Plant-eating

If a wolf consumes a plant-eating rodent, the wolf is classed as a secondary consumer.

Researchers at the University of Pennsylvania examined a rock slab found in China that contains the fossils of 25 common plant-eating dinosaurs (Psittacosaurus lujiatunensis), that lived between 123 to 100 million years ago.

The scientists say they unearthed two enormous vertebrae and a femur, or thigh bone, of a plant-eating sauropod species called Alamosaurus.

The triceratops was a plant-eating dinosaur.

The triceratops was a three-horned plant-eating dinosaur.