frogs in ice melt

Wakanomori and I went walking with a friend at the Quabbin Reservoir, and we came to a little pool that was alive with frogs, swimming around in the melting water above the ice still covering the pool. Amazing! Aren't they cold blooded? But they didn't seem to mind the icewater--they swam powerful breaststrokes this way and that in the three inches of water above the ice.

Wakanomori took this video. You have to turn the sound up very high in order to hear them, probably. Unfortunately, no closeu...