Can You Identify All of These Cold-Blooded Animals?

By: Olivia Cantor
Estimated Completion Time
5 min
Can You Identify All of These Cold-Blooded Animals?
Image: cozyta/Moment/Getty Images

About This Quiz

If you are one of those creatures who love all things and trivia about animals, then this quiz is for you! 

One of the most basic discussion points when it comes to animals is their capacity to be cold-blooded or warm-blooded. If you're such an animal fan, we're sure you can tell the difference between these groups of animals, right?

When we say warm-blooded animals, we're talking about those animals that can maintain a relatively constant body temperature. They can do this regardless of whatever the temperature is within their immediate surroundings. Birds are actually warm-blooded animals, and so are mammals. And being mammals, we humans belong to this category, too. Warm-heartedness is a different human feature, though ... just a reminder.

On the other hand, cold-blooded animals are those that cannot really control their body temperature. That means these creatures become quite slow and sluggish when they're in a place with really cold weather. Many fishes, reptiles and amphibians belong in this group. And no matter how you hate your exes, they don't belong here, sorry.

But we're sure you could name these very common and easily identifiable creatures who are indeed cold-blooded in nature, but not necessarily cold-hearted, okay? Care to give it a try? Dive in!

monocled cobra What's the name of this very cold-blooded animal that has a hood?
Naga
Cobra
Cold-blooded cobras are, of course, venomous, but it's not really true that they can hear and dance to the snake charmer's flute. It's the rhythmic movements of the charmer that the cobra responds to -- which means they may see certain movements as threats.
Constrictor
Anaconda

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swordfish This fish has a nose so long that it's named after a weapon! Can you name it?
Swordfish
A swordfish can use the long, blade-like bills from its upper jaw as a slashing weapon, which can injure its target fish and make for an easier meal. But in general, a swordfish doesn't really use its bill to spear other fishes without warning or provocation.
Unicorn fish
Needlefish
Moray eel

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Green iguana Which kind of lizard is this herbivore, found mostly in Central and South America?
Anole
Iguana
Iguanas are rather large lizards that can also be found in the Caribbean islands and Mexico. Iguanas have a third eye in the middle of their heads that can detect changes in light levels. That eye is potentially used to detect predators from above as well.
Collared lizard
Monitor

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Frog Can you tell the general name of this family of amphibians that can use their long tongues to catch insects?
Sirens
Chameleons
Frogs
Frogs are the poster boys of the amphibian world. They are recognized as one of those animals to observe if an area has environmental issues, thanks to their dependence on water for their food and reproductive cycles. Just don't kiss them -- they don't really turn into a prince!
Newts

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Fire ants These small insects form large hunting parties that can kill small animals caught in their way. What are they?
Fire ants
Fire ants' stingers usually pack a lot of hit, as the poison they inject gives the victim a burning sensation. The poison could be fatal to people who are particularly sensitive to it or to someone with extreme allergic reactions.
Locusts
Termites
Assassin bugs

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Black Widow Spider Cold-blooded predators sometimes eat their mate, like this one. What's it called?
Isopod
Black widow
Black widow spiders are identified by the hourglass-like marking on their bodies. Their bites are very painful, and victims need immediate medical care. These spiders feed by injecting their prey with digestive juices and then sucking up the "soup" from the prey's body.
Antlion
Hissing cockroach

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Lobster A sea-going, scavenging, shrimp-like animal, this one is usually prized as a meal, best served with butter. Can you name it?
Lobster
Lobsters are large crustaceans that are similar to shrimp in the looks department. The lobster's claws, however, can exert a hundred of pounds of pressure per square inch. They are also known to eat their own kind, probably due to ecological factors.
Sea pig
Sea slug
King crab

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octopus This multiple-armed creature is also known to be very smart, and it has a beak! What's this sea creature?
Jellyfish
Starfish
Sea cucumber
Octopus
The octopus is a member of the cephalopod family, and it actually has blue blood as a result of using copper to hold oxygen in its blood. This allows its blood to function even in low temperatures. So being cold and blue, it truly is cold-blooded, figuratively and literally speaking!

