Frilled Lizard

Chlamydosaurus kingii

Last updated: February 16, 2021
Verified by: AZ Animals Staff

Frilled lizards can stand up and run on their hind legs.



Frilled Lizard Scientific Classification

Kingdom
Animalia
Phylum
Chordata
Class
Reptilia
Order
Squamata
Family
Agamidae
Genus
Chlamydosaurus
Scientific Name
Chlamydosaurus kingii

Frilled Lizard Conservation Status

Frilled Lizard Locations

Frilled Lizard Locations

Frilled Lizard Facts

Main Prey
Insects, Rodents, Spiders
Fun Fact
Frilled lizards can stand up and run on their hind legs.
Distinctive Feature
Long tail and large expanding frill on neck
Habitat
Tropical forests and woodland
Diet
Omnivore
Lifestyle
  • Solitary
Favorite Food
Insects
Type
Reptile
Average Clutch Size
12
Slogan
Mainly lives in the trees!

Frilled Lizard Physical Characteristics

Colour
  • Brown
  • Yellow
  • Black
  • Tan
Skin Type
Scales
Top Speed
30 mph
Lifespan
10 - 20 years
Weight
0.5kg - 1kg (1.1lbs - 2.2lbs)
Length
60cm - 100cm (24in - 40in)

Frilled Lizard Images

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“Frilled lizards can stand up and run on their hind legs”

A frilled lizard also goes by the names frilled dragon and frilled agama. It is known for raising its neck frill, or the extra flap of skin around its neck, in an effort to intimidate predators. These lizards live in northern Australia and New Guinea. Upon seeing the raised neck frill of this lizard, some people think it’s venomous or that it spits poison at predators. In reality, this reptile is not venomous and has no poison to spit!

5 Incredible Frilled Lizard Facts!

  • It’s sometimes called the bicycle lizard because of the way its hind legs move when it’s running
  • They are kept in some households as exotic pets that need special care
  • The female lays eggs up to 8 inches underground
  • These lizards are not poisonous
  • They can live up to 20 years

Frilled Lizard Scientific Name

Chlamydosaurus kingii is the scientific name of the frilled lizard. The Latin word chlamydo means small cloak while saurus means lizard. It’s also called the frilled dragon and the frilled agama. It belongs to the Agamidae family and the class of Reptilia.

There are 420 species of frilled lizard.

Frilled Lizard Appearance and Behavior

A frilled lizard has grayish-brown scales and is usually about 3 feet in length. Though it’s large in size, it weighs just over 1 pound. Line up two and a half bowling pins and you’re looking at the length of a 3-foot frilled lizard. A frilled lizard that weighs a little over 1 pound is about equal in weight to a can of soup.

This lizard has a long tail and claws made for hanging onto the trunk of a tree to climb it in quick fashion. The brown-gray scales of this lizard help to camouflage it in the trees.

The frilled dragon is solitary and remains alone most of the time except during breeding season.

Frilled Lizard on a rock

Frilled Lizard’s Neck Frill

This lizard gets its name from the fold of skin, also called a neck frill, that encircles its throat. Most of the time, this fold of skin lays flat like a superhero cape on the lizard’s body. However, when this reptile is threatened by a predator, it raises its neck frill, opens its mouth, and hisses. This makes the lizard look larger in size and threatening. In short, the animal does this in an effort to frighten a predator. Its neck frill measures about 12 inches in diameter.

Raising its neck frill usually confuses a predator long enough for the lizard to start running on its hind legs toward a tree. It makes sense. A confused predator is very likely to let a frilled lizard get away! By the way, this reptile’s clumsy run is an incredible sight to see.

Frilled Lizard Habitat

The frilled lizard lives in northern Australia and New Guinea. This reptile lives in a warm environment. Its habitat includes woodland savannas as well as temperate and tropical forests.

These reptiles spend most of their time high up in the trees. Their dull, grayish-brown skin helps them to blend in with the tree trunks and branches. The scales on the neck frill of this lizard help to prevent loss of moisture in their warm environment. Frilled lizards are quick and can move up and around the trunks of trees in short bursts of speed.

These lizards don’t migrate. They are more active during the wet season (October to April) than they are during the dry season. Though they don’t go into traditional hibernation, they decrease running and other activities as well as eat less during the dry season.

Frilled Lizard Diet

These lizards are carnivores eating the food source that is most abundant in their tropical habitat.

What eats frilled lizards?

Birds of prey such as eagles, owls and hawks, snakes, dingoes, larger lizards, and feral cats are predators of these lizards.

What does a frilled lizard eat?

Insects play a large role in the diet of the frilled agama aka the frilled lizard. Cicadas, spiders, beetles, ants, termites, moths, and butterflies are all on the menu. These reptiles also eat small mammals such as mice and rats. They’ve been known to eat smaller lizards as well.

When hunting for food, these lizards wait near a mouse’s hole or close to a dead tree where termites live. Then, when the animal appears, the lizard grabs it and won’t let it go. These lizards hunt for prey at sunrise and sunset.

This reptile has been known to consume hundreds of thousands of termites in one sitting, then not eat again for months. One termite colony may contain as many as 1 million termites and weigh up to 1,000 pounds. Picture a grand piano and you’re picturing an item that weighs 1,000 pounds.

Frilled Lizard Predators and Threats

Birds of prey, dingoes, snakes, feral cats, and larger lizards are all predators of these lizards. These lizards spend most of the time in trees.

As you see, many of its predators also have access to the trees making these lizards vulnerable. Their skin allows them to blend in with their leafy environment so they can sometimes hide. Plus, they are quick and may be able to outrun them. If a lizard climbs down to the ground in search of food, a dingo may capture it before it gets back into the relative safety of a tree.

