Guanaco are humpless camels and wild ancestors to llamas. Their habitat includes grassland, scrub and desert in the mountainous south west of South America. They are grazes with a diet of plants, grasses and mosses. They are territorial animals and a single male will live with several females and young. Females give birth to usually one offspring after approximately an 11 month pregnancy. Lifespan is about 15-20 years.