6 Animals That Live Longer Than You Think

A lot of folks bring home animals without really thinking about how long they’ll be part of the picture. Some species will be with you for decades, and that’s not an exaggeration. With the right care, they’ll be around through changes in your life, seasons, and even property. That’s great if you want a long-term companion, but it’s something you need to be prepared for—feed bills, housing upkeep, and vet care don’t go away when the novelty does.

If you know what you’re signing up for, these animals can become fixtures in your daily life. They’re not quick projects—they’re commitments that need you there, year after year.

Horse

Horses aren’t a short-term decision. With good feed, hoof care, and vet work, most see 25–30 years, and it’s not unheard of for them to hit their mid-30s. I’ve seen some old geldings still bright-eyed and trotting after the feed truck at that age.

That means they’ll likely be part of your life through moves, job changes, and other big shifts. You’ve got to plan for them to stay comfortable and useful—or at least happy—well into old age.

Parrot

Parrots are in it for the long haul. Even smaller species push 40 years, and big macaws and cockatoos can hit 80. You might be passing them along in your will.

They’re smart and bond deeply, which is wonderful, but it also means they don’t do well being shuffled from home to home. Taking one on means you’re responsible for decades of stimulation, good food, and attention.

Donkey

Donkeys are built to last. Many live 30 years or more, and a well-kept one can get to 40. Their tough constitution doesn’t mean they can be left to fend for themselves—hooves need regular work, and they’ll get overweight if you’re not careful.

They’re steady and reliable once they trust you, and that bond makes them one of those animals you almost can’t imagine the place without.

Goose

Geese have surprising staying power. Fifteen to twenty years is average, but plenty pass the 25-year mark when they’ve got a safe setup and decent forage.

They can be opinionated, but they’re also dependable for pest control and protection. If you bring them in, expect them to be part of your morning routine for a good chunk of your life.

Koi Fish

Koi are quiet, but they’re lifers if you care for them right. Many see 30 years, and a few have been known to top 50. That’s a lot of pond cleaning and water testing, but it’s worth it for a healthy school of fish.

They’re not a “set it and forget it” project—keeping the water balanced and safe takes commitment. But if you do it, they’ll be there for decades, gliding under the surface like they own the place.

Cow

Cattle usually aren’t kept long enough in commercial settings to show their full lifespan, but a healthy cow can live 20 years or more. Retired milkers and old pasture steers can stick around for many peaceful seasons if you let them.

They’ll slow down with age, and they’ll need softer feed and extra care, but there’s something special about watching a senior cow lying in the sun, chewing cud, with nowhere to be.

*This article was developed with AI-powered tools and has been carefully reviewed by our editors.