The female harpy eagle, the strongest bird in the world, can lift up to 18kg, which is approximately double its own weight, making it an apex predator at the top of the food chain.
An average male leopard can lift up to 125kg, using their strong jaw muscles and powerful legs to pull larger prey into trees to keep it safe from rivals like tigers and lions.
Adult male polar bears can weigh between 300 and 700kg, and although they aren't particularly good at catching seals, their powerful jaws and lack of fear of humans make them very dangerous.
Fully-grown male lions, weighing between 150 and 250kg, and females, weighing between 120 and 180kg, can drag larger animals over short distances using their powerful jaws and leg muscles.
Grizzly bears, capable of lifting 227kg with one paw and having the strength of five strong humans, are impressive hunters and highly intelligent, mapping territories and forming social hierarchies.
Bengal tigers, the most powerful big cats, can bring down prey twice their size, run at speeds up to 65km/h, and possess such powerful paw swipes that they could kill a human instantly.
Musk oxen, weighing between 180 and 410kg, use their strong muscles to pull vast weights for long distances and have powerful head and neck muscles for fighting off predators with mighty blows.
Adult male white rhinos can weigh between 1,800 and 2,500kg, with an estimated ability to pull weights of 800 to 1100kg, demonstrating immense strength despite being herbivores.