A common mistake when writing adventures set in deserts is to assume that the climate is too ferociously hot to wear armor. Historically, most battles in deserts involved troops dressed in protective armor. Although they would have been miserable during the hottest part of the day or the hottest part of the year, desert weather isn't intolerably hot 24/7.
Duck-Billed Bird-Dog. This creature has the hindquarters of a hunting dog such as a Labrador Retriever, and the forequarters of a duck, including webbed feet and a wide beak. It also has the wings of a duck.