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Tardigrades can hitch-hike on snails to travel longer distances
Although they are incredibly resilient, tardigrades are also too small to travel very far 鈥� unless they hitch a ride on a larger animal
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Blind Mexican cave fish are developing cave-specific accents
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Common swifts enter hibernation-like torpor on cold nights
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Male toad clings to female for 5 months waiting for chance to mate
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Spider monkeys actively choose to eat fruit infested with insects
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Vampire bats adapted to drinking blood by shedding several genes
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How a rodent鈥檚 fear of cats shapes rainforests in Panama
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Adjusting to a new sibling is highly stressful for bonobo infants
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Female mammals that suckle another鈥檚 young have more offspring
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Guppy fish can see optical illusions – but not in the same way we do
The way guppy fish behave suggests they can be tricked into believing holes are larger or smaller than they really are 鈥� but they don鈥檛 always interpret the optical illusions in the same way humans do
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Rats can track the passage of time and judge their accuracy
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Orangutans can learn how to use stone tools as hammers and knives
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Australian raspy cricket has the strongest bite of 650 insect species
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Fear of predators means sparrows struggle to raise chicks to adulthood
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