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A tiny, angry, desert rain frog blurts out an unexpected squeak.

There are all sorts of incredible species of animal in the world, but there are a few that we think are special. We love them for their big eyes or furry faces but we also fall for the sounds they make and the way they move - who doesn't love a waddling penguin? These animals have become online celebrities, with millions of us finding and sharing videos every day - a tiny snoring hummingbird or a sneezing panda is just too cute not to share.

Gordon Buchanan has dedicated his life to filming wildlife. He wants to understand why we have such a strong emotional response to these particular species. Why a baby panda makes us go all gooey or why a squeaking frog got over 11 million internet hits. Travelling to meet these super cute animals, he reveals the surprising science behind each of the animals we love…