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komodo dragon Lizards from Komodo island are large and have nicknames that remind us of flying mythical creatures. What are they called?
Satyrs
Minotaurs
Dragons
Komodo dragons are considered among the largest, if not the largest, lizards in the world. They are actually venomous and are known to eat up to 80% of their mass in just one sitting. Female Komodo dragons can also reproduce without mating.
Demons

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17 earthworm GettyImages-667913410 What are these small creatures that mulch their way under your lawn and are important for breaking down waste matter into soil?
Rabbits
Caterpillars
Aphids
Earthworms
Earthworms actually don't have eyes, ears or (obviously) limbs, but they can definitely sense light. There can be more than one earthworms in just one acre of land, and their actions help mix topsoil and deeper earth material together, so they're truly that important.

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Chameleon It's an unusual land creature that can willfully change its color to suit its surroundings. Can you guess what this is?
Glass frog
Chameleon
Chameleons are lizards that can change their skin color to match their immediate surroundings, making it a survival technique and hunting technique at the same time. They also have eyes that can move independently from each other, plus long, sticky, frog-like tongues.
Leaf insect
Moth

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Turtle Perhaps the most famous reptile of them all, one known to move quite slowly, is this one. What is it?
Turtle
Turtles are flexible as they can live on land or in the water, but some species sometimes adapt to life in one specific habitat that they choose. Turtles can live for a very, very long time, with some species known to reach more than a hundred years old!
Slow worm
Monitor lizard
Frilled lizard

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crocodile Saltwater reptiles like this creature look like they're flashing a toothy smile. What do you call these deadly aquatic predators?
Crocodiles
Crocodiles are almost perfect predators that can swim up to 25 miles per hour, and they take down prey by dragging them underwater! They really do shed bubbly, frothy tears when their eyes get dried out, and possibly also as a reaction to eating.
Sea turtle
Sea snake
Marine iguana

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Praying Mantis What is the name of this top-ranked and seemingly pious insect predator?
Assassin bug
Cricket
Praying mantis
The praying mantis isn't actually praying, despite its name. It just lies as still as possible, so that other insects that get too near will be caught by surprise as it unfolds and snaps back its arms, catching the unsuspecting insects in its grasp.
Wasp

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Dragonfly This long-tailed, four-winged insect is so good at flying that it can hover motionless in mid-air. Do you know what this is?
Dragonfly
Dragonflies are one of the earliest forms of flying insects. They can only eat while in flight, though, so a grounded dragonfly is either just parking itself momentarily before or after eating, or it's resting and thinking of where to fly to next.
Housefly
Wasp
Bee

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Rattlesnake What's the name of this noisy reptile that warns you off with a shake of its tail?
Common lizard
Boa constrictor
Axolotl
Rattlesnake
Rattlesnake tails get that rattle sound because they are actually hollow segments that rub against each other, creating that familiar audio warning. Rattlesnakes use this noise to warn other animals not to mess with them, and maybe a warning to humans to run away!

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Squid A familiar creature for seafood lovers, this sea creature looks like it's swimming backwards! What's it called?
Squid
The squid is recognized as one of the fastest creatures in the ocean, with some of them speeding up to 25 miles per hour for a short time. They eat practically anything they can trap with their tentacles. But once caught, it also makes for delicious seafood dishes, like calamari.
Starfish
Stingray
Manta ray

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scorpion It has a hooked stinger on its long tail, so beware. What's this deadly creature that also has claws?
Silverfish
Horseshoe crab
Scorpion
Scorpions aren't really insects; they're actually more closely related to spiders in the animal world. They can be found on all continents of the world except for Antarctica. They are dangerously predatory, and that's perhaps the reason they also became symbols of fierce power in the human world.
Stone fish

