10 Strongest Animals in the Jungle, Ranked by Strength

Ask ten people, "What is the strongest animal in the jungle?" and you will get ten different answers—lion, tiger, gorilla, and elephant. The thing is, strength is not one number. An elephant wins on raw lifting power. The dung beetle wins on body-weight-relative strength. The jaguar wins on bite force per square inch. Below, we rank the jungle. The saltwater crocodile inhabits the rivers and ponds of Southeast Asia and the Australian jungles, and it is considered one of the few reptiles that are true heavyweights in the rainforests due to its significant strength.

No single test of strength works for an elephant, a beetle and a crocodile. So researchers use different metrics for different animals. In wildlife science, three measurements keep coming up:

• Absolute strength: The total weight an animal can lift or carry regardless of its size. This measurement is beneficial for giants like elephants.
• Relative strength (strength-to-weight ratio): The amount of movement an animal can generate relative to its body weight. Here is the land of the little, thick-muscled beasts, the ants and beetles.
• Bite force strength: Measured in pounds or newtons per square inch (psi) using pressure-sensor bite plates or computer models from scans of jaw muscles. This measurement favors animals with short, powerful skulls, such as crocodiles.

The saltwater crocodile lives in the rivers and ponds of Southeast Asia and Australian jungles and is one of the few reptiles jaguars fear. Strength categories matter because an elephant, a beetle, and a crocodile can all legitimately be called the "strongest" in different ways.

The African forest elephant is the strongest animal in the jungle. A fully grown adult can weigh over 5,000 pounds and can uproot small trees, drag fallen logs, and carry loads in excess of a ton using its boneless trunk that contains more than 40,000 muscles. No other jungle mammal has such strength. This allows him to support the weight of an attached infant for long periods while having hauling capacity.

The difference between the strongest elephant and the gorilla or the tiger is restraint. Brute force can shred the bark off a tree one second, then pluck a single leaf the next. That mix of power and precision is part of why elephants shape entire forest ecosystems—knocking down trees that open clearings for smaller species to thrive.

A silverback gorilla can lift almost ten times its own body weight, so its relative strength is far greater than an adult human. Researchers estimate that the bite force of a gorilla alone can exceed 1,300 psi, strong enough to crush thick bamboo stalks for a daily meal.

Gorillas are strong, but mostly gentle herbivores. Even before they show it in actual conflict, they show their strength long before by beating their chests and snapping branches in warning – a reminder that "strongest" isn't always "most aggressive." Adult male silverbacks can weigh upwards of 400 pounds, not fat, mostly dense muscle.

The green anaconda does not bite its prey to subdue it. It overpowers with the pressure. The prey exhales as it is encircled by the snake and the snake tightens its grip with the warning—blood flow to the heart stops within seconds. Anacondas can weigh over 200 pounds and can kill capybaras, caimans, and even jaguars in rare cases.

An anaconda doesn't have to be fast and doesn't need the poisonous punch of venomous conflict; they win a fight. Once a part of its body wraps around a warning—also, the muscle contraction is always "more to break by brute force alone, making constriction one of the most effective hunting strategies in the entire jungle food chain.

The saltwater crocodile has the most powerful bite force of any living animal, with lab tests recording approximately 3,700 psi—more than ten times that of a human bite. Closing the jaw provides almost all of that force. The muscles that open the jaw are relatively weak. That's why in emergencies you can hold a crocodile's mouth shut with your hands, but nothing can pry it open.

By comparison, the average human bite is about 150 to 200 psi, and a great white shark's bite is estimated around 4,000 psi in some models — meaning a saltwater crocodile's jaws are near the top of the entire animal kingdom, not just the jungle.

The jaguar has the strongest bite of all the big cats, relative to its body size. Lions and tigers typically kill by crushing a thrashing snake, but jaguars bite right through the skull or the tough shell of a turtle or caiman. That's a relatively direct, bone-crushing way to hunt for a cat that size.

Jaguars are also strong swimmers, which is not typical for big cats. They'll drag prey through rivers and even ambush caimans in the water, pinning a struggling reptile with their front paws and shoulders as they deliver that signature skull bite.

The Bengal tiger is designed for brief bursts of violent power, not sustained power. The tiger can drag a carcass over twice its own body weight across rough terrain. The tiger can strike with its front paws and break a spine or skull in a single blow.

That power is a result of a huge mass of muscle concentrated in the shoulders and forelimbs — the same anatomy that lets a tiger bound more than 30 feet horizontally when chasing prey through thick jungle cover. Tigers are ambush hunters, not endurance runners, relying on a short, violent burst covering the last 20 to 30 feet to reach the target.

The strongest bird of prey in the jungle canopy is the harpy eagle. It has claws as long as those of a grizzly bear, and its grip strength is estimated to be stronger than the bite force of a large dog. With that grip, it can lift monkeys and sloths right out of the treetops without a struggle.

A harpy eagle's rear talon alone can be more than two inches long, and all four talons working together can instantly pierce bone. This allows it to grab prey almost as heavy as the bird itself and lift it off a tree branch to bring it back to the nest.

The rhinoceros beetle is the strongest in the jungle when strength is measured against body weight. It can carry about 850 times its own weight, the same as an average adult human carrying a fully loaded semi-trailer truck. Its close cousin, the dung beetle, isn't far behind, able to pull over 1,000 times its weight as it rolls dung balls for food and nesting.

Scientists partly blame physics. Smaller creatures have more muscle fiber packed in proportion to their total mass. This is because muscle strength scales with the cross-sectional area of the muscle, but body weight scales with volume. That is why an ant can carry many times its body weight, while an elephant can carry only a fraction of its own.

Orangutans live their entire lives in the treetops of Borneo and Sumatra, and their arm strength reflects that. The arm span of an adult male can be tremendous. An adult male orangutan can have an arm span of seven feet, and his grip strength allows him to support not only his full body weight but also that of an attached infant for long periods while foraging or building a nest for the night.

An orangutan is not powerful the way a gorilla is on the ground but in suspension and control, moving 100-pound bodies through the canopy without ever touching the jungle floor.

Hippos may not be deep-jungle creatures, but they do patrol the rivers that flow through many tropical rain forests, and their strength gets them a place on this list. An adult hippo can weigh up to 4,000 pounds and has a bite pressure of 1,800 pounds per square inch, enough to snap a small boat in half. Their jaws can open almost 180 degrees—wide enough to swallow a person whole—although hippos are herbivores and do not hunt prey.

Hippo aggression is mostly territorial, not predatory, but their size, bite force, and short burst speed on land make them one of the most dangerous animals sharing a jungle river system.

That depends on what you are measuring. When it comes to sheer lifting power, the African forest elephants are estimated to be able to down trees. The rhinoceros beetle dominates the strength-to-weight ratio. The saltwater croc holds the world record for bite force. There is not one right answer; there are different competitions and different winners.

So the next time you're asked what animal is the strongest, you'll have a better answer than a single name: it depends on whether you mean lifting, gripping, biting, or climbing—and the jungle has a different champion for each one.