The breeding and reproduction of blue iguanas

Table of Contents

Are you thinking about adding a blue iguana to your family? Or are you curious about how these beautiful reptiles reproduce? Keep reading to learn all about the breeding and reproduction of blue iguanas!

How do blue iguanas reproduce?

Blue iguanas may be one of the most endearingly chill reptiles out there, but they aren’t slackers when it comes to reproduction! These rock stars of the reptile world can lay up to 40 eggs per clutch during their mating season, which usually falls between March and May.

Even more impressive is that they use environmental cues to determine when conditions are just right for successful reproduction – so that’s why they know exactly when it’s time to get down to business! And not surprisingly, male blue iguanas also play a part in taking care of their newborns, as they will vigilantly protect them until they’re strong enough to fend for themselves. That’s fatherly love at its finest!

When is the breeding season for blue iguanas?

Blue iguanas breed during the wet season in their native range, which spans from Colombia to the Galapagos Islands. This ranges from December to June, allowing the iguanas’ hatchlings enough time to mature before the dry season arrives. During this season, blue iguanas often come together in large groups and can be spotted basking in the sun in treetops or roaming around on land.

The males usually vigorously defend territories and are known for their loud calling during this time of year! Though female blue iguanas take longer to mature than their male counterparts, when ready for breeding they are fiercely sought after by several male contenders for mating rights.

How long is the gestation period for blue iguanas?

The blue iguana is not just cool to look at, but surprisingly also has quite a lengthy gestation period. These reptiles take approximately 12-13 months before their eggs are ready to hatch! It’s one of the longest periods among lizards and their cousins in the reptile world – that’s some serious commitment for those parents out there!

On top of that, the species is also critically endangered with its numbers declining rapidly in recent years—so let’s hope these committed parents can help see some success in repopulating the species.

How many eggs do blue iguanas lay?

The blue iguana is a unique species found in the Cayman Islands and is also known as the Grand Cayman iguana. These fascinating animals produce their eggs during the dry season, usually at a rate of two to eight eggs per clutch. Female blue iguanas usually lay between three to seven clutches in one breeding season with the number of eggs ranging from two up to seventeen.

The female can retain sperm for up to 10 months making her more efficient at reproducing each year. After laying their eggs, the females will stand guard over them until they hatch, which typically takes between 60-90 days depending on temperature and humidity levels.

Although some experts feared this species had gone extinct at one point, conservation efforts and better understanding have helped it rebound and blue iguanas are now included on the endangered species list instead of being completely wiped out.

What is the incubation period for blue iguana eggs?

The incubation period for blue iguana eggs is surprisingly long, lasting up to three months! The average temperature of the incubating environment makes a big difference too – generally, the higher the temperature, the shorter the incubation period. Knowing this and paying attention to temperatures is key if you want healthy iguana hatchlings.

Egg turning is also important since it helps maintain an even temperature around all sides of the egg, as well as providing consistent air exposure and humidity. Keep a close eye on those eggs during those 3 months!

How can I tell if my blue iguana is male or female?

Figuring out the sex of your blue iguana might initially seem like a tricky task, but with a few simple steps, it is well within reach. One significant indicator of your iguana’s gender is its size – males tend to be larger and more robust than females. Another telling detail can be seen in the shape of the tail – males generally have a thicker tail base while females have a more slender base.

For further assurance, more experienced owners may wish to take their reptiles to an exotics vet for visual inspection or gender ultrasound examination. With these simple tips, you should be able to easily determine whether your blue iguana is male or female in no time!


In summary, the blue iguana’s breeding and reproduction process is a true marvel to behold. Their varying courtship rituals, distinct habits, and intricate nesting behavior all combine to produce some of the most fascinating families found anywhere in nature. Understanding their biology and behavior can help ensure their conservation for future generations to enjoy. We have a responsibility to make sure that this majestic species continues to thrive so that relevant research and development can be conducted. For humans, discovering more about the blue iguana’s biology isn’t just for our education; it could serve as a beacon for how other species could potentially survive in difficult environmental conditions. Therefore, we owe these ancient creatures our continued care and respect.

More Of The Same Category​

Nelson Knox

Nelson Knox

Hello there!
My name is Nelson Knox, and I'm a 37-year-old lizard grower from Oklahoma.
I live with my girlfriend Lillian and our 2 lizards, Ringo & Star, and we spend our days exploring their fascinating world. We love to watch them hunt for bugs, bask in the sun, and enjoy life generally!

About Me

Recent Posts

15 Most Beautiful Iguanas in the World