This is a list of herbivorous animals. Herbivores are animals that eat plants. Herbivory is a form of consumption in which a heterotrophic organism consumes other organisms, principally autotrophs such as plants, algae and photosynthesizing bacteria. More generally, organisms that feed on autotrophs in general are known as 1st level consumers.
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Mammals
Mammals (formally Mammalia) are a class of vertebrate, air-breathing animals whose females are characterized by the possession of mammary glands while both males and females are characterized by hair and/or fur, three middle ear bones used in hearing, and a neocortex region in the brain. Some mammals have sweat glands, but most do not. Some mammals are herbivorous, and some are not. Herbivorous mammals include:
Bovines
Giraffes
Diprotodontia
Equids
Lagomorpha
Other
Rodents
Sirenians
Squamata (lizards, snakes, and worm lizards)
Testudines (turtles, terrapins and tortoises)
Dinosaurs
Birds
Birds (class: Aves) are winged, bipedal, endothermic (warm-blooded), egg-laying, vertebrate animals. There are around 10,000 living species, making them the most varied of tetrapod vertebrates. Some birds are herbivorous, and some are not.
Amphibians
Some extant Lissamphibians display semi-herbivorous habits: