A
Species Profile

Alpaca

Vicugna pacos

Small camelid, world-class fleece.
1Roman Makedonsky/Shutterstock.com

Alpaca Distribution

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Origin Location

This map shows the native origin of the Alpaca. As a domesticated species, they are now found worldwide.

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Size Comparison

Human 5'8"
Alpaca 2 ft 11 in

Alpaca stands at 52% of average human height.

Cute Alpaca on the farm

At a Glance

Domesticated
Diet Herbivore
Activity Diurnal+
Lifespan 18 years
Weight 90 lbs
Status Not Evaluated
Did You Know?

Adult size: typically ~55-65 kg body mass and ~0.9 m at the shoulder (smaller and finer-fleeced than llamas).

Scientific Classification

The alpaca is a domesticated camelid native to the Andean regions of South America, kept primarily for its valuable fiber and also for meat in some areas. It is closely related to the vicuña and is distinct from the larger llama.

Kingdom
Animalia
Phylum
Chordata
Class
Mammalia
Order
Artiodactyla
Family
Camelidae
Genus
Vicugna
Species
Vicugna pacos

Distinguishing Features

  • Smaller and more compact than llamas; generally finer, denser fleece
  • Shorter, more spear-shaped ears than llamas
  • Primarily bred for fiber (Huacaya and Suri fleece types)
  • Camelid body plan: long neck, padded feet, ruminant-like digestion (but not true ruminants)

Physical Measurements

Height
2 ft 11 in (2 ft 8 in – 3 ft 3 in)
Length
5 ft 6 in (4 ft 5 in – 7 ft 3 in)
Weight
154 lbs (121 lbs – 198 lbs)
Tail Length
8 in (6 in – 10 in)
Top Speed
31 mph
Reported ~50 km/h (limited data)

Appearance

Primary Colors
Secondary Colors
Skin Type Mammalian skin covered by dense fiber (fleece). Two main fleece types are commonly described: a dense, crimped fleece giving a plush appearance, and a long, silky fleece that forms hanging locks.
Distinctive Features
  • Domesticated Andean camelid bred primarily for fine fiber/fleece (not primarily a pack animal like the larger llama).
  • Typical adult size: ~81-99 cm at the shoulder (withers) and commonly ~55-65 kg body mass (often reported overall range ~45-90 kg depending on sex, age, and body condition).
  • Lifespan commonly ~15-20 years; individuals may live to ~25 years under good husbandry (veterinary and husbandry references commonly report these ranges).
  • Smaller and more compact than llamas; head generally shorter and more refined; ears are shorter and spear-shaped rather than the longer 'banana-shaped' ears typical of llamas.
  • Feet are soft and padded with two toes and nails (camelid foot), adapted for rough Andean terrain and causing less ground impact than hard-hoofed ungulates.
  • Long neck, upright posture, and a split/cleft upper lip (prehensile) used for selective grazing/browsing.
  • Dense fiber coat covers most of the body; fiber is shorn for textile use (fine, low-lanolin fiber compared with sheep).
  • Common camelid behaviors include communal dung piles (latrines) and spitting (typically as a social/defensive behavior, more frequent in males during disputes).
  • Ruminant-like foregut fermentation (three-compartment camelid stomach) rather than a true four-chambered ruminant stomach-important distinction from sheep/goats.
  • No wild alpaca populations: the alpaca is a domestic form derived from South American camelids; free-ranging animals are feral, not wild.

Sexual Dimorphism

Sexual dimorphism is generally subtle in alpacas; males tend to be slightly larger and develop more prominent fighting teeth (canines) used in male-male competition.

  • Often slightly heavier and more robust in head/neck compared with females (population averages vary by herd and nutrition).
  • More pronounced, functional upper and lower canine teeth ('fighting teeth') in mature males; may be blunted by husbandry to reduce injury risk.
  • May show stronger territorial/aggressive behavior toward other males, including chest-ramming and spitting.
  • Often slightly smaller and more lightly built on average.
  • No external horn/antler structures; females generally have less prominent fighting-tooth expression/usage than mature males.
  • Typically less involved in aggressive dominance disputes; spitting more often defensive than competitive.

Did You Know?

Adult size: typically ~55-65 kg body mass and ~0.9 m at the shoulder (smaller and finer-fleeced than llamas).

Gestation averages ~11.5 months (about 342-350 days); usually a single cria is born, commonly ~6-9 kg at birth.

