Top 10 Largest Omnivores in the world (Biggest Omnivores 2023)

Food is one of the essential components for the survival of an organism. While some animals prefer a plant-based diet, others depend on other animals for food. Quite a large number of animals have a diet that lies in both spectrums, i.e., they consume plant matter as well as other animals. For a few days, a common question, which is the largest omnivore in the world, has kept surfacing. To address this question, we bring to you our today’s article, Top 10 Largest Omnivores in the world (Biggest Omnivores 2022).

10) Dogs

Image Source: Reader’s Digest


Size- 15- 110 centimeters (Largest Breed: Great Dane)

Scientific name- Canis familiaris

Descendants of the wolves, which are carnivorous, dogs, due to their living in human proximity, have developed into omnivores. Though the species variation is huge, dogs like the Siberian Husky, Malamute, German Shepherd, Doberman, Rottweiler, Mastiff, and St. Bernard are large and strong dog breeds. 

Being man’s best friend, they have become quite adept in consuming omnivorous foods, as per their nutritional requirements. Dogs primarily feed on meat products, milk, eggs, and also vegetables like carrots, beans, etc.

9) Chimpanzees

Image Source: Britannica

Size- 150 centimeters

Scientific name- Pan troglodytes

Widely known as the closest relative to humans, Chimpanzees rank 9th in the list of Largest Omnivores worldwide. These species of Great Apes from the Savannah rainforests are typically 150 cm tall when standing as adults (4 ft 11 in). 

Wild mature males are heavier than females, weighing 88-154 lb (40-50 kg) and 27- 50 kg (60-110 lb), respectively. Individuals in captivity are slightly larger than those in the wild.

Chimpanzees primarily consume fruit, leaves, and buds, although they occasionally hunt other smaller primates like red-tailed monkeys, bush infants, common warthogs, etc.

8) Cassowary

Image Source: World Wildlife Fund

Size- 1.5-2 meters

Scientific name- Casuarius sp.

Next up on our list of the Largest omnivores in the world we have the Cassowary. These Australian birds are pretty shy and live in dense forests. Although some females may reach 2 meters (6.6 ft) in height, adult male southern cassowaries are 1.5 to 1.8 m (5 to 6 ft) tall, weighing 58.5 kilograms (130 lb). 

They have a sharp claw that may reach lengths of 5 inches. Cassowaries can attack humans and animals with a kick, which is one of the strongest in the animal world. They consume fruit primarily, but they also devour mice, birds, snails, etc.

7) Emu

Image Source: Australian Museum

Size- 6.2 feet

Scientific name- Dromaius novaehollandiae

Emus are brown, flightless birds with long necks and legs and can grow as tall as 1.9 meters (6.2 feet). Emus are capable of traveling long distances with speeds of 48 km/h. They weigh between 18 and 60 kilograms (40 and 132 lb) as adults, with a male and female average of 31.5 and 37 kg (69 and 82 lb), respectively. 

The diet is based on seasonal availability, favoring plants like grasses, acacia, and casuarina. Among arthropods, they consume grasshoppers, cockroaches, crickets, cotton-boll moth larvae, ants, spiders, and millipedes.

6) Tapanuli Orangutans

Image Source: Great Apes

Size- 137-110 centimeters (54-43 inches)

Scientific name- Pongo tapanuliensis

The Tapanuli Orangutans are an endemic species to South Tapanuli in Sumatra and are one of the largest primates. Males are taller and heavier than females; they stand 137 cm (54 in) tall and weigh 70–90 kg (150–200 lb), compared to females, who stand 110 cm (43 in) tall and weigh 40–50 kg (88–110 lb). 

Tapanuli Orangutans are exclusively arboreal and feed on leaves, buds, fruits, caterpillars, and sometimes even slow lorises. With less than 800 individuals left in the eye, it is one of the most endangered primate species.

5) Ostrich

Image Source: National Geographic

Size- 2.1-2.8 meters

Scientific name- Struthio sp.

The following species in our list of the Largest omnivorous animals in the world we have is the Ostrich. With heights ranging from 2.1 to 2.8 m and weighing 100 kg or more, the Ostrich is the largest bird in the world.

Their diet comprises grasses, fruits, shrubs, flower insects, and small reptiles and mammals. Ostriches, with the largest eyes in the world, possess an acute vision that helps them to spot predators from afar. Long powerful legs provide them with high speeds and also deliver immensely strong kicks.

4) Wild Boars

Image Source: National Geographic

Size- 63 – 120 centimeters (height), 90 – 200 cm (length)

Scientific name- S. scrofa

The wild boar has short, relatively narrow legs and a powerfully developed bulky body. Depending on the area and species, they can weigh anywhere from 100 to 300 kg or even more. The trunk is short and sturdy. 

Their heads are meant for digging, which helps them to consume tubers, root bulbs, fruits, berries, grasses, nuts, and even eggs, frogs, and carcasses. They are quite strong beings, and it takes a long time to bring them down for any carnivore.

3) Bears

Image Source: Vital Ground

Size- 4-8 feet long (depending on the species)

Scientific name- Ursus sp.

Among all the animals, bears exhibit the best omnivorous diet. They are large bulky animals, though the size differs depending on the species, with the Kodiak Bears being the largest.

The diet of a bear changes concerning the season and also the type of food available. While they primarily feed on berries, fruits, grasses, etc., they will also eat young fawns, seals (only by the Polar Bears), fishes like salmon, and insects for proteins.

2) Hippos

Image Source: Twinkl

Size- 1.3-1.6 meters (height), 3-5 m (length)

Scientific name- Hippopotamus amphibius

The hippopotamus is one of the largest land animals and is, undoubted, one of the largest omnivores in the world. They have a barrel-shaped body, with a wide opening mouth featuring their large canine tusks. 

They weigh, on average, 1350-1500 kg, with males sometimes exceeding 2,600 kilograms. Though plant matters comprise a significant portion of their diet, they sometimes become carnivorous like the Hippos in the South Luangwa River in Zambia.

1) Whale Shark

Image Source: Dive Magazine

Size- 8-12 meters

Scientific name- Rhincodon typus

The first animal on this list of Largest Omnivores in the world is the largest living fish, the Whale Shark. They may grow up to 18 meters but, on average, lie in the range of 8-12 meters. 

The whale shark hunts for prey at or near the ocean’s surface and is well suited to filter feeding, thanks to its big mouth. 

They consume phytoplankton (plant material) and zooplankton, like copepods, shrimp, and other invertebrates. Whale Sharks also consume a broad spectrum of fish like mackerels, tunas, squids, and anchovies.

Here we conclude our articleTop 10 Largest Omnivores in the world (Biggest Omnivores 2022). We will be bringing many more such articles shortly, so stay tuned for more.

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