According to New Scientist, there are several varieties of venomous lizards, but the presence or absence of a blue tail isn't enough to determine which lizards are poisonous and which ones are not. In fact, as recently as 2005, there were thought to only be two types of venomous lizard.Know More
New Scientist states that up until 2005, only Gila monsters and Mexican bearded lizards, both of which can have bluish tails, were believed to be venomous. However, based on research that was published at that time, it's believed that most monitor lizards and iguanas also produce venom. Before 2005, scientists erroneously blamed inflamed or deadly bites from iguanas and monitor lizards, including Komodo dragons, on the lizard's mouth bacteria instead.
Though not an issue for humans, American five-lined Skinks are toxic to pets and other animals. They are one of the most common lizards on the east coat of the United States, and young five-lined skinks do have a noticeable blue tail. When ingested, these lizards can case Peripheral Vestibular Disease in animals. Though debilitating to the animal, it is usually not a lasting condition, but a vet consultation may be merited if a pet has come into contact with one.Learn more about Lizards
The frilled lizard is native to Northern Australia and Southern New Guinea. They inhabit tropical and warm temperate forests, as well as woodlands. These lizards are arboreal, spending most of their lives in trees, only descending for food or to engage in territorial conflicts.Full Answer >
Lizards do have teeth. However, the teeth of most lizards aren't specialized the way they are in animals like carnivores or rodents. All of their teeth look like pegs and are simply for catching prey and moving them down the digestive tract.Full Answer >
Lizards do pushups to communicate with other lizards, both male and female, especially if there is a lot of environmental noise that makes it difficult for the lizard to communicate vocally. Lizards often follow up the pushups with the head bob, which shows personal strength and conveys a territorial message to other lizards.Full Answer >
Geckos are types of lizards, but have several physical features, such as shorter and broader heads and sticky feet, that distinguish them from other types of lizards. Geckos and lizards live in many areas around the world and are particularly well-suited for life in hot and dry locations, such as the American southwest and deserts in the Middle East.Full Answer >