Narrator: As we see here, male hedgehogs will always do battle to establish domin- Hedgehog: Ooh, this water is nice and cool to stand in, and I'm really thirsty... yeah, whatever, mate, I'm having a drink, you do what you like.

Black and white video from an infrared camera in a suburban back garden. A hedgehog is about to drink from a terracotta planter saucer of water to the left of a paved path. Another hedgehog has come out of a wooden feeding station to the right, and prepares to challenge the first. Second hedgehog charges, and stumbles into the water. After a few seconds thought, he decides getting a drink is far more important and does so, ignoring the other hedgehog completely.