Best Animals & Nature Subreddits
Animal subreddits fall into three groups. The feel-good feeds like r/aww are pure cute content, the nature subs show wildlife at its most impressive or brutal, and the practical communities are where owners ask real questions about training, tanks and health.
Pet owners get the most out of the practical side: r/Dogtraining and r/puppy101 for dogs, r/Aquariums and r/bettafish for fish keepers, r/snakes for reptile people. Identification subs are a category of their own: post a photo of an odd bug or bird and someone usually knows what it is.
Mix one or two cute feeds with the subs that match the animals you actually live with.
At a glance
This list covers 15 communities with a combined 83,482,245 members. The largest is r/aww (37,830,289), the smallest r/bettafish (340,421). 15 of 15 are work-safe. Subscriber counts come from the public Reddit API and were refreshed on 2026-10-24; the full category has 2,035 communities.
| Subreddit | Members | Rating |
|---|---|---|
| r/aww | 37,830,289 | SFW |
| r/NatureIsFuckingLit | 17,193,702 | SFW |
| r/cats | 9,307,441 | SFW |
| r/dogs | 2,902,322 | SFW |
| r/Awwducational | 6,018,105 | SFW |
| r/natureismetal | 2,426,636 | SFW |
| r/Dogtraining | 1,539,059 | SFW |
| r/Aquariums | 1,532,250 | SFW |
| r/whatsthisbug | 1,241,981 | SFW |
| r/birding | 743,555 | SFW |
| r/snakes | 982,826 | SFW |
| r/puppy101 | 463,286 | SFW |
| r/whatsthisbird | 547,857 | SFW |
| r/bettafish | 340,421 | SFW |
| r/Pets | 412,515 | SFW |
Reddit's classic feed of puppies, kittens and baby animals of every kind. Subscribe when you need a reliable dose of cute in your home feed.
Striking clips and photos of animals, plants and natural phenomena. Good for anyone who likes to be amazed by how strange nature can be.
The main cat community, mixing photos with questions about behavior, food and health. Join if you share your home with a cat or want to.
A discussion sub for dog owners at every level, focused on care and advice more than photos. Useful when you have a real question about your dog.
Cute animal posts that come with a real fact attached. Ideal if you want to learn something while scrolling past adorable creatures.
The harsh side of the wild: predators, hunts and survival in raw form. Only for those who don't mind nature without filters.
A forum on dog training and behavior with an emphasis on humane methods. Go here when your dog pulls, barks or chews and you want a plan.
Everything about keeping fish tanks, from cycling a new setup to stocking and aquascaping. A must for anyone with a tank at home.
Post a photo of any insect, spider or crustacean and get an identification. Handy when you find something crawling in the house and want to know if it matters.
A community for birdwatchers to share sightings, photos and gear tips. Great for anyone who keeps binoculars by the window.
For snake owners and fans sharing photos, husbandry questions and identification help. Join if you keep a snake or are thinking about one.
A support sub for new puppy owners dealing with potty training, sleep and biting. Worth joining the week before your puppy comes home.
Bird identification help from experienced birders, usually fast and precise. Useful for beginners who can't tell one small brown bird from another.
Dedicated to betta care: tank size, water quality, diseases and lots of colorful fish. Join if you own a betta and want it to live a long life.
A general pet community for all species, from rabbits to parrots. A good place to ask when your animal doesn't have a big sub of its own.
We chose active, on-topic communities and balanced pure entertainment with practical subs for owners and nature watchers. The full Animals & Nature category lists many more, sorted by size.