Rabbit Age: How to Tell How Old a Baby Rabbit Is?
Acquiring a rabbit is a desirable and fulfilling activity. However, the most difficult thing in introducing an adopted rabbit into your home is defining rabbit age how to tell how old a baby rabbit is. To properly care for your rabbit, especially diet, habitat, and medical care, the individual must know the age of their rabbit. Sadly, if one does not have the records of the rabbit before identification of its parent or age details from when it was adopted, then it is tricky to determine the actual age of a bunny. In this article, we see how to gauge a baby rabbit’s age and learn about different ways to determine a rabbit’s age in various periods of their life.
How to Tell the Age of Young Rabbits
In the case of young rabbits, guessing their age is not so difficult, as it can be done on the grounds of their physical development. Physical attributes and behaviors of rabbits also vary as they grow in different stages. Now, let us see how to determine the age of rabbits under one 1year old.
1-2 Weeks
Rabbits at this age depend on their mothers and never leave the nest. They are as small as shaving salt but weigh about 50 grams (1.7 ounces) each. The hair on the body is soft and scanty and virtually motionless. Their eyes are closed, and they continue nursing during this period. Baby rabbits at such a tender age are still fragile, and they must be cared for by their mother to be properly cared for.
2-3 Weeks
At that stage, we notice more activity from baby rabbits. Their fur becomes thick, and their eyes open for the first time. They wonder more, and they might start gnawing on some solid food. Even baby rabbits of this age still depend on their mother’s milk, but will begin to become more adventurous and curious about their surroundings. It is important for them at this stage as they start socializing and learn to cope with life outside the nest.

1 Month
A rabbit grows a lot when it is one month old. The fur on its body is almost fully grown; the ears of the rabbit will begin to go up, but they might still be somewhat floppy. At this point, rabbits start to wean from their mother’s breast milk and feed on solid foods regularly. Their movement is more organized, and they can hop and explore their surroundings.
2-4 Months
Rabbits between the ages of 2 and 4 months are in their juvenile stage. They are still achieving growth at a very high rate, and their coordination is increasing tremendously. From this stage, baby rabbits grow their adult coats, and their baby teeth fall off, and permanent adult teeth come into their place. They also do not lack energy as they hop and explore the world around them. Rabbits at this age may become territorial and require proper attention and socialization.
4-6 Months
Rabbits enter puberty at intervals of 4 – 6 months. Their physical growth slows down, but they are still growing and developing their social behaviors. Their ear is completely standing, and their coats are wholly adult in likeness. At this age, rabbits are usually at their best energy level and many are more independent, curious, and even playful. It is also the time when rabbits can exhibit some indications of being in puberty, which is why it is important to have them spayed or neutered so that they cannot start exhibiting unwanted behaviors.
6-12 Months
Those rabbits between 6 and 12 months of age are considered young adults but still immature. They are no longer growing. Thus, they have attained their full size and developed all their permanent teeth. Their personalities become more stable now, and they develop more specific behavior patterns. They are very active at this stage; their curiosity gets them into trouble when exploring their environments more rigorously. At this time, rabbits attain sexual maturity, so spaying/neutering becomes imperative to their health and behavior.
How to Approximate the Age of Adult Rabbits
With time, when the rabbits mature, it becomes hard to determine their age since the physical changes slow down. However, there remain several indicators that will help you to estimate the age of an adult rabbit. Knowing the age of your adult rabbit is important to take the necessary care towards it and address any possible health issues it may develop as it ages. In this part, we will study how you can estimate the age of adult rabbits based on their physical characteristics, behavior, and condition in general.
Young Adult Rabbits
Rabbits at this age have grown up and attained their maximum size. Their physical look is grown-up, but they have youthful energy and enthusiasm. The following are some important signs that can help you recognize a young adult rabbit.
Coat Quality: The fur of a young adult rabbit is normally soft, smooth, and sleek. Their coat will be properly taken care of and not have indications of aging, such as thin or dull patches. The texture of their fur will be uniform, and they will still have the glossy shine.
Energy Levels: Young adult rabbits are very active. They are curious, and they hop all over their space, discovering their home. They tend to be stimulus-demanding to remain entertained. This age group is known to be curious and passionate, wanting to explore new things and socialise with their human family.
Health: Ordinarily, rabbits are young adults, and they are at their best health. They will not manifest arthritis and dental problems as well as other age-related maladies. It means that their teeth will be strong and healthy, and their activity levels will be high. If a rabbit looks lazy or uninterested in playing, it may mean it is old or not in good health.

Also Read: How to Build a DIY Rabbit Digging Box
Middle-Aged Rabbits
Rabbits aged between 3 and 5 years are in their middle age. At such a time, they might start exhibiting mild statements of aging, but still be active and healthy. Nevertheless, several features can help you distinguish an adult rabbit from a middle-aged one.
Coat Changes: The coat of the middle-aged rabbits might start to lose its youthfulness in its shine. Although their coat is still in a good state, it may not be as smooth or shiny as it used to be in their younger days. You may also see that their fur gets a little thinner around their ear or face.
Behavioral Shifts: Although they are still playful, middle-aged rabbits lack vigor as young adults. They may still have fun playing and checking things out, but the passion may not be intense. Some rabbits in the middle age stage may begin to exhibit more independent behaviors, preferring a time alone rather than an active play time.
Health Concerns: They are more prone to developing the initial aging-related health problems of arthritis or dental wear. Their activity levels may be reduced slightly, and their joints may become stiff, making it hard for them to jump as high and play vigorously as they used to. At this stage, their diet needs to be monitored, and they need frequent vet checkups.
Senior Rabbits
Advanced rabbits are usually 6 years and older and in this stage, they show obvious signs of aging. A senior rabbit’s appearance and behavior will be very different from what a younger rabbit’s is. These are the traits of a senior rabbit:
Coat and Fur: Old rabbits no longer have the same sheen that they once had for their coats. You may observe that the fur thins out and patches or dull areas occur. Senior rabbits can also suffer from fur matting, especially when they cannot groom themselves as well as before. Elderly rabbits require grooming aid.
Changes in Behavior: Older rabbits do not move around a lot. They may still have fun with light playing or socializing, but they may not go for intense exercises. Senior rabbits may sleep more often and thus their daily activities will involve more time for rest. You may also observe that they start eating less food or getting picky with it.
Health Issues: The aged rabbits are at a higher risk of chronic diseases like arthritis, kidney problems, and digestive upset. Their teeth may start to wear, and they will have problems chewing or eating hard foods. It is even more important to have regular vet visits because the senior rabbits are more prone to conditions such as cataracts, dental disease, or even heart disease. Their decreased mobility can also lead to the loss of muscles, making them less agile compared to what they used to be before their old age.
Senior rabbits may also undergo cognitive decline, showing changes in behavior, such as confusion or disorientation. It is important to pay close attention to their behavior and seek the opinion of a vet once you see the effects of aging that hamper their quality of life.