omnivori

Omnivori refers to animals that consume both plants and animals. This dietary classification places them in contrast to herbivores, which only eat plants, and carnivores, which primarily eat meat. Omnivores possess digestive systems and dentition adapted for processing a varied diet, often including features suited for both plant and animal matter. Their ability to exploit a wide range of food sources contributes to their ecological success and adaptability across diverse environments.

The term omnivore is derived from the Latin words "omnis," meaning "all," and "vorare," meaning "to devour." This reflects the broad nature of their diet. Examples of omnivores are numerous and include species from various animal classes. In mammals, common omnivores include humans, bears, pigs, raccoons, and badgers. Birds such as chickens, crows, and many species of gulls are also omnivorous. Insects like ants and cockroaches, as well as some fish and reptiles, also fall into this category.

The opportunistic nature of omnivorous diets allows these animals to thrive in environments where food availability might fluctuate. They can adapt to seasonal changes in plant growth or the presence of prey animals. This dietary flexibility is a significant evolutionary advantage, enabling omnivores to occupy a wide range of ecological niches and survive in conditions that might challenge more specialized feeders. The specific balance of plant and animal matter in an omnivore's diet can vary greatly between species and even within a species depending on its environment and available food.