Every so often, my adopted cat brings home geckos in two pieces, namely the still-moving tail and the rest of the body (also still moving). But there is never any obvious blood. Why?
• Wild animals often must recover from severe injuries, or die. Where we live, I am repeatedly amazed to see game birds survive incidental injuries and regain normal use of loosely flapping broken legs or wings that had been very crooked.
The realities of natural selection are so extreme that many snakes, insects, fish or birds have developed highly effective self-healing abilities. As a result, they can…
