By: Molly Yesalavich, Somerset County 4-H Summer Intern, Rutgers University

Melissa Bright, Somerset County 4-H Agent, Rutgers University

Adult alpaca and cria (left) and adult llama and cria (right).

If you’ve ever visited a farm and seen a long-necked animal staring back at you, you might have wondered if it was an alpaca or a llama. They are part of the camelid family, which includes llamas, alpacas, vicuñas, guanacos, and even camels. Camelids are native to the Andes Mountains of South America, where they have lived alongside humans for thousands of years. They are known for their gentle personalities, padded feet that protect the soil, and their adaptability to the mountain climates (University of California Agriculture and Natural Resources, n.d.).

Before diving into the differences between llamas and alpacas, let’s start with the cria, the youngest member of the family. A cria is the name for a baby alpaca or llama. Both species give birth to a single cria after a long pregnancy. Llamas carry their young for about 350 days or longer, while alpacas’ gestation lasts around 335 days or longer. A newborn llama usually weighs between 20 and 35 pounds, and an alpaca cria usually weighs around 15 to 20 pounds. Within an hour of birth, most crias are already standing and nursing. They stay close to their mother and are weaned between four to six months of age. Crias are curious and social, often communicating through humming sounds, which is a behavior that continues through adulthood (University of California Agriculture and Natural Resources, n.d.).

Llamas are one of the larger members of the camelid family. Adult llamas can weigh between 250 and 450 pounds and stand at about 3.5 feet tall at the shoulder and up to six feet at the head. Their long, banana-shaped ears and strong bodies make them good pack animals, capable of carrying 70 to 120 pounds of gear. Llamas are also used as guard animals for smaller livestock such as sheep and goats because of their size and alert nature. They have coarse fiber with stiff guard hairs, which makes their fiber ideal for rugs, ropes, and outerwear rather than fine clothing. Llamas are calm but assertive, and while they do spit, it is usually directed at other llamas rather than people (University of California Agriculture and Natural Resources, n.d.).

Alpacas are smaller and gentler than llamas. Adult alpacas weigh between 130 and 200 pounds and stand at about three feet tall at the shoulder. Their ears are short and spear-shaped, and their faces are rounder and softer than a llama’s. Alpacas are bred primarily for their fleece, which comes in 22 natural colors ranging from white to black and every shade of brown and gray in between. Their fiber is lightweight, hypoallergenic, and warmer than sheep’s wool, making it perfect for scarves, sweaters, and blankets.

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Huacaya alpaca (left) and llamas (right).

There are two main types of alpacas, which are Huacaya and Suri. Huacaya alpacas have dense, crimpy fleece that looks fluffy and wool-like, while Suri alpacas have silky, mop-like locks that hang down like dreadlocks. Both types are shorn once a year, usually in the spring, to keep them cool and healthy. Alpacas are herd animals that thrive in groups. They graze on grass and process food through one stomach with three chambers, which helps them absorb nutrients efficiently.

Both species share interesting reproductive traits. They are induced ovulators, meaning they do not have a regular heat cycle; instead, ovulation occurs about 24 to 36 hours after breeding. Female llamas reach reproductive maturity at 15 to 18 months, while alpacas mature slightly earlier, at 14 to 16 months. Males of both species mature around two to three years of age. Both species live about 15 to 25 years (University of California Agriculture and Natural Resources, n.d.).

Camelids are expressive animals that communicate through body language. They use ear position, tail position, and posture to show emotions. Forward ears signal curiosity or interest, while pinned-back ears can mean irritation. Humming is their most common sound, used to express curiosity or nerves. Spitting, foot stomping, and kicking are signs of annoyance or dominance rather than aggression toward humans.

In terms of care, both llamas and alpacas require annual vaccinations, routine deworming, toenail trimming, and annual shearing. They need constant access to clean water and should be monitored closely for signs of heat stress, such as lethargy or heavy breathing during warm periods. Camelids are stoic animals that rarely show pain until an illness has progressed, so observing their normal behavior is important to noticing subtle changes.

Nutritionally, adult llamas and alpacas regurgitate food and chew cud but have a slightly different stomach anatomy than cows or sheep. Camelids are also environmentally friendly grazers. Their padded feet prevent soil compaction, which helps maintain healthy pastures.

The easiest way to tell alpacas and llamas apart is to think of llamas as the strong, tall cousins built for guarding herds, and alpacas as the smaller, softer relatives. And every llama and alpaca starts life as a cria, a curious, wide-eyed baby discovering the world.

Works Cited

University of California Agriculture and Natural Resources. (n.d.). Llamas and alpacas | Small acreage landowners. https://ucanr.edu/site/small-acreage-landowners/llamas-and-alpacas

Photos: Somerset County 4-H Alpaca Club and Swallow Hill Alpaca Farm

Pictured by: Molly Yesalavich, Somerset County 4-H Summer Intern, Rutgers University

Crias, Alpacas, and Llamas: Spotting the Differences in the Camelid Family