This is one of the most visible birds in the area - an oven bird (or as the official English name now is: 'Rufous hornero'). It has been given the trivial name because it builds its nest out of clay and in a shape that resembles a traditional clay oven. The bird can actually be sexed by observing the wing beats against the body when it sings. The bird beats its wings in time with the song - and the female beats her wings against the body more slowly while the male beats faster.