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hermit crab These armored aquatic creatures use stolen seashells for their homes. What are these beach thieves called?
Conches
Hermit crabs
Hermit crabs have evolved in such a way that they use snail shells and other similar objects for their protection. Not surprisingly, their bodies are relatively soft and curl up when their shells are taken away from them.
Corals
Shrimps

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Shrimp If you look closely, these aquatic animals have small claws and a face that looks like it has many spikes. What's this little sea creature called?
Clams
Ghost crab
Shrimp
A shrimp is a crustacean that looks like a tubular version of a crab or a small lobster. They are very important to the local circles of life where they are found, as they are the scavengers who could also serve as the main food source of larger animals.
Pea crab

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Field Cricket They can be very chirpy, these little insects. What do you call these lucky leapers?
Fleas
Cicadas
Crickets
Crickets really do make noise, but only the male ones! The female crickets are very quiet. Even though they do have wings, crickets rarely use them, as they prefer to jump around using their very strong hind legs.
Ticks

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Hummingbird hawk moth What is this insect that has its large wings spread out all the time?
Mayflies
Butterflies
Moth
If you look closely, moth wings have small scales that look and feel like fine powder. They also have feather-like antennae that allow them to hear much more than a person can. Sadly, their adult life is very short -- especially if they fly too close to an open flame.
Beetles

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Channel catfish This fish has whiskers, and it's named after some furry pets we have. What's it called?
Dogfish
Seahorse
Catfish
Catfish do have whiskers like their namesake pet. And like a cat's whiskers, they use them as sensory organs that help the fish to become more sensitive to their surroundings. They even have something like taste buds on their skin.
Tsetse fly

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Termites These tiny insects love things made from wood, such as your cabinets, doors or floors. What are they?
Termites
Termites survive on cellulose, which is found in most plants, but especially in wood. Because of their large colonies, they are forever looking for new food sources -- including parts of your house and furniture!
Carpenter ants
Stick insects
Ladybugs

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Toad These creatures have rougher skin than their slimier cousins, but they can jump just the same. Can you identify them correctly?
Salamander
Gila monster
Lizard
Toad
Toads are usually separated from frogs by their rougher skin and shorter legs, but some scientists still argue about whether certain species are either a toad or a frog. Toads can live away from water for longer periods, though, so that's a basic qualifier.

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Red-footed tortoise What are these reptiles that are almost exclusively land-dwelling, unlike their equally armored cousins who can swim?
Fire salamander
Lizard
Tortoise
A tortoise is a kind of turtle, first and foremost, but turtles are not automatically tortoises. A tortoise has adapted to living mainly on land, and it is more herbivorous than a turtle. Its dome-like shell is also taller than a turtle's shell.
Armadillo

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Hammerhead Shark This shark has a specially shaped head, and it's named for that feature. What is this tool-sounding shark called?
Great white shark
Mako shark
Hammerhead shark
Hammerhead sharks don't really use their heads as weapons. The shape of their heads puts their eyes farther apart, giving them close to 360-degree vision. That's a big advantage for a predatory animal like this.
Thresher shark

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Nautilus Can you name this snail-like floating sea creature that's also related to squids?
Nautilus
The nautilus has a shell that looks like it belongs to a snail, but it's actually an armored bladder, which it fills with gas to float. It can have up to 90 tentacles, and it gets around by using water jet propulsion.
Jellyfish
Starfish
Sea slug

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8 grasshopper GettyImages-1023889128 These voracious eaters that hop around and eat plants all day are called what?
Dart frog
Dengue fly
Grasshoppers
Grasshoppers are one of those insects that are considered agricultural pests. Their enlarged hind legs act like springs that help them jump long distances. Locusts, a type of grasshopper, can even destroy whole farms if they're in a swarm.
Cicadas

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Carpet python A cold-blooded creature like this one likes to squeeze animals ... to death. Can you name this large, nonvenomous reptile?
Newt
Fire salamander
Python
Pythons are really large but nonvenomous snakes. They usually kill their prey by coiling around them and squeezing them, ultimately crushing them to death. Depending on what they eat, they may only need to feed around four or five times a year.
Grass snake

