What Are Types of Emotional Support Animals?
Under the Fair Housing Act, almost any domesticated animal can qualify as an ESA, including dogs, cats, birds, rabbits, and miniature horses. The animal must simply be manageable and not pose a nuisance to others.
Your animal should be well-behaved in a residential setting and not cause damage to the property or create disturbances that affect other residents. Below, we cover the most common types, what each one offers, and how many ESAs you can have.
Common Types of ESAs
Dogs and cats make up the majority of ESAs in the United States, and for practical reasons. They are widely accepted by landlords, well understood by mental health professionals, and adapt to most living situations. If you are getting your first ESA or anticipate pushback from housing providers, starting with either of these significantly reduces friction.
Dog as an ESA
As mentioned above, emotional support dogs are the most common assistance animals. All types of dog breeds can provide help to those dealing with mental or emotional disabilities. If your dog is trained to perform specific psychiatric tasks, you may also qualify for a Psychiatric Service Dog letter that grants ADA travel and public access protections.
The connection between dogs and humans is the best thing to observe. Research says that dogs communicate and understand humans better than other animals. They are the most loyal animals. No wonder why people trust and tell their dogs everything.
Dogs are very excited and appreciative creatures. Besides giving you the needed support, they also show you how to appreciate life and other little things and moments.
Cat as an ESA
It is true that dogs are the most common ESAs. But cats also play an important part in the life of people with a disability. If you are a cat person, you would vouch for the fact that cats are very loving creatures.
While cats might have a grumpy attitude at times but just like dogs, they also love their humans unconditionally. It does not matter if you own a dog or cat; all pet owners understand how their companion animal can help them emotionally.
Cats are one of those animals that will not keep you up at night meowing. They are great for small houses and apartments and with an emotional support cat certification, you can live and travel with this furball of fun.
For those living in hot climates, Texas ESA summer care with cats offers distinct advantages. Unlike dogs that require multiple outdoor walks regardless of temperature, cats thrive indoors during scorching summer months, making them ideal ESA companions for Texas residents dealing with extreme heat while managing their mental health.
Other Permitted ESAs Types
While less conventional, the following domesticated animals can also qualify as valid ESAs as long as they are manageable and do not create a nuisance or pose a safety threat.
Rabbit as an ESA
What is more relaxing than having a small, fuzzy creature live with you?
Do you know what is the best thing about a rabbit as an emotional support animal? They are quiet, shy animals.
Since bunnies are extremely quiet, they are well suited for an apartment. Your neighbors will not be bothered by you for keeping an animal. Also, bunnies have a very loving nature that will help you bond with them.
Are you worried if your apartment would be small for your bunny? That's the best part of keeping a bunny. You don't have to worry about your apartment space for your rabbit. These small, adorable creatures occupy a very little place.
You can set up a litter box and food in specific places. You don’t have to take them for a walk like dogs. They also don’t need a backyard to roam around.
Bird as an ESA
Do you want an animal that you can interact with?
According to scientific research, birds are the only animals who are able to replicate human speech. Birds are really intelligent creatures. This is the best reason to get a bird as your emotional support animal.
Especially, parrots. If you teach your parrot how to speak, you will always have a communication partner with you. Your bird will be there for you to respond to you and talk to you using the words you taught it.
Another great reason to have birds is that you will not have to worry about their litter boxes or to take them for a walk every day. All you have to do is to clean their cage, but that’s convenient as compared to taking care of a cat or dog.
Hamster as an ESA
These tiny little balls of fur can prove to be a great companion for you. Hamsters have a very calm personality. Their soothing presence can really help a mentally disturbed person. They will just curl up on your lap to provide you mental relief.
The best part about keeping a hamster as an emotional support animal is that they are inexpensive, independent, and occupy very little space.
Keeping an emotional support animal should not break your bank. Feeding a hamster is also very easy and inexpensive. All you need is a big bag of hamster mix which contains all the necessary ingredients like grains, seeds, and proteins.
Buying pet houses for cats and dogs can cost you a little, especially if you are a student. Hamsters are the best in such a case. They occupy such a little space; they are easy to take care of and their small size makes them perfect for little children.
Horse as an ESA
Just like cats and dogs, horses are also kept as pets. Horses have a high trainability due to which it is easier to keep them in the backyard of your house. However, you will need a big space to keep a standard sized horse. In case you have less space, you can get a miniature horse as your ESA.
Besides being playful, another advantage of having a horse is that horses have a long time span as compared to other animals. So, you can have a long-lasting bond with your companion.
Guinea pigs as an ESA
Guinea pigs are recognized as valid ESAs under the Fair Housing Act, but some landlords may request additional documentation given their less common status. Ensure your ESA letter specifically names the species and explains how it supports your diagnosed condition.
In terms of care, guinea pigs are relatively low maintenance, making them a practical choice for people managing conditions that affect daily energy levels.
They are social animals that do best in pairs, so factor that into your housing conversation from the start. Their quiet nature and predictable behavior make them particularly well-suited for individuals with anxiety or sensory sensitivities.
Ferrets as an ESA
Ferrets are legal ESAs federally, but ownership restrictions vary by state. California, Hawaii, and New York City currently prohibit ferret ownership regardless of ESA status.
