How old is your pet, really?

Dog

For your dog there are human years, calculated with the vets’ formula.

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Cat

For your cat there are human years, calculated with the vets’ formula.

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Rabbit

It usually lives 7–10 years.

Its senior years start at about 5.3 to 7.5 years old.

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Guinea pig

It usually lives 5–8 years.

Its senior years start at about 3.8 to 6 years old.

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Hamster

It usually lives 2–3 years.

Its senior years start at about 1.5 to 2.3 years old.

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Pet rat

It usually lives 2–3 years.

Its senior years start at about 1.5 to 2.3 years old.

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Ferret

It usually lives 6–10 years.

Its senior years start at about 4.5 to 7.5 years old.

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Canary

It usually lives 10–15 years.

Its senior years start at about 7.5 to 11.3 years old.

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Budgies

It usually lives 5–10 years.

Its senior years start at about 3.8 to 7.5 years old.

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Cockatiel

It usually lives 10–20 years.

Its senior years start at about 7.5 to 15 years old.

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Lovebirds

It usually lives 10–15 years.

Its senior years start at about 7.5 to 11.3 years old.

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Tortoise

It usually lives 50–100 years.

Its senior years start at about 37.5 to 75 years old.

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Red-eared slider

It usually lives 20–30 years.

Its senior years start at about 15 to 22.5 years old.

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Leopard gecko

It usually lives 10–20 years.

Its senior years start at about 7.5 to 15 years old.

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Bearded dragon

It usually lives 10–15 years.

Its senior years start at about 7.5 to 11.3 years old.

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Corn snake

It usually lives 10–20 years.

Its senior years start at about 7.5 to 15 years old.

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Ball python

It usually lives 20–30 years.

Its senior years start at about 15 to 22.5 years old.

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Goldfish

It usually lives 10–15 years.

Its senior years start at about 7.5 to 11.3 years old.

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Betta fish

It usually lives 3–5 years.

Its senior years start at about 2.3 to 3.8 years old.

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Tarantula

It usually lives males up to 10 years, females over 30.

Males live up to 10 years, females over 30: it depends on the sex, and only an expert can tell them apart.

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