Herbivores - Definition, Examples, Quiz, FAQ, Trivia
Discover how animals survive on a plant-only diet and their role in ecosystems
What is an Herbivore?

Herbivores are animals that eat only plants. They are nature's vegetarians! Unlike carnivores that eat meat or omnivores that eat both plants and animals, herbivores get all their energy from plant matter.
Herbivores come in all sizes - from tiny caterpillars munching on leaves to enormous elephants that eat hundreds of pounds of vegetation each day. They have special adaptations that help them eat and digest plants, including:
• Flat teeth for grinding plants
• Special stomachs to break down tough plant fibers
• Long digestive systems to extract nutrients
Did You Know?
Herbivores are also called primary consumers because they are the first animals to eat plants in the food chain!
Types of Herbivores

Not all herbivores eat the same kinds of plants! Scientists group them based on what they eat:
Grazers
Animals like cows, horses, and zebras that eat grass
Browsers
Animals like deer, giraffes, and koalas that eat leaves and twigs
Frugivores
Animals like parrots, bats, and monkeys that eat fruit
Nectarivores
Animals like hummingbirds and butterflies that drink nectar
Granivores
Animals like squirrels and sparrows that eat seeds
Ruminant Animals
Some herbivores like cows and deer are ruminants with special stomachs that ferment food before digesting it. They chew their food, swallow it, bring it back up, and chew it again!
Herbivores in the Food Chain

Herbivores play a vital role in food chains and food webs:
Primary Consumers: Herbivores are called primary consumers because they eat producers (plants) and convert plant energy into animal energy.
Energy Transfer: They pass energy from plants to carnivores. Without herbivores, carnivores couldn't survive!
Trophic Levels: Herbivores occupy the second level in trophic pyramids. Many herbivores are needed to support fewer carnivores.
Producers
Plants that make food from sunlight
Primary Consumers
Herbivores that eat plants
Secondary Consumers
Carnivores that eat herbivores
Why Herbivores are Important

Herbivores are essential for healthy ecosystems:
Plant Control
They prevent plants from overgrowing and help with forest renewal
Seed Spreaders
They carry seeds in their fur or digestive systems to new locations
Nutrient Cyclers
Their waste returns nutrients to the soil
Herbivores also help shape their environments:
• Beavers build dams that create wetlands
• Grazing animals maintain grasslands
• Elephants create clearings in forests
• Insects pollinate flowers and help plants reproduce
Without herbivores, many ecosystems would become unbalanced with too many plants and fewer habitats for other animals.
Herbivore Quiz
Test your herbivore knowledge with this fun quiz! Answer all 5 questions to see how much you've learned.
Frequently Asked Questions
Here are answers to some common questions about herbivores:
Fun Herbivore Trivia
Discover some amazing facts about herbivores!
Slow Digestion
Koalas take about 200 hours (over 8 days!) to digest their eucalyptus leaves. That's one of the slowest digestion rates in the animal kingdom!
Ever-Growing Teeth
Rabbits, beavers, and other rodents have teeth that never stop growing! They need to constantly chew tough plants to wear them down.
Constant Eating
Cows spend about 8 hours a day eating and another 8 hours chewing their cud! They eat approximately 40 pounds of food daily.
Tiny Giants
About 99% of all herbivores are insects! Grasshoppers, caterpillars, and beetles consume more plant material than all large herbivores combined.