Typical lifespan is ~15-20 years; well-kept individuals can reach ~25 years.

Alpaca fiber diameter commonly ranges ~15-40 micrometers (fine "baby alpaca" can be less than ~22.5 micrometers in textile grading).

They use communal "dung piles," a hygienic behavior that helps keep grazing areas cleaner and may aid social scent-marking.

Two fleece types are recognized: Huacaya (dense, crimped "teddy bear" fleece) and Suri (long, silky locks).

Unique Adaptations

  • Padded feet with two-toed nails: soft pads reduce impact and erosion compared with hard-hoofed livestock-well-suited to fragile Andean soils.
  • Split, prehensile upper lip: helps them selectively graze short alpine plants efficiently.
  • Three-compartment forestomach (C1-C3): a camelid fermentation system that extracts nutrients from coarse forage (functionally analogous to ruminants, but anatomically distinct).
  • Cold-adapted physiology and fleece: dense fiber and efficient thermoregulation support life in high-elevation Andean climates (often >3,000 m in traditional husbandry regions).
  • Long neck and large field of view: aids scanning open landscapes for predators; pairs well with group alarm calling.

Interesting Behaviors

  • Communal dung piles: herds repeatedly defecate in the same spots, creating latrines that can persist for years.
  • Spitting as a social tool: usually directed at other alpacas during disputes (often a mix of saliva and partially fermented stomach contents).
  • Alarm calling: a sharp, repetitive call can trigger group vigilance and herding together when a threat is noticed.
  • "Cushing": resting in a sternal sitting posture with legs folded under the body, typical of camelids.
  • Humming and soft vocalizations: frequent low hums are used for contact, mild distress, or general social communication.
  • Induced ovulation: females ovulate in response to mating rather than on a fixed cycle, a reproductive trait shared with other camelids.

Cultural Significance

Alpaca (Vicugna pacos) are central to Andean life and weaving. Their lighter, finer fleece has been prized since Inca times and supports co-ops, weavers, and luxury markets. They shape local identity and tourism, are sometimes eaten, and are smaller than llamas with short, straight ears.

Myths & Legends

Andean creation stories say creator Viracocha gave people camelids, llamas and alpacas, as vital companions in the sacred high mountains, providing fiber, food, and transport for life there.

In parts of the Andes, offerings (pagos/despachos) to Pachamama (Earth Mother) are made to protect herds; alpacas may be ritually honored in seasonal ceremonies asking for fertility, healthy crias, and abundant fiber.

In Andean stories, camelids like the alpaca (Vicugna pacos) are linked to the puna spirit world. Herds are gifts that must be respected with careful herding and rituals; trouble comes if ignored.

Local stories say colonial times disrupted Inca camelid herds: European livestock caused alpaca (Vicugna pacos) declines, and people tell these tales to show highland herders' endurance and how they kept their culture going.

Conservation Status

NE Not Evaluated

Has not yet been evaluated against the criteria.

Population Stable

Life Cycle

Birth 1 cria
Lifespan 18 years

Lifespan

In the Wild
15–20 years
In Captivity
15–25 years

Reproduction

Mating System Polygyny
Social Structure Managed Domestic
Breeding Pattern Transient
Fertilization Internal Fertilization
Birth Type Internal_fertilization

Behavior & Ecology

Social Herd Group: 12
Activity Diurnal, Matutinal, Vespertine
Diet Herbivore High-quality grass forage (commonly timothy/orchardgrass-type hay or fresh grass pasture); alpacas are selective grazers that preferentially take tender leaf material when available (selective grazing behavior described for South American camelids).

Temperament

Highly social and group-oriented; isolation typically elevates vigilance and stress-related behaviors (pacing, increased calling).
Generally cautious/alert rather than bold; individuals show increased vigilance when novel stimuli appear, with rapid social facilitation (one animal's alarm response spreads through the herd).
Intraspecific conflict is usually ritualized (stiff posture, ear position changes, neck threats) but can escalate to chasing, chest-butting, and spitting-most often in intact males during dominance disputes or breeding access.
Habituation to routine handling is common; however, temperament varies substantially by early handling, stocking density, and sex (intact males more likely to show territorial/dominance aggression).

