Llamas are pregnant for an average of 350 days — approximately 11.5 months. As induced ovulators, llamas trigger ovulation through the act of mating, making the breeding date a reliable starting point for calculating the expected birth date. Use our llama gestation calculator to get your dam's expected cria birth date instantly.
Llama Gestation Period: The Basics
The average llama gestation period is 350 days, with a normal range of 330–365 days. Most llamas give birth (parturition) between days 340 and 360. Unlike horses or cattle, llamas almost always produce a single offspring — twins are extremely rare and usually do not survive due to placental insufficiency.
A key reproductive characteristic of llamas is induced ovulation — the ovary releases an egg in response to mating rather than on a regular cycle. This means llamas can be bred at any time of year, and the breeding date directly corresponds to ovulation, making due date calculations more precise than in spontaneous ovulators like cattle.
Llama Gestation vs. Alpaca Gestation
Llamas and alpacas are closely related camelids with similar but not identical gestations. Alpacas typically gestate for 335–345 dayson average — slightly shorter than llamas. Both species share the same birthing characteristics, including daytime parturition preference and highly precocious crias.
Why Do Llamas Give Birth During the Day?
One of the most distinctive features of llama parturition is the preference for daytime births. Most llamas give birth between 8 AM and 2 PM. This is thought to be an evolutionary adaptation from their native Andean highlands, where nighttime temperatures can drop dramatically. By giving birth during the warmest part of the day, the cria's fleece has time to dry before temperatures fall.
This knowledge is practically useful for llama owners: if your dam begins showing strong labor signs after 4 PM, be prepared for a long evening and have your veterinarian on call. Prolonged nighttime labor in llamas is associated with higher intervention rates.
Signs a Llama Is About to Give Birth
- Udder filling and waxing — the udder becomes engorged and may show colostrum droplets in the final days
- Ligament relaxation — the muscles around the tailhead and vulva soften visibly
- Humming — increased vocalizations, especially a distinctive soft hum
- Restlessness — lying down and getting up repeatedly, spending time alone
- Loss of appetite — reduced interest in feed in the 12–24 hours before birth
Active labor in llamas is typically brief — most crias are delivered within 30 minutes of active pushing. If active labor has lasted more than 30 minutes without progress, contact your veterinarian.
Caring for the Newborn Cria
A healthy cria should be standing within 30–60 minutes of birth and nursing within 1–2 hours. The first milk (colostrum) is essential for passive immunity transfer — crias must receive adequate colostrum within the first 6 hours of life.
Immediately after birth, dip the navel in 7% iodine to prevent naval ill (omphalitis). Weigh the cria: a healthy llama cria weighs 18–35 pounds. A cria under 18 pounds or one that fails to stand within 2 hours requires veterinary attention.
Crias are vulnerable to hypothermia in cold weather. Keep a cria coat on hand and ensure the birthing area is draft-free. Normal cria body temperature is 99–101°F (37.2–38.3°C).
How to Calculate Your Llama's Due Date
Add 350 days to the breeding date for the expected cria birth date. Our llama gestation calculator shows the full 330–365 day range and key milestones. For comparison with other animals, see our full animal gestation periods chart.
Sources & References
- USDA — Llama and alpaca production data
- Penn State Extension — Camelid reproduction and management
- Merck Veterinary Manual — Camelid reproduction