Tree frog
Finding these arboreal species may be quite difficult; some of them can also change colour depending on the temperature.
Owl Moth
They may trick predators into believing they are gazing at an owl's face rather than the rear of a moth by having markings on their wings that mimic an owl's eye.
Saw scaled vipers
These high venomous snakes are known for their camouflage skills.
Stick Insects
Found in several tropical countries, you can find several species of these insects.
Vine Snakes
Due to their color, which is generally brown or green, they are very hard to spot amongst trees.
Indian Scops Owl
Due to their dark brown plumage, they are seldom ever seen during the day and are practically invisible through thick vegetation.
Nightjars
They are nocturnal birds mostly active during dawn and dusk.
Box Jellyfish
Several species of box jellyfish, tend to be nearly invisible to the human eye.
Octopus
They are not only capable of changing the colour of their skin, but also able to replicate their surroundings to match rocks and corals nearby.
Mugger Crocodile
These animals are experts in stealth, covered in thick tough scales that are well hidden in murky water, they are opportunistic carnivores.