Life
Rats squeak with happiness when they are with another rat
Rats emit a high-pitched squeak when around another rat, seemingly just to express a positive emotion
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Life
Flatworms can either regrow lost heads or reproduce sexually, not both
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Life
Flatworm caught hunting and killing spider on its own web
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Life
Roosters may be able to recognise themselves in a mirror
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Life
Beetles raise their young in trash dumps left behind by army ants
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Life
We’ve just realised that a tiny West African crocodile can moo
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Life
Male butterflies plug attractive females’ genitals to stop them mating
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Life
Turtles that move in herds reveal the complex social lives of reptiles
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Life
Human noise pollution drives monkeys to rely on communication by scent
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Life
Frogs have been trying to mate with odd things for 220 million years
Male frogs will sometimes try to mate with turtles or inanimate objects, and now there is evidence that the behaviour began deep in prehistory with the first frogs
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Life
Spotted salamander eggs hatch more easily if nibbled by predators
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Life
Pirate spiders ambush prey by tricking them with lines of silk
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Technology
Animal motion-capture studio tracks bird flocks and insect swarms
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Life
Do honeyguides really help honey badgers find bees’ nests?
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