-handed snails have gills and require a better water quality than right-handed snails. This sample came from a pond in a wetland.

The other critter in the photo is a diving beetle. This beetle will swim up to the surface every now and then---stick its rear above the water line and grab a bubble of air to carry with it as it hunts below the surface. The beetles are often active all winter long.    

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