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Snowy owl - Males are almost white. Females and young birds have more flecks of black plumage. But they all have beautiful fiery yellow eyes.

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Alligator - Check out that honey-colored stare. This guy means business.

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Peacock mantis shrimp - This aquatic dandy has a pair of eyes that can see circularly polarized light.

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Chameleon -

As well as their amazing ability to change color, chameleons possess the most distinctive eyes of any reptile, with each eye pivoting and focusing independently.

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Bengal cat - Let's face it, most cats look simply adorable. But the Bengal breed is especially attractive, not least for its exotic, jade-colored eyes.

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Tarsier - With eyes like a pair of enormous saucers, this cute primate is quite unworldly in its appearance.

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Red-eyed tree frog - The intense ruby-red gaze of this vibrant green frog is a defensive gesture designed to ward off potential predators.

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Ring-tailed lemur - Probably the most recognized lemur species, the ring-tailed lemur's bright auburn eyes only add to its cheeky allure.

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Green pit viper - This slippery creature has a pair of piercing mustard-colored eyes that can make even an elephant tremble.

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Knysna turaco - The small eyes are brown, but it's the deep red eye-ring that focuses the attention on this unmistakable bird.

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Tiger - A look that says it all—smart, powerful, and simply stunning.

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Tufted duck - Yellow sapphire eyes sunk in black velvet. 

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Basset hound - Dogs have a knack of communicating volumes just with their eyes. But old Fred Basset here has got the mournful, I-haven't-been-fed look down to a fine art.

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Tokay gecko - Its turn-key eyes resemble a glamorous, high-tech lock.  

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Octopus -

Octopuses cannot see in color, and their eyes are focused through movement, much like the lens of a camera or telescope.

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Dragonfly - The brilliant iridescent eyes of a dragonfly mirror that of its metallic-colored body.

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Giant leaf-tailed gecko - A master of camouflage, the eyes of this gecko species resemble huge fancy shirt buttons.

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Hammerhead shark - Unique among shark species for their unusual and distinctive heads, hammerheads appear as though their eyes were attached as an afterthought.

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Glass frog - Is this tiny amphibian wearing a pair of trendy glasses? No, those really are its eyes.

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Goat -

Goat's have horizontal, slit-shaped pupils, a characteristic that enables them to see 280 degrees around their bodies.

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Siberian husky - Distinguished by its fabulous coat and gorgeous eyes that may be brown, blue, or black, this snow-loving working dog breed is one of the great pinups of the canine world.

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Asian vine snake -

Resembling a lime green pencil, even the eyes of this supple serpent are seriously streamlined.

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Common fruit fly - It's apt perhaps that the fruit fly's eyes look like a pair of ripe strawberries.

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Blue-eyed triplefin - A tad bit overboard with the eye shadow, don't you think?

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Japanese macaque - Don't those hazelnut peepers just melt your heart?

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Stalk-eyed fly -

This odd-looking critter is certainly keeping an eye out... or two.

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Great gray owl -

Stare into this owl's eyes long enough and see if you don't become hypnotized.

See also: The secret life of bats

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