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How to Tell How Old a Baby Rabbit Is (Simple Age Guide)

Gary Brooks
Written by Gary Brooks Last Updated: December 21, 2023

Rabbits are curious creatures, aren’t they? I’ve had a few of my own and understanding their age was always a puzzle. It’s not as easy as asking them.

You might have found a baby rabbit in your yard or maybe you just bought one from the pet store. Now, you’re wondering how old it is. Figuring out its age can help us care for our furry friends better.

In this piece, we’ll look at some simple ways to estimate the age of your bunny without needing any special tools or skills.

How to Tell How Old a Baby Rabbit Is

Knowing how old a baby rabbit is can be tricky. Unlike humans, rabbits don’t show their age in the same way. But there are signs you can look for.

Firstly, let’s talk about size and weight. Newborn rabbits are tiny – just an inch or two long. They weigh less than an ounce at birth but double in size within a week.

At one to two weeks old, they’re still small but more robust looking with fur starting to grow out on their bodies now that they’ve started nursing from momma bunny.

How to Tell the Age of Young Rabbits (Less Than 1 Year)

Telling the age of a young rabbit can be tricky. However, there are some signs you can look for.

Firstly, check their size and weight. Newborn rabbits are tiny – about 3 to 4 inches long and weigh around an ounce or two.

By week one, baby bunnies start growing fur but still have closed eyes. They’re small enough to fit in your palm comfortably.

When they reach two weeks old, things change fast. Their ears stand up straight while their eyes open wide to explore the world around them.

At three weeks old, they’ve grown more fur and become very active with hops here and there within safe boundaries as they get used to moving on their own feet.

From eight weeks onwards, rabbits are considered young adults. They have all their adult teeth and their fur has its final coloration.

By twelve weeks or three months old, they’re almost fully grown though some breeds may continue growing until six to nine months of age.

So remember – size, weight, behavior changes can give you a good idea about how old your baby rabbit might be.

Approximate Age of Rabbits Based on Development Stages (1-2 Weeks, 2-3 Weeks, 1 Month, 2-4 Months, 4-6 Months, 6-12 Months)

Understanding the age of a baby rabbit can be tricky. But don’t worry, we’ll help you figure it out based on their development stages.

Let’s start with newborns to 2-week-old rabbits. They are usually hairless and have closed eyes. Their ears also stay flat against their bodies at this stage.

When your bunny is between 2-3 weeks old, changes occur quickly. The fur starts growing in more fully now. Eyes begin to open and ears perk up too.

By one month old, bunnies look like miniature versions of adult rabbits but they’re not quite there yet. At this point, they’ve grown most of their fur and have opened both eyes completely.

Moving onto the next phase which is from two months to four months old – here things get interesting. Your little friend will become more active as its body grows stronger each day while still maintaining that cute roundness associated with young buns.

Rabbits aged between four-six months go through what humans would call ‘teenage years’. This period involves lots of growth spurts along with increased curiosity about everything around them making for some entertaining moments indeed.

Growth May Be Dependent on Breed

Rabbits are known for their rapid growth. But did you know that the speed at which a baby rabbit grows can give clues about its age? This is especially true when considering different breeds.

Each breed of rabbits has unique traits. These include size, fur type, and even rate of development. So understanding your bunny’s breed can help determine its age.

For instance, smaller breeds like Netherland Dwarfs mature faster than larger ones such as Flemish Giants. A fully grown Dwarf may only be 1 to 2 pounds while a Giant could reach up to 20 pounds. The time it takes for them to reach these sizes varies greatly too.

A Netherland Dwarf will typically stop growing around seven months old whereas a Flemish Giant won’t until they’re one and half years old or more sometimes.

Their ears stand upright once they hit three weeks so if your pet’s ears have started doing this recently then chances are he/she is roughly three weeks old now.

In conclusion, knowing your rabbit’s breed and observing physical changes can help you estimate its age. But remember that these are just estimates – for a more accurate assessment consult with a vet who is experienced in treating rabbits.

Baby Bunny Age Chart

Figuring out a baby rabbit’s age can be tricky. But, there are some signs you can look for.

When rabbits are born, they’re hairless and their eyes are closed. This is the first stage of life.

After about seven days, fur starts to grow in. Their eyes remain shut at this point though.

Around day 10 to 12, things start changing fast. The bunny’s ears will stand up straight instead of lying flat against its head as before.

The next big milestone comes between two and three weeks old when the little one opens its eyes for the first time.

At four weeks old or so, your baby rabbit should have a full coat of fur now and it’ll begin eating solid food alongside mother’s milk.

You’ve got yourself an adult rabbit which means he must be over six months old already.

Visit the Vet for the Exact Age

Taking your baby rabbit to the vet is a surefire way to find out its exact age. Vets are experts in animal health and can provide accurate information. They have special tools and techniques that they use for this purpose.

A visit to the vet usually involves an overall check-up of your bunny’s health. This includes looking at their teeth, body size, fur quality, eyesight, and other factors. These aspects give vets clues about how old your rabbit might be.

The growth of a rabbit’s teeth plays a significant role in determining its age. Young rabbits have small milk teeth which fall off as they grow older making room for permanent ones.

Body size also gives some hints about the age of your pet bunny but it’s not always reliable because different breeds vary greatly in sizes even when fully grown up.

Fur quality changes with time too. Young bunnies typically have softer fur than adult ones do while elderly rabbits may show signs like thinning or graying hair.


Gary Brooks
Gary Brooks

Gary Brooks is an avid rabbit lover and has been taking care of them ever since he was a kid. He's written many books on the subject and frequently gives advice on diet, care and much more.

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