Females give birth to one baby, called a cria, who will walk shortly afterward. Yet pregnancy isnвЂ™t always obvious in alpacas, even toward the end. Gestation lasts an average of 342 days but can last just over a year. A male will pursue a female until she signals sheвЂ™s receptive by sitting down with her legs tucked under her in whatвЂ™s called cush or kush position.ДЄlpaca females donвЂ™t have consistent reproductive cycles with times of greater fertility-they only ovulate after having mated, at which point a female will actively reject male advances, a possible indicator of pregnancy. Outside of that range they can breed year-round. In their native environment of the Andes they breed seasonally. ThatвЂ™s because smaller females tend to have difficult births.

Females reach maturity between 10 and 12 months but are not usually bred until they are two years old and half their adult body weight. ReproductionДЄlpaca males become sexually mature at two and a half years old. One unambiguous alpaca sound is the shrill, shrieking whistle that the animals use as an alarm call. A soft clucking or clicking sound or a snort can mean mild aggression. Alpacas hum in a high tone to indicate a question, while humming in deeper tone, called a вЂњstatus hum,вЂќ can signal anything from contentment to tension or pain. They have a variety of vocalizations, some of which have multiple meanings.

TheyвЂ™re gentle, docile animals, which are kept in herds and sometimes also kept as companion animals or pets, though alpacas are so social that they only thrive if they live with at least one other alpaca. They are strict grazers, eating from the mountains and valleys of the Andes. Diet and behaviorДЄlpacas have sharp nails, but their feet are padded and so soft they donвЂ™t displace the grass theyвЂ™re standing on. These teeth-which can be over an inch long-are uncommon but not unheard of in herbivores. Males are somewhat larger and have more prominent canine and incisor teeth called fighting teeth or fangs. Male and female alpacas are very similar in appearance. They are typically sheared once a year in the spring or early summer before it gets too hot. Suri alpacas, whose coats have a corkscrew-like appearance with longer fibers and a silkier texture, account for the rest of the population. There are two domesticated breeds of alpaca: The huacaya, whose fleece is crimped, compact, and soft, makes up 90 percent of the alpaca population. Though they are farmed in many places including Australia, the United States, and the United Kingdom, their native lands are the mountains of the Andes, from Bolivia and Colombia down to Peru, Ecuador, and Argentina. They boast a variety of 22 coat colors, including white, black, beige, and many shades of brown and gray. Although they are often confused with their cousin, the llama, alpacas have shorter ears and blunter, but equally adorable, faces.ДЄlpacas are prized all over the world for their fleecy coats, which are shorn to make warm, soft, lightweight textiles. They are ungulates, a group of large hooved mammals that also include sheep and giraffes, with large bodies and legs, long necks, small heads, and medium-length fluffy tails. Alpacas are members of the camel family, domesticated by the people of the Peruvian Andes 6,000 years ago for food, fuel, and fiber.

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