All the protein and nutrition without the wriggle! Can O\'Worms contains dried mealworms - in a can and the nutritional content is maintained so the birds still get everything that they need. Protein-rich foods, such as mealworms, are extremely beneficial to a wide range of species, not just birds. As well as being important for the survival of young birds, they are attractive and nutritious to many garden visitors. Medium size mealworms. Ideal for garden birds, but are also suitable for most lizards, turtles, fish and small animals