Eerie wails pierce the morning calm of lowland rainforest in eastern Madagascar and are soon joined by more. The haunting cries are the song of the indri – a critically endangered, metre-tall lemur.

When you start your guitar journey, it’s very easy to imagine that you’d need to learn hundreds of different things before you can master a song or two. The good news is, that isn’t entirely true.

A behavioural study published in the British Ecological Society’s Journal of Animal Ecology has linked reproductive success in male rock hyraxes to their ability to maintain rhythm during courtship ...