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Puffer fish What's the name of this round, funny-looking fish that's super deadly when consumed?
Boxfish
Goldfish
Puffer fish
Puffer fish are known to inflate themselves like balloons, which makes them look bigger and more dangerous, since some also have visible spikes on their skin. But if a larger fish or creature still ends up eating them, death is also a possibility because they are very poisonous.
Clownfish

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American Cockroach This insect is something we humans have a war with, especially those that fly! What's this house-bound insect called?
Cockroach
Cockroaches get a bad rap because they are associated with dirty surroundings. But they also serve an environmental purpose, since they are very efficient scavengers. The largest roaches can grow up to six inches long, though -- so yeah, we humans better be ready for them!
Spider
Ant
Millipede

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Salamander Do you know what this reptile is called, the one that looks like a mix between a frog and a lizard?
Centipede
Newt
Sea cucumber
Salamander
Salamanders are not lizards, but they are amphibians that look like lizards. Their main difference from frogs is that their tail never goes away when they become adults. In mythological stories, they are connected to the element of fire.

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Can You Name All of These Animals That Start With Vowels? When you're in marshes or lakes, these reptiles can camouflage themselves to look like driftwood or debris, so better beware. What are they?
Alligators
Alligators can be differentiated from from crocodiles with their wider jaws that hide their teeth. They also live in freshwater or very swampy environments rather than saltwater ones. Alligators also have relatively weak jaw muscles, so you can keep their jaws closed easier than you would a crocodile's. We still wouldn't recommend a wrestling match, though!
Monitor lizards
Bluegills
Basilisk lizards

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Coconut_Crab_-_Birgus_latro_3_(4091441948) This invertebrate monster is legendary for eating really big seeds. What's the name of this clawed one?
Rhinoceros beetle
Boxfish
Giant grasshopper
Coconut crab
Coconut crabs are overgrown hermit crabs that gave up trying to find seashells to move into because of their size. Some coconut crabs can weigh as much as nine pounds, and they also have a keen sense of smell. Yes, you could eat them, too; it's actually considered an aphrodisiac in Southeast Asia.

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Stick Bug They look like tree parts, which help them hide from predators. What do you call these elongated creatures?
Centipede
Stink bugs
Stick insect
Stick insects are evolved to look like sticks on a tree branch, and they even sway with the breeze, like they're really part of the tree. However, if they are disturbed, stick insects can release chemicals that smell or taste bad. You've been warned!
Aphids

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Axolotl It's a lizard with feathery gills and comes with an indigenous-sounding name. Can you guess what this is?
Axolotl
Axolotls are weird lizards that are stuck in "teenager mode" because they never really reach adulthood. They keep underdeveloped traits, such as their external gills. They can also totally regenerate whole limbs or body parts, a fact that scientists are fascinated with.
Ocelot
Quetzal
Acocil

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Basilisk lizard What is this water-walking lizard called, which is also named after a legendary beast whose looks could kill?
Ocelot
Fire salamander
Basilisk lizard
Green basilisk lizards are known as Jesus Christ lizards because they seem to be able to run across water, much like when Jesus performed his miracle of walking on water. These creatures have specially webbed feet that allow them to paddle very quickly on the water's surface, making it look like they really walk on water.
Sea cucumber

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Lionfish These colorful fish with long fins are also called turkeyfish or zebrafish, but this other name is more common. What's that name?
Lionfish
The lionfish was named as such because of the slow, almost regal way that they move through water, combined with their mane-like set of fins. But watch out -- those fins hide poisonous spikes!
Goldfish
Tiger barbs
Angelfish

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Fiddler crab Yes, it's a crab, but it has one arm that's longer than the other! What's it called?
Blue crab
Spider Crab
Fiddler crab
Fiddler crabs have evolved to have one claw larger than the other. This is used for mating purposes such as showing off to females, or to fight other males in competition. Fiddler crabs also use a plug that act as a door when in their burrow, to keep their home safe.
Snow crab

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