The staple fish is having an identity crisis.

Four-year old Simon is lost. His mother was in front of him just a moment ago, standing right there next to the grocery-store pyramid of apples, but now she’s gone. He looks past the lemons, the pears, the bananas, but still can’t see her. “Mom?” he cries, hoping she’ll come to his rescue. “Mom? Mom!” […]

Out in the clear waters near the Great Barrier Reef, a common blanket octopus male swim toward a female. This male need not worry about showing his brightest colors or engaging in a showy battle of strength in hopes of winning the female’s permission to approach. In fact it’s unclear if the female even notices […]

As nature scales, complexity gives way to universal law.

In the center of the photo, standing amid dry brush and trees, is something’s butt. I have 50-some animals to choose from, and I’m really not sure whose butt it is—maybe a duiker’s, a small, deer-like creature. “If you see an animal, please mark it,” the instructions say, “even if you’re not sure, or have […]

Once, while fishing for salmon, I hooked a clam. It fought bravely, and when I finally pulled it from the water I could see that I hadn’t just snagged it, as you might expect, but that it had taken the bait willingly. These are minor points; what matters here is that the clam, so different […]