Communication

Hum (low-frequency tonal call): the most common contact/coordination call used at close-to-moderate distances within the herd.
Alarm call (sharp, high-pitched call): triggers collective vigilance and bunching; commonly elicited by canids, sudden movement, or unfamiliar humans.
Male breeding vocalization ('orgling'): guttural/continuous vocal output by males during mating/sexual arousal, associated with mounting and courtship.
Distress squeal/scream: higher-intensity call associated with restraint, acute conflict, or pain.
Cluck/click-like sounds: short-range signals often observed in mild arousal contexts Handling, mild agitation
Spitting (often regurgitated stomach contents): a distance-increasing signal used in dominance disputes, during feeding competition, and by females rejecting males.
Body posture and facial/ear signals: ear pinning, neck extension, head tilt, and stance changes convey threat, submission, or attention; tail carriage changes accompany arousal.
Olfactory signaling via communal dung piles Latrines): alpacas typically defecate in shared locations, providing persistent social/territorial information (group presence, reproductive status cues
Flehmen-like investigation and olfactory sampling: used particularly by males to assess female reproductive status.
Tactile contact: nose-to-nose greeting, neck/shoulder contact, and proximity-maintenance behaviors help maintain cohesion, especially between dams and cria.

Habitat

Biomes:
Alpine Temperate Grassland Desert Cold Wetland Desert Hot Savanna Temperate Forest Tundra +2
Terrain:
Mountainous Plateau Hilly Valley Plains
Elevation: Up to 16404 ft 3 in

Ecological Role

Primary consumer (selective grazer/foregut fermenter) in high-elevation grassland/pasture systems; in domesticated contexts, a managed grazer influencing pasture composition and nutrient cycling.

Vegetation regulation via selective grazing (can shift grass/forb composition and sward structure) Nutrient cycling through dung deposition (localized fertilization; supports detritivore and soil microbial communities) Potential seed dispersal of some pasture/grassland plants via endozoochory/epizoochory In managed Andean landscapes, camelid grazing is often associated with lower soil compaction/erosion risk than hard-hoofed livestock due to padded feet (context-dependent, management-dependent)

Diet Details

Other Foods:
Andean bunchgrasses Forbs Shrub leaves and twigs Pasture grasses and hays Legume forages

Human Interaction

Domestication Status

Domesticated

Alpaca (Vicugna pacos) is a fully domesticated South American camelid that came from the wild Vicugna vicugna. People began domesticating camelids in the central Andes about 6,000–7,000 years ago. Alpacas were bred for fine fiber and now are kept as livestock for fiber, farming, tourism, and cultural uses.

Danger Level

Low
  • Kicks (can strike forward/sideways; risk increases during restraint, shearing, or if startled)
  • Bites/pinching (uncommon but possible, especially intact males or poorly socialized animals)
  • Spitting (usually directed at other camelids; can occur to people during high stress/handling)
  • Zoonotic/health risks typical of livestock settings (e.g., dermatophyte ringworm; enteric pathogens via fecal contamination; ectoparasites), mitigated by hygiene and veterinary care
  • Handling injuries to humans during capture/restraint (rope burns, falls), emphasizing need for proper facilities and trained handling

As a Pet

Not Suitable as Pet

Legality: Alpacas (Vicugna pacos) are usually legal to own as farm livestock in many countries (U.S., Canada, UK, Australia). Local zoning, minimum acreage/animal rules, transport/import permits, and health testing or quarantine may apply.

Care Level: Moderate

Purchase Cost: $500 - $5,000
Lifetime Cost: $12,000 - $40,000

Economic Value

Uses:
Fiber production (primary) Meat (regional/secondary) Breeding stock and genetics Agrourism/education/therapy programming Manure for soil amendment
Products:
  • alpaca fleece yarn, roving, textiles (Huacaya and Suri types; valued for softness/thermal properties)
  • raw fleece (annual shearing; commonly ~1.5-3.5 kg per animal depending on age, sex, and line)
  • meat products in parts of the Andes (consumption varies by region and market)
  • stud services/registrations and sale of breeding animals
  • farm visits, trekking experiences, and educational programs

Relationships

Related Species 6

Vicuna
Vicuna Vicugna vicugna Shared Genus
Llama
Llama Lama glama Shared Family
Guanaco Lama guanicoe Shared Family
Dromedary camel Camelus dromedarius Shared Family
Domestic Bactrian camel
Domestic Bactrian camel Camelus bactrianus Shared Family
Wild Bactrian camel Camelus ferus Shared Family

Alpaca Breeds

2

Explore 2 recognized breeds of alpaca

Huacaya Origin: Andean Altiplano (Peru/Bolivia/Chile/Argentina)
Suri Origin: Andean Altiplano (Peru/Bolivia/Chile/Argentina)

The alpaca is a camelid mammal native to South America.

