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With its suite of clever adaptations, the Arctic fox is a master of its extreme environment. Its dense, multilayered coat of fur, combined with a compact body shape, and furry, insulated paws, allow it to survive and thrive at temperatures as low as -70 degrees celsius.
It also possesses an advantageous genetic make-up that allows it to overcome the coldest of temperatures, including useful genes involved in fat storage and metabolism. As well as physiological and genetic adaptations, Arctic foxes are also very well adapted behaviourally, for example, burrowing into the snow to create insulated dens to shelter in, and using their bushy tail as a blanket whilst they sleep.
Bees, our favorite pollinators, are smarter than you think. They can recognize human faces by piecing together patterns, which is no small feat! This fun animal fact reminds us how vital bees are—not just for their smarts but also for the survival of our food systems. Protecting bees and their habitats means protecting the planet.
Turritopsis dohrnii – also known as the immortal jellyfish – is a species of tiny, biologically immortal jellyfish. They can be found across the world’s oceans in all kinds of tropic waters. And they’re one of the few known animals that are capable of completely ageing backwards through their life cycle – kind of like a butterfly turning back into a caterpillar, or a frog turning back into a tadpole. Basically, the Benjamin Button of the deep.
This means that they don’t have a definitive lifespan, and – in theory – could live forever if they keep reverting back to their previous states. Having said that, it only happens if the jellyfish is put under immense stress, like starvation or serious injury.
These brightly colored beetles sometimes turn to drastic measures when food is scarce. If it’s a matter of survival, certain species of female adult ladybugs, such as the Harlequin ladybug, will eat their own unhatched eggs if they can’t find small insects to munch on. The beetles also have a wicked defense mechanism: When threatened, ladybugs emit a foul-smelling fluid from their leg joints that helps scare away predators.
Reindeer eyeballs turn blue in winter to help them see at lower light levels. (They're golden-colored in summer.) No other mammals are known to have this ability.
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