Alpaca

A typical family group consists of a dominant male, several adult females, and numerous offspring.

An excerpt from the article 18 facts about Alpaca

An alpaca's gestation period is approximately 335-340 days, and usually one offspring is born, weighing up to 9 kg. The female will nurse the young for 6-8 months. Young alpacas reach sexual maturity between the first and second year of life.