Closely related to its larger cousin, the llama, the two species are able to interbreed. Yarn spun from alpaca wool is popular for warm, soft sweaters, socks, mittens, and hats, making the fur of these domesticated animals a valuable commodity.

Five Incredible Alpaca Facts!

adorable baby alpaca

Alpacas’ stomachs have three chambers.

  • The ancient Incas first domesticated the alpaca more than 6,000 years ago. They made robes of alpaca fur for the nobles and royalty.
  • Alpacas’ stomachs have three chambers.
  • The single alpaca species has two breeds: the dreadlocked Suri and the fluffy huacaya.
  • Most of the noise alpacas make is humming. Depending on the situation, this expresses contentment, curiosity, boredom, caution, or distress.
  • When llamas cross-breed with alpacas, the baby is called a huarizo.

You can check out more incredible facts about alpacas.

Scientific Name

The scientific name for alpaca, Vicuña pacos, reflects its descendency from the vicugna, an ancient, wild camelid mammal. Prior to 2001, these animals were called Lama pacos.

However, a DNA study revealed it descended from the vicugna rather than the guanaco, the llama’s forbear. This fact generated the name change.

Huacay is the most prevalent breed of alpaca in Australia and South America. Australia has fewer Suri alpacas than other countries. Farming Alpacas have been around since 1989. They have existed in Australia, where there is a small but close-knit alpaca farming community.

Evolution and Origins

Alpacas’ ancestors originated in North America. They changed into the modern camel during their migration to the north across the Bering Bridge. Alpaca, llama, vicuna, and guanaco are South American Camelids, which are a result of migration to the south.

Alpacas are South American natives that were developed from the now-rare and protected Vicuna wild breed. The wild Guanaco, which is still very abundant throughout South America, is the ancestor of the llama. Both of them are members of the camelid family, which includes Asian camels.

Alpacas are thought to have originated around 6000 years ago through breeding largely influenced by the vicuna. The alpaca and the wild vicuna are very similar in terms of size, fiber, and dentition.

Appearance

Colorful group / pack of Alpacas

Colorful group/pack of Alpacas

The alpaca is a smaller animal than the llama, although the two resemble one another in several ways. These animals stand 32-39 inches from foot to wither, and they measure an average of 5.5 feet in length. They have small heads, large eyes, flame-shaped ears that stand up, and long necks.

The two breeds have different types of fur. The huacaya breed, which comprises about 90 percent of the world’s alpacas, has thick, fluffy fleece adapted for life at cool, high altitudes. The suri breed has silkier fur that grows into long dreadlock-type curls.

Experts believe their silkier, less dense wool is the product of life in a lower, more temperate mountain environment. Right after shearing, alpacas look more like humpless camels than llamas.

Alpaca Vs. Llama

Cute Alpaca on the farm

Cute Alpaca on the farm

Some similarities and differences in appearance between alpacas and llamas include:

  • Ears: Alpacas’ ears are short and flame-shaped while llamas’ are longer and banana-shaped.
  • Head: The alpaca’s head is shorter and blunter than a llama’s head.
  • Weight: Alpacas average around 150 pounds while llamas are more than twice that weight.
  • Height: Llamas are about 10 inches taller at the withers than alpacas.
  • DNA: Llamas are descended from the guanaco while alpacas are descended from the vicugna, both wild camelid mammals.
  • Use: Alpacas are animals that are prized for their soft, warm, and fire-resistant wool while llamas are mainly employed as pack animals and guards for domestic herds such as sheep.
  • Disposition: Alpacas are timider than llamas.

Behavior

Cute white Alpaca with lots of wool on a lush green grass background

Cute white Alpaca with lots of wool on a lush green grass background

Overall, this small camelid mammal is intelligent, gentle, and friendly. It lives in herds and is very sociable with other alpacas. Within each herd, family groups each consist of several females and their young plus an alpha male. Like other ruminants such as horses, they can be flighty and nervous when they sense a threat is nearby. Males can get aggressive and sometimes fight other alpaca males.

These animals communicate through body language and the sounds they make. Sometimes a male will stand broadside before his family with his ears all the way back. This is a protective pose. To a baby, a larger object or animal means protection, and the baby will follow or sit near it.

