The system that circulates blood through the body, consisting of the heart and blood vessels. In all vertebrates and certain invertebrates, the circulatory system is completely contained within a network of vessels. In vertebrates, the lymphatic system is also considered part of the circulatory system.
While a squirrel isnât going to pen the next bestseller or ace a calculus class, the squirrel is smart in his own way. When looking at animal intelligence, humans shouldnât judge animals by human standards.
Best Answer: Squirrels are omnivorous to a degree, yes. They will eat insects, birds' eggs and nestling birds when they get the chance. However, they are less omnivorous than certain other rodents, such as rats and mice, which can and do eat almost anything.eport Abuse. Squirrels are omnivores; they eat a wide variety of plant food, including nuts, seeds, conifer cones, fruits, fungi and green vegetation, as well as insects.