Most lizards are omnivores, however, what a lizard eats is largely influenced by its size. With over 3,800 different species of lizard, there is no set diet between them.
Common lizards feed on insects, such as flies, grasshoppers and spiders, according to the Surrey Amphibian and Reptile Group. They also eat invertebrates, including earthworms, small snails and centipedes.
Small lizards can be carnivorous, herbivorous or omnivorous. Small lizards may eat a variety of insects, plants or a mixture of the two. Most lizards have a high metabolic rate and need to eat several times a week.
A lizard can live without food varies from species to species. Adult bearded dragons can survive for up to three weeks without eating, while adult leopard geckos can live for over a month without eating. It also depends on whether the lizard is an adult or a baby.
The lizard has a wide variety of predators, including birds, snakes and even other lizards. When being chased or attacked by predators, lizards may swell up, hiss, break off their tails to escape or even change colors to blend in with their surroundings.
Baby lizards are able to eat the same things that adult lizards eat, so no special diet is required for babies. The diet of a baby lizard is dependent on the diet of its species.
There are many lizards that are herbivorous and exclusively eat plants, while there are also some lizards that are omnivorous or carnivorous. Most pet lizards are omnivorous and need a variety of food including plants, insects and fruit to meet nutritional requirements.
California lizards eat mostly ants, grasshoppers, spiders and beetles. They have a small row of teeth on each jaw and teeth on the roof of their mouths. Lizards snatch their food with long, sticky tongues, crush it in their jaws and swallow it with very little chewing.
Brown lizards, or anoles, are insectivores that eat crickets, mealworms, moths, cockroaches, grasshoppers, waxworms and other arthropods. In the wild, brown lizards may eat other lizards, lizard eggs, aquatic arthropods and small fish.
Garden lizards in the wild typically eat snails, insects and caterpillars. In captivity, garden lizards have a diet that mainly consists of crickets and other small bugs .