These animals hum when they are happy, bored, curious, worried, or distressed. A mother and baby may hum together when bonding. A mother may cluck, henlike, when worried about her cria. A male might cluck in welcome to others.

When it feels threatened, like when a strange alpaca is crowding its space, this animal snorts. It may also make a gurgling sound to warn others.

This animal can make loud sounds of distress too. When mishandled or physically threatened, it can voice an ear-splitting scream. Males screech to intimidate other males when fighting for dominance. Females screech when upset, but it sounds more like a growl.

Habitat

baby alpaca closeup

Three young alpacas all different colors

Since the era of the Incas, these animals lived in domesticated herds in the Andes Mountain highlands. They live there still, sharing a habitat with other South American mountain natives like spectacled bears, mountain lions, condors, flamingos, and llamas.

These animals also adapt well to other environments. They live throughout the world on alpaca farms where farm workers harvest their wool for yarn and garment manufacturing.

Diet

These animals are grazing animals. They eat fresh grass in the field, hay, and occasionally, bark or tree leaves. Farmers sometimes supplement the hay with nutritional additives designed for special situations, such as pregnancy and lactation.

They are “easy keepers” because they don’t eat a lot. A 125-lb. animal only needs about two pounds of hay, or 1.5 percent of its weight, per day. The grass is difficult to digest because of its fibrous nature. Alpacas have stomachs with three chambers to do the job efficiently. This camelid mammal’s stomach also secretes acids that aid in digesting rougher forage so they can get the nutrients they need.

Predators and Threats

Larger carnivores who live in the same South American highlands prey on these animals. These include bears, maned wolves, and coyotes. Although they have few defenses against such predators, they do have long necks that allow them to see danger approaching.

In other locations, these animals are under threat from native wildlife, which may be gray wolves, packs of domestic dogs, and foxes. They can vocalize and spit to frighten off predators.

Reproduction and Life Cycle

Females do not have a specific breeding season. Instead, whenever they breed, it induces the reproduction process. Typically, they breed once per year because it takes up to 345 days for a baby to develop in the womb.

These animals have a single baby at a time. The average newborn weighs 8 to 9 kg (19 lbs). At around 7 months old, the mother weans the cria. Female juveniles will be ready to mate at 12 to 15 months. Males reach sexual maturity quite a bit later, at around three years of age.

Healthy animals can live as long as 20 years. One extraordinary alpaca lived to be 27.

Population

Three young alpacas all different colors

Three young alpacas all different colors

The largest population of these animals worldwide lives in the Andes Mountains of Peru. It accounts for more than 50 percent of all of them.

At one point in the 16th century, the species almost disappeared. Disease brought to South America by the Spanish invaders nearly decimated the population, killing 98 percent. Also, due to the conquest, the remaining animals had to move to higher ground, where they still live today.

During the 19th century, European settlers rediscovered the species and found the animal to be of value. They prized the animals for their wool and nurtured them. Thereafter, the remaining population began to recover and eventually once again become robust. Today, alpacas are not listed on the IUCN Red List of Threatened Species.

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Sources

  1. Wikipedia / Accessed November 25, 2020
  2. Live Science / Accessed November 25, 2020
  3. Britannica / Accessed November 25, 2020
  4. Bioweb / Accessed November 25, 2020
  5. Alpalca Owners Association / Accessed November 25, 2020
  6. Blue Planer Biomes / Accessed November 25, 2020
  7. Successful Farming / Accessed November 25, 2020
Rebecca Bales

About the Author

Rebecca Bales

Rebecca is an experienced Professional Freelancer with nearly a decade of expertise in writing SEO Content, Digital Illustrations, and Graphic Design. When not engrossed in her creative endeavors, Rebecca dedicates her time to cycling and filming her nature adventures. When not focused on her passion for creating and crafting optimized materials, she harbors a deep fascination and love for cats, jumping spiders, and pet rats.
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Alpaca FAQs (Frequently Asked Questions)

Alpacas and llamas are both native to the Andes mountains of South America. They are different, though, in several ways. Alpacas are smaller, their heads are shorter, and their ears are smaller than those of llamas. Alpacas have shaggy fur that, when spun into yarn, is silky, warm, and fire-resistant. Llamas have coarser fur. In addition, alpacas are timider than llamas. Llamas make better guard animals.