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The beast kingdom is a carnival of colour : There are birds that dress in Ne feather , anuran whose skin gleams in an array of metallic hue , and sea creature whose bodies glow rainbow . Just about every color you’re able to imagine exists somewhere , masquerade across an animal ’s hide , feathers or scales .

Amid this kaleidoscopic contest , which is the most colourful beast on Earth ?

Panther chameleon.

A panther chameleon sports a rainbow of colors on its body.

And how to pass judgment ? Do we choose by turn and variety of semblance , or how undimmed , or how surprising they are ? The diaphanous variety of color in the animal kingdom probably make it impossible to take just one , and it quickly becomes a subjective pursuit . In fact , each of the main animal group have their own inviolable challenger .

Related : What ’s the biggest radical of beast ever recorded on Earth ?

Most colorful mammal

There are many hypothesis on show in the huge pallet of the beast kingdom . Take the mandrill ( Mandrillus sphinx ) , an Old World monkey from equatorial Africa , and one of the few truly colourful mammal . Its luminous blue face and behind are the Cartesian product of meticulously arrangedcollagen fibersthat speculate certain wavelengths to produce the graphic hue . Paired with its yellow byssus and red snout , this monkey is a challenger for the world ’s most colorful mammalian . A runner - up is the Malabar giant squirrel ( Ratufa indica ) , which are gnawer in India that sport the color orange , purple , white , brown and maroon , which may help them blend inwith the rain forest ’s vibrant colors .

Most colorful amphibian

However , mammals are easily outdone by the competition from other animal groups , like amphibians — especially the poison dart anuran where color is the default option , rather than the exception . Take the Amazon poison frog ( Ranitomeya ventrimaculata ) , whose skin shimmers in an ombre showing of red , orangish , and depressed . Then there ’s the nearly unrivaled brightness of the red - eyed Sir Herbert Beerbohm Tree anuran ( Agalychnis callidryas ) , with its lime- green back , blue-blooded sides , and tangerine tree toes .

Most colorful reptile

Not to be outdone , reptiles have their own substantial contenders , — let in the San Francisco supporter snake ( Thamnophis sirtalis tetrataenia ) , dressed in luminous turquoise , ruddy and black stripes ; and the Texas coral snake ( Micrurus tener ) , ornament in bright - paint band . Then there are the sunray snake ( Xenopeltis unicolor ) and the white - lipped python ( Leiopython albertisii ) , two specie that gleam in all the colour of the rainbow when the Dominicus strike their iridescent scale , thanks to nanostructures callediridophoresthat refract illumination .

The Broadley ’s matted lizard ( Platysaurus broadleyi ) packs a rainbow onto its small dead body , with its sapphire - depressed summit and Lucy in the sky with diamonds - yellow and orange legs popping against the beige rock music where it suns itself in its native southerly Africa . Meanwhile , a different genus is the favourite ofJohn J. Wiens , professor of environmental science and evolutionary biota at the University of Arizona : " One of the most colorful and interesting groups that I have turn with are spiny lizards ( Sceloporus ) in northern Mexico , " he say , describing fauna withvivid gloomy and crimson plate .

But eclipsing all of these reptiles perhaps is the panther chameleon ( Furcifer pardalis ) , a beast so colored , it count as though it ’s wearing a tie - dyed onesie .

Mandrill and baby.

A mandrill cares for its young baby.

Most colorful bird

When it come to birds , " hummingbirds may havethe most diverse colors , " Wiens said . Just conceive the breathtaking hue of the fiery - throated hummingbird ( Panterpe insignis ) , and the rainbow starfrontlet ( Coeligena iris ) .

Related : Are birds dinosaurs ?

Most colorful fish

Some of the most colorful puppet , however , may reside below the waves — especially in the polychromatic world of coral reefs , where many animal wear outfits to match their home ground . Some of the brightest contenders are fairy wrasses ( Cirrhilabrus ) and flasher wrasses ( Paracheilinus ) , whose scale are so saturated in pink , vermillion , yellow and puritanic that they almost do n’t depend real . The algae - grazing rainbow polly fish ( Scarus guacamaia ) stuns in magenta , mint , and turquoise — producing color combinations that change throughout its life .

Most colorful cephalopod, mollusk or nudibranch

And a Brobdingnagian fellowship of reef - graze mollusc known as nudibranchs ( Nudibranchia ) collectively leave no color uninfluenced .

One of the most impressive coral reef resident is the peacock mantis shrimp ( Odontodactylus scyllarus ) ; researcher think its psychedelic armour might reflect its uniquely complex vision , which can detect ultraviolet light andcircularly polarizedlight . " Given that circular - polarized visual modality is really rare , the inherent assumption is that these mantis shrimps aresignaling to one another ! " Vinod Saranathan , an associate prof of biological science at the School of Interwoven Arts and Sciences at Krea University in India , differentiate Live Science .

— Why are animals so colourful ?

Amazon dart frog.

An Amazon dart frog has many hues.

— What color were the dinosaurs ?

— Do animals embrace each other ?

Elsewhere in the more sober midwaters of the sea , comb jelly ( Ctenophora ) release rare flashes of color . These creatures practice the fast pulse motion of hair - like structures call cilia to propel them through the water supply , and as these curving hairs refract the lightness , they make the gist of a rainbow radiating through the creature ’s body .

San Francisco garter snake.

A San Francisco garter snake scales a branch.

But perhaps the most spectacular display of color from a sea creature of all hails from that great family of color magicians , the cephalopod mollusk . A change regalia of colors bloom restlessly across the cobweb skin of therainbow cover octopus(Tremoctopus spp . ) , an exceedingly rare creature found in tropic and subtropical seas .

With its ever - shifting canvas producing a unvarying stream of color , could this devilfish be our winner ?

Wild hummingbird in western Costa Rica, Cloudforest.

A wild hummingbird sips nectar in western Costa Rica.

Multicolor Lubbock’s Fairy Wrasse.

A multicolor Lubbock’s fairy wrasse

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A male of the peacock spider species Maratus jactatus, lifts its leg as part of a mating dance.

Eye spots on the outer hindwings of a giant owl butterfly (Caligo idomeneus).

An abstract image of colorful ripples

a tiger looks through a large animal�s ribcage

a picture of a red and black parrot

a close-up of two rats nuzzling their heads together

a hoatzin bird leaping in the air with blue sky background

Two young lions (Panthera leo) in the Masai Mara National Park in Kenya.

Closeup of an Asian needle ant worker carrying prey in its mouth on a wooden surface.

Photo shows an egg hatching out of a �genital pore� in a snail�s neck.

side-by-side images of a baboon and a gorilla

a child in a yellow rain jacket holds up a jar with a plant

a close-up of an electric vehicle�s charging port

Mosaic of Saturn taken by NASA�s Cassini spacecraft on November 20, 2017. Source -NASA & JPL-Caltech & Space Science Institute

Robot feeding baby in a kitchen, mother in background

a close-up of a chimpanzee�s face

a firefighter walks through a burnt town

An aerial photo of mountains rising out of Antarctica snowy and icy landscape, as seen from NASA’s Operation IceBridge research aircraft.