
Lambs don’t have horns. Horns only grow in the first two or three years of a sheep’s lifetime, but they will never be there from the start.
Therefore, lambs don’t have horns because lambs are sheep of ages of up to 12 months, and at that stage, the horns don’t yet start to grow.
Some sheep breeds will have horns, while other breeds don’t have horns at all. The breeds that do have horns will start growing their horns only at the ages of two or three years old, so the majority of sheep won’t have horns before that stage.
Lambs don’t have horns because the horns don’t grow at such an early stage.
When do Sheep Horns Start to Grow?

Sheep horns start growing at the ages of two or three, and sometimes earlier or later. Some sheep breeds might start to develop horns earlier than that, but this is a rarity only seen with sheep breeds such as Bighorn sheep.
Not all sheep breeds have horns, but those who do start developing them at the ages of between 2 and 3 years old.
The horns will start to develop slowly and initially, they might not even be visible. At first, they will start to show up as small bumps on the sheep’s head before growing eventually.

At the ages of two or three, these horns will start to grow and will take several months to fully grow. With rams, these horns will take much longer to grow fully, as it might take a full year for the horns to grow out fully. With ewes, this process can be slightly faster since the horns are much smaller.
The growth rate will also depend on the breed of the sheep as well as gender. With some sheep, such as Bighorn sheep, the growth will start slightly earlier and it might take longer for the horns to develop fully since these horns are very large. With others, the process starts later.
Related: Do Male Sheep have Horns?
Do All Sheep Have Horns?

No, not all sheep have horns. The majority of domestic sheep don’t have horns or they’re only visible with male sheep or rams. Some wild sheep will see horns grow in both rams and ewes.
The majority of domestic sheep don’t have horns. This has happened evolutionarily. Domestic sheep don’t need horns as much as wild sheep because they don’t face natural predators as much.
They’ve gotten used to the safety of human protection, so they don’t rely on horns as much.
Other sheep breeds that live in the wild, such as Bighorn sheep and Dall sheep will have horns. The bigger the horns, the more independent the animal is, and the more likely the sheep is to live longer. Horns provide the sheep with a level of safety so they can defend themselves against their predators.
So whether the sheep will have horns will primarily depend on the sheep species but also on the disposition of the sheep and their habitat. Sheep that live in the wild are several times more likely to have horns than those who are domesticated.
Related: Do Sheep have Hooves?
Do Ewes Also Have Horns?

Some ewes will have horns, but they are, in the majority of cases, only visible with rams or male sheep.
Horns in ewes are mostly visible with sheep species that live in the wild, such as Bighorn or Dall sheep.
The horns of these sheep, however, are much smaller than the horns of the rams, because ewes don’t need these horns to fight other males. Females might use them for self-defense if truly needed.
Males, on the other hand, will use their horns to assert their dominance over other males.
The rams with bigger horns are seen as more masculine and better providers than the rams with smaller horns, therefore, they are more likely to be seen as good breeding partners by the females.
The main reason why ewes don’t have horns is that they don’t need them as much as rams do. The main purpose of horns is to assert dominance over other males and potential mates, so ewes don’t need them as such. They will rely on rams for defending the herd and keeping the ewes safe.
Some ewes will have horns, and they will sometimes use them for self-defense. Horns in females are mainly seen in wild species that are more exposed to potential predators. They will use horns to defend themselves if needed. The horns of ewes are much smaller than the horns of rams.
Related Article: Is a Lamb a Goat or a Sheep?
Are Lambs Born with Horns?

No, lambs are not born with horns. Horns will only start growing at the age of about two when they will start developing and growing much faster. Horns aren’t present in lambs from birth.
Lambs will not have horns as these will only start to grow when the sheep start to grow older. In some rare cases, lambs might already have small horns that might look like small thumbs or bumps, but these are usually so small that they can’t be noticed, or at least, not big enough to be of any use.
Sheep with larger horns are more likely to have visible horns from birth. This is the case often with Bighorn sheep that have slightly visible horns right from birth. But these horns will only start to grow larger when sheep reach the age of at least two. That is when most horns will see the fastest growth.
Related Articles about Lambs:
- Why Do We Eat Lamb and Not Sheep?
- Is Lamb Considered Beef?
- When are Lambs Born?
- What Animal do Lamb Chops come From?
Final Thoughts
To conclude, the majority of lambs don’t have horns from birth. Instead, horns start growing at the ages of two and three, which is when these horns will see the most rapid growth. Rams are more likely to have horns than ewes, although some ewes of some sheep breeds will also develop horns, but these will be much smaller.
With some sheep breeds with larger horns such as Bighorn sheep, horns might already be present in lambs. These will be seen as small bumps or thumbs, but they will start to grow more significantly at the age of one or two.

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