There’s a good reason why roaches have a reputation for being tough. They can endure extreme temperatures, and can even survive up to 45 minutes without air.
Discovered in a South African gold mine in 2011, these worms (Halicephalobus mephisto) were living at depths of 2.2 miles (3.6 km).
The Camelus dromedarius can go for 100 miles (16 km) without drinking, and can withstand temperatures of 120°F (48°C).
These insects are tough. So tough that they can survive temperatures as low as -238°F (-150°C). You can find them in parts of Canada and Alaska.
In addition to gills, these "living fossils" have special lung-like swim bladders, which allow them to survive, even if buried.
Elephant populations living in Namibia and Mali are adapted to extreme conditions. They can travel around 40 miles under 122°F (50°C) heat to find water
These cute animals can dive deeper than any other bird in the world. They march between 30 and 90 miles (48-144 km) to remote and extremely cold places where they form colonies.
These reindeer endemic to Northern Europe and North America can endure extreme winters. They are the only deer found north of the Arctic tree line.
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