We know that animals sense the world in any number of ways depending on the species. Dogs, for example, have awful eyesight and low horizon line. So instead of depending on their vision, they ...

But small animals have a critical flicker fusion frequency much higher than ours; the common starling, for example, an invasive species originally from Europe, has a refresh rate many times higher.

From dolphins to crows, each example highlights how animal intelligence challenges what we think about the human-animal gap. The host explains fun facts and real-world studies that prove these ...

The vast majority are the invertebrates, the animals without backbones. Not all are so small – some squids and jellyfish are several metres long or across. Most, though, are small and unassuming.