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The high Andes mountains of Peru are a hummingbird’s paradise, rich in wildflower nectar and low in predators. But there’s one problem: the cold. Nighttime temperatures often dip below freezing in these rainy tropical highlands. How does a six-gram bird…
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A tuatara may look like your average lizard, but it’s not. The reptiles are the last survivors of an ancient group of reptiles that flourished when dinosaurs roamed the world. Native to New Zealand, tuatara possess a range of remarkable…
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Beneath the viridescent understory of the Brazilian Amazon, ecologist Lucas Paolucci has been honing his skills for hunting tapir dung. In this region’s degraded rain forests, he sees the piglike mammal’s enormous piles of poop as a treasure. Chock full…
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Like Count Dracula and his real-life vampire bat counterparts, a small jumping spider has a taste for blood. The East African spider Evarcha culicivora cannot pierce skin and sip blood, so instead it feeds indirectly on blood. It prefers to…
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In literature, crows and ravens are a bad omen and are associated with witches. Most people believe they steal, eat other birds’ eggs and reduce the populations of other birds. But actually “Corvids” – such as crows, magpies and ravens…
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Here’s a downer: Pessimism seems contagious among ravens. But positivity? Not so much. When ravens saw fellow birds’ responses to a disliked food, but not the food itself, their interest in their own food options waned, researchers report May 20…
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Monkeys can keep strings of information in order by using a simple kind of logical thought. Rhesus macaque monkeys learned the order of items in a list with repeated exposure to pairs of items plucked from the list, say psychologist…
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Tardigrades, often called water bears or moss piglets, are near-microscopic animals with long, plump bodies and scrunched-up heads. They have eight legs, and hands with four to eight claws on each. While strangely cute, these tiny animals are almost indestructible…
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Frequent asked questions and answers about the immortal jellyfish: How old is the oldest immortal jellyfish? You might want to know how old the oldest immortal jellyfish is, but unfortunately there is no answer to this. No turritopsis dohrnii has…
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Immortal Jellyfish The good news is that you can be immortal. The bad news is that you have to become a floating blob of jelly to do so. Scientists have discovered a jellyfish which can live forever.It has found a…
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“Dogs really suffer when you scream or punish them, and it affects their mental health.” As anyone who’s had a dog can attest, they are a source of immense joy and happiness. Dogs make people happier and they also make…
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“Humans and rats seem to share the same brain region responsible for empathetic behavior.“ Most humans actively try to do all they can do to avoid harming other people. Psychologists refer to this behavioral trait as ‘harm aversion’ and it…
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It doesn’t look like a highly skilled killer, but that’s exactly what it is; the sand cat, which is the only felid found primarily in true desert. The sand cat (Felis margarita harrisoni) has a wide but apparently disjunct distribution…
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Penguins, like all seabirds, are known to be highly vocal on land where they come to breed. They use these vocalisations to help them recognise their mate and kin.But now scientists just discovered Penguins actually ‘Talk’ under Water. Outside of…
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