Optical illusions are useful for improving concentration and visual perception. In this challenge, readers must find a hidden ...

Ever wondered what it’s like working the night shift? An AskReddit thread spilled the pros, cons, and surprising perks of life after dark. From quiet vibes to quirky coworkers, here’s what night owls ...

One of the smallest owls in North America, the northern saw-whet lives among us and is rarely seen—but one volunteer science ...

16.5 x 24.5 cm. (6.5 x 9.6 in.) Subscribe now to view details for this work, and gain access to over 18 million auction results. Purchase One-Day Pass ...

The clock is ticking. Hurry up. The last few seconds remain... The hidden cat can be seen on the right side of the picture, it is difficult to spot at first glance. Wasn’t that interesting?

Burrowing owls typically live underground in natural burrows that they’ve taken over from prairie dogs, ground squirrels or ...

It is not on the left side of the picture. Now, look again and see if you can spot it. The clock is ticking. Hurry up. The last few seconds remain... The real owl can be spotted on the right side of ...

A bird strike! Indeed, a beautiful, barred owl had crashed into the patio door, beak-first. Whether it had broken its neck or ...

13.7 x 19.7 cm. (5.4 x 7.8 in.) ...