Many people object less to this kind of diet. Pet Snakes That Don’t Eat Rodents: Insect-Eating Snake Care - Written by Zoologist Frank Indiviglio on That Reptile Blog. What do baby snakes eat? Of course they consume other invertebrates, including annelids (worms), but a good meal for a garter snake, many of which enjoy water, include salamanders, frogs, toads and small fish. Rather, only some snakes will eat them. Baby snakes often eat the same foods that their parents eat, though size is an important factor. Their diet consists of almost any creature that they are capable of overpowering: slugs, earthworms, insects, leeches, lizards, spiders, amphibians, birds, fish, toads and rodents. Garter snakes will eat close to everything that they are able to overpower. Garter snakes, like all snakes, are carnivorous. The smallest snakes often eat things like earthworms and insects. Cold blooded animals such as frogs, toads or earthworms are some of what garter snakes eat. Garter snakes will eat their weight in mice in a couple months. They also eat a variety of insects. In garter snakes, it works to stun the snake's prey, immobilizing the prey to make it easier for the snake to kill. All snakes are carnivores, which means there are no herbivore snakes. Garter Snakes will eat tinned cat food in captivity. The garter snake is a species that can eat insects, among other things. My big female Checkered Garter Snake loves moist chicken flavoured tinned cat food. This removes hiding spots for the snakes and their prey. Garter snake is a common name for the generally harmless, small to medium-sized snakes belonging to the genus Thamnophis. There are numerous small snakes that subsist on a diet of insects, arthropods, and worm snakes, which, befitting of it’s name, feeds on exclusively on worms (annelids). Garter snakes eat more than insects. They also consume slugs, leeches, lizards, insects such as spiders, rodents, amphibians, insects and birds. Garter snakes, ribbon snakes, rough and smooth green snakes, hognose snakes, and water snakes. While the majority of snakes predate on vertebrates, some species consume insects. This is a great benefit to some people as these small snakes will kill all the pests in people's gardens. They also eat fish, tadpoles, and earthworms. They were thought until the early 2000s to be non-venomous, but they do, in fact, produce a neurotoxic venom, though the small amount and mildness ensures that it cannot kill, or even harm, a human being. Is that a trick question? But those that do will enjoy them. Just in case the pet store workers were true witless wonders, and told you that garter snakes can be fed insects--they can't be. 5) Can Snakes Eat Insects? These snakes eat a wide variety of prey, including birds, fish, insects and amphibians. Most garter snake keepers use worms or fish to scent small frozen/thawed mice, and switch the snakes over to eating frozen/thawed rodents, to reduce the risk of parasites being contracted by the snake. Insects are less of a general treat. The common garter snake, Thamnophis sirtalis, is the state reptile of Massachusetts. Some snakes even eat other snakes, like the Kingsnake. While homeowners can be frightened to see small snakes in their yard and garden, they can be beneficial at killing pests. Endemic to North America, species in the genus Thamnophis can be found from the subarctic plains of Canada to Central America. Copperheads (Agkistrodon contortrix) are well-known for catching cicadas, and scientists have documented them and their relatives the cottonmouths (Agkistrodon piscivorous) eating cockroaches as well.