Check your local laws before pursuing a ferret as an ESA, and confirm with your landlord in advance, as some housing providers may be unfamiliar with ferret protections. Beyond legality, ferrets require more active engagement than most small ESAs, which can be therapeutically beneficial for owners who need a structured daily routine as part of their treatment.
Their playful, high-energy temperament works well for people dealing with depression or emotional withdrawal. However, their needs make them a poor fit for owners who cannot commit to consistent handling and enrichment.
Rats as an ESA
Rats face more landlord resistance than most ESA types despite being fully legal under the FHA. The stigma around them means your ESA letter needs to be airtight, ideally from a treating provider rather than an online service.
Having documentation that clearly connects the rat's therapeutic role to your specific condition significantly strengthens your position if challenged.
What works in their favor is their intelligence; rats can learn their owner's name, recognize emotional cues, and respond in ways that create a genuine bond rather than passive companionship.
They are also one of the more affordable ESA options in terms of setup and ongoing care. For owners living in small spaces who want an interactive, responsive animal, rats are genuinely underrated.
What Kind of Animals Could not be ESAs?
Any animal could be an emotional support animal and, unfortunately, many people take it as a leverage to keep weird and dangerous animals as their ESAs, like an emotional support snake or pygmy hippo that are not only dangerous but they are also not fit to live in a house. When choosing an ESA, make sure that you choose a domesticated animal that you can explain to your landlord and airline authorities.
Not all kinds of animals could be reasonable ESAs and this is what you should consider when choosing an animal to be your ESA.
How Many Emotional Support Animals Can You Have?
Can you have more than one emotional support animal? Are there any legal implications?
The Americans With Disabilities Act (ADA) states that a person with a mental or emotional disability can have more than one emotional support animals. In fact, in some cases, a person may require multiple support animals for the treatment. Besides, in the United States, disabled people are eligible for equal opportunity.
However, the ADA does not acknowledge some situations where having multiple emotional support animals can be an issue.
It is quite obvious that an airline would not be able to provide sufficient space for three golden retrievers nor a small apartment would meet the needs of the owner and these support animal, right?
Keep in mind, if you are going to have multiple emotional support animals. You need to protect yourself by including multiple pets in your emotional support animal letter. It is also important to specifically state what type of emotional stability each animal provides.
Emotional Support Animal Laws That Protect Your ESA
After a long day at work or school, your ESA is often the first source of relief you come home to. But finding housing that accepts support animals is not always straightforward, even with federal protections in place. That is why laws exist specifically to prevent ESA owners from facing discrimination when it comes to housing and travel.
The two primary federal laws that apply to ESA owners are the Fair Housing Act (FHA) and the Air Carrier Access Act (ACCA). If you are considering getting an ESA letter, understanding both is essential before you apply. You can review the full ESA laws that apply to owners here.
What is the Fair Housing Act?
The Fair Housing Act of 1988 requires housing providers to make reasonable accommodations for individuals with disabilities, including allowing emotional support animals in properties that otherwise have a no-pet policy.
According to the FHA:
- ESA owners are allowed to keep their emotional support animal in apartments and buildings with no-pet policies.
- Landlords cannot charge pet fees or pet deposits for an ESA.
- Landlords can request documentation confirming the need for an ESA due to a diagnosed mental or emotional disability.
Keep in mind that following the May 2026 HUD enforcement memo, untrained ESAs now carry reduced legal protection. A letter from a treating mental health professional carries significantly more weight than one obtained through an online ESA mill. If your current documentation is expiring or needs updating, you can renew your ESA letter online.
What is the Air Carrier Access Act?
The Air Carrier Access Act of 1990 was originally designed to protect disabled individuals, including ESA owners, from discrimination in air travel. However, this protection changed significantly in 2021.
Following a ruling by the Department of Transportation, airlines are no longer required to accommodate emotional support animals in the cabin. ESAs lost their air travel protections entirely under the updated DOT rules.
What this means for ESA owners today:
- Airlines can treat ESAs as regular pets, subject to standard pet fees and cabin restrictions.
- Only Psychiatric Service Dogs (PSDs) retain the right to fly in the cabin at no additional charge, provided they meet DOT documentation requirements.
If air travel with your animal is important to you, a Psychiatric Service Dog letter may be a more appropriate option than a standard ESA letter.
In conclusion, emotional support animals can be of many kinds. Dogs, cats, rabbits, birds, hamsters, and even horses can bring love and calm to their owners.
Each one helps reduce stress and gives comfort in its own way. What matters most is the bond you share and how the animal supports your emotional well-being.
If you are getting an ESA, a valid ESA letter online from a licensed mental health professional is essential to protect your rights and access all its benefits. You can get one through RealESALetter.com, where licensed clinicians review your case and issue state-specific letters with 24-hour delivery.
Harper Jefcoat is a content writer with 10+ years of experience covering ESA laws, mental wellness, and emotional support animal benefits. As a blog author for RealESALetter.com, he educates readers on ESA regulations and promotes ethical documentation practices.
James Mitchell is a licensed clinical social worker with active LCSW licenses across 13 states, including California, New Jersey, Texas, Florida, and Arkansas. He conducts ESA evaluations with direct clinical experience using pet therapy as part of mental health treatment.