The conservation status of the frilled agama is Least Concern. But it does face a few threats. Its habitat is threatened by deforestation. In addition, an increase in feral cats in their living environment has contributed to a decrease in their population.

There are no specific conservation plans in place for this lizard. However, there are some wildlife parks that are home to some of these lizards. Wasur National Park in New Guinea is one example.

Frilled Lizard Reproduction, Babies and Lifespan

The breeding season of these lizards runs from September to October. The male lizards compete for females by fighting and displaying their neck frills. Also, a male bobs his head up and down to get a female’s attention. Female lizards lay their eggs between the months of November to February. The eggs are laid from 1 to 8 inches below ground. These lizards usually choose to dig the hole in a sunny area, so the sunlight gives some warmth to their eggs. A female lays from 8 to 14 soft-shelled eggs in one clutch. The incubation period of the eggs is 2 to 3 months. Each egg weighs less than an ounce in size. Some females have 2 clutches of eggs per season.

Baby lizards are able to survive without any care from their parents after they hatch. Each baby is about as long as an adult’s pinkie finger! And, yes, baby lizards have full use of their neck frill. They can eat small insects including ants and termites. Generally, a lizard stays with its brothers and sisters for about 10 days before leaving to establish its own life.

The lifespan of this lizard can go as high as 20 years! In fact, a 20-year-old frilled lizard living in captivity holds the record as the oldest of its kind.

These lizards can become ill due to a lack of vitamin D and calcium. This causes lethargy and lack of appetite. Frilled lizards need a certain amount of ultraviolet light each day to receive vitamin D and absorb calcium to keep them in good health.

Frilled Lizard Population

According to the IUCN Red List of Threatened Species, the exact population of this reptile is unknown. This is because these lizards are quick to hide making it difficult to record an accurate count. However, their official conservation status is Least Concern.

Scientists think the population of this lizard is decreasing due to threats to its habitat and an increase in predators such as feral cats.

Frilled Lizards in the Zoo

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Frilled Lizard FAQs (Frequently Asked Questions) 

Are Frilled Lizards herbivores, carnivores, or omnivores?

This reptile is a carnivore.

What Kingdom do Frilled Lizards belong to?

Frilled Lizards belong to the Kingdom Animalia.

What class do Frilled Lizards belong to?

Frilled Lizards belong to the class Reptilia.

What phylum to Frilled Lizards belong to?

Frilled Lizards belong to the phylum Chordata.

What family do Frilled Lizards belong to?

Frilled Lizards belong to the family Agamidae.

What order do Frilled Lizards belong to?

Frilled Lizards belong to the order Squamata.

What type of covering do Frilled Lizards have?

Frilled Lizards are covered in scales.

What genus do Frilled Lizards belong to?

Frilled Lizards belong to the genus Chlamydosaurus.

In what type of habitat do Frilled Lizards live?

Frilled Lizards live in tropical forests and woodlands.

What is the main prey for Frilled Lizards?

Frilled Lizards prey on insects, rodents, and spiders.

What are some predators of Frilled Lizards?

Predators of Frilled Lizards include snakes, owls, and dingos.

What are some distinguishing features of Frilled Lizards?

Frilled Lizards have long tails and large, expanding frills on their necks.

How many eggs do Frilled Lizards lay?

Frilled Lizards typically lay 12 eggs.

What is an interesting fact about Frilled Lizards?

Frilled Lizards mainly live in the trees!

What is the scientific name for the Frilled Lizard?

The scientific name for the Frilled Lizard is Chlamydosaurus kingii.

What is the lifespan of a Frilled Lizard?

Frilled Lizards can live for 10 to 20 years.

What does a frilled lizard eat?

These lizards eat ants, butterflies, spiders, termites, smaller lizards, and small mammals.

Where does the frilled lizard live?

One of the many facts to remember about this lizard is it lives in a warm climate. Specifically, they live in tropical and temperate forests as well as in the savanna woodlands in the northern part of Australia.

Do frilled lizards spit venom?

No. These creatures don’t spit venom.

The idea that these reptiles are venomous likely came from a dinosaur called the dilophosaurus in the movie, Jurassic Park. This dinosaur looked a lot like a frilled lizard, and it was poisonous. After raising its neck frill, the dilophosaurus would spit venom. Though these two reptiles look a lot alike, the frilled lizard isn’t poisonous.

Where can I buy a frilled lizard?

There are some reptile farms that sell a variety of reptiles including frilled lizards. Some of these places let customers buy them in-person while others ship them to customers. Of course, anyone who wants to buy one of these reptiles should make it a point to learn all the facts about the care required for these warm weather creatures.

As a note, some people purchase a frilled lizard thinking they’ll enjoy seeing this creature raise its frill. However, frilled lizards kept as pets don’t raise their neck frill nearly as often as those that live in the wild.

Are frilled lizards dangerous?

No, frilled lizards are not dangerous. The reputation it has for being threatening is understandable when this lizard flares its neck frill, opens its bright pink mouth and hisses. However, this is all in an effort to scare predators away. In reality, this reptile is not dangerous. It’s simply trying to get out of a dangerous situation the only way it knows how!

How fast is a Frilled Lizard?

A Frilled Lizard can travel at speeds of up to 30 miles per hour.

How do Frilled Lizards have babies?

Frilled Lizards lay eggs.

Sources
  1. Wikipedia, Available here: https://en.wikipedia.org/wiki/Chlamydosaurus
  2. Animal Diversity Web, Available here: https://animaldiversity.org/accounts/Chlamydosaurus_kingii/

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