Nearby, a red-rumped agouti — a South American rodent that looks like a large, long-legged guinea pig — scuttled behind a tree trunk. A few feet away, an Arabian sand cat put its paw inside a log to ...

The windswept plains and rugged mountains of Patagonia hide a shadowy monarch. The puma, often called the mountain lion or ...

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They’re as bright as fireflies, but far harder to find. Still, experts say it’s worth seeking a glimpse of these stunning ...

Ever scrolled through social media and seen an impossibly cute fennec fox or a tiny slow loris, immediately wishing you could ...

Crepuscular activity refers to the behavior of animals that are most active during those twilight times just before dark or ...

Light pollution, or artificial light at night (ALAN), is a widespread phenomenon in areas with dense human populations. Normally, animals use natural external cues, like sunlight and temperature, to ...

Zeus, a blind Western screech owl, was discovered injured and unable to fly in Central California. Diagnosed with capsular ...

From quirky shapes to wacky abilities, the animal kingdom never ceases to amaze us! It is full of bizarre eyes that defy human imagination. Ranging from creatures who can see 360 degrees around ...

Night blindness is caused by vitamin A deficiency, congenital mutations, and other eye diseases. Learn about symptoms, causes ...

Image via Pexels Day-hunting and night-hunting owls have evolved dramatically different eye structures to match their hunting schedules. Diurnal (day-hunting) owls, such as the Northern Hawk Owl and ...

We send Sherry, a female Japanese local, out into Shinjuku alone with a camera and a support team to investigate if Tokyo is truly safe for a solo female traveler at night.