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Slideshow · Animals

Some Animals Have Been Alive Since Before Your Country Was Founded

From immortal jellyfish that reverse aging to sharks older than the United States — meet the extraordinary creatures that have turned time into their superpower.

30 Sept 2026

4 Min Read11 Slides
  1. Some Animals Have Been Alive Since Before Your Country Was Founded
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©Wikimedia / Hemming1952 · Smithsonian / Dr. Karen J. Osborn

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#1

10. Wandering Albatross

The Wandering Albatross holds the largest wingspan of any living bird and spends years at a time airborne over the Southern Ocean. Individual birds banded in the 1950s were still breeding and flying strong into their 70s — making them among the oldest confirmed wild birds on Earth.

Some Animals Have Been Alive Since Before Your Country Was Founded — Wandering Albatross
Photo: Wikimedia / JJ Harrison
#2

9. Giant Tortoise

Aldabra and Galápagos giant tortoises routinely live 150–175 years, with some exceptional individuals exceeding that. Slow metabolism, minimal stress, and a plant-based diet are thought to be the keys — meaning their longevity secret is essentially a very boring life.

Some Animals Have Been Alive Since Before Your Country Was Founded — Giant Tortoise
Photo: Wikimedia / Kevstan
#3

8. Jonathan The Tortoise

Jonathan is officially the world's oldest known living land animal. Born around 1832, he was already an adult when he was gifted to the Governor of Saint Helena in 1882. He has outlived every human who has ever cared for him — and is still going.

Some Animals Have Been Alive Since Before Your Country Was Founded — Jonathan The Tortoise
Photo: Wikimedia / Kevin Gepford
#4

7. Bowhead Whale

Bowhead whales can live over 200 years, making them the longest-lived mammals on Earth. Scientists know this because stone harpoon tips — weapons not used since the 1800s — have been found embedded in their living blubber. Their DNA also shows unique longevity genes that actively suppress cancer.

Some Animals Have Been Alive Since Before Your Country Was Founded — Bowhead Whale
Photo: Wikimedia / Jules Verne Times Two
#5

6. Red Sea Urchin

The Red Sea Urchin may be the closest thing the animal kingdom has to true biological non-aging. Scientists have found individuals over 200 years old that show no signs of senescence — their organs were as sharp and functional as those of a 10-year-old. They can even regenerate lost spines.

Some Animals Have Been Alive Since Before Your Country Was Founded — Red Sea Urchin
Photo: Wikimedia / U.S. Fish and Wildlife Service
#6

5. Deep-Sea Tubeworm

Deep in the cold seeps of the Gulf of Mexico, Escarpia laminata tubeworms grow just a few millimetres per year in pitch darkness — and live for over 300 years as a result. They have no mouths or digestive systems; they survive entirely on symbiotic bacteria living inside them.

Some Animals Have Been Alive Since Before Your Country Was Founded — Deep-Sea Tubeworm
Photo: Wikimedia / Charles Fisher, PLoS Biology
#7

4. Ocean Quahog Clam

An Arctica islandica clam nicknamed "Ming" — born in 1499 when the Ming Dynasty still ruled China — holds the verified record for the oldest known animal at 507 years. Scientists counted 507 annual growth rings on its shell, the same way you age a tree, before accidentally killing it in the process.

Some Animals Have Been Alive Since Before Your Country Was Founded — Ocean Quahog Clam
Photo: Wikimedia / H. Zell
#8

3. Greenland Shark

The Greenland Shark is the longest-lived vertebrate on Earth. Radiocarbon dating of eye lens proteins — tissue laid down at birth and never replaced — has revealed individuals estimated to be 272–512 years old. One female may have been alive when Shakespeare was still writing plays.

Some Animals Have Been Alive Since Before Your Country Was Founded — Greenland Shark
Photo: Wikimedia / Hemming1952
#9

2. Immortal Jellyfish

Turritopsis dohrnii is the only known animal capable of biological immortality. When stressed or injured, it can reverse its entire life cycle — transforming back from a mature adult medusa into a juvenile polyp and starting over. In theory, this process can repeat indefinitely. Scientists call it transdifferentiation.

Some Animals Have Been Alive Since Before Your Country Was Founded — Immortal Jellyfish
Photo: Smithsonian / Dr. Karen J. Osborn
#10

1. Glass Sponge

Antarctic glass sponge reefs are estimated to be 10,000–15,000 years old — alive when the pyramids were built. They grow less than 2mm per year in near-freezing water, their silica skeletons accumulating across millennia with almost no biological change.

Some Animals Have Been Alive Since Before Your Country Was Founded — Glass Sponge
Photo: NOAA / Ocean Exploration Research

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