Animals have evolved a range of camouflage tactics, from simple colour matching to sophisticated mimicry. See if you can spot the creatures in the photos below - drag the slider to reveal them. Will ...

A challenging brain puzzle featuring a mountain landscape sketch containing ten hidden animals is presented. Readers are challenged to find all the animals within nine seconds. Hints suggest ...

Can you solve this mind-boggling optical illusion in 20 seconds or less? Tere are five hidden animals within the monochromatic image of a tree READ MORE: Optical illusion reveals if you are ...