Mammals:
1. African Bush Elephant: The largest land animal, males can weigh up to 6 tons.
2. Asian Elephant: Similar in size to the African bush elephant, males can weigh up to 5 tons.
3. White Rhinoceros: The second largest land mammal, males can weigh up to 2.3 tons.
4. Hippopotamus: Found in Africa, males can weigh up to 1.5 tons.
5. Black Rhinoceros: Weighing up to 1.4 tons, they are critically endangered.
6. Giraffe: The tallest land mammal, males can weigh up to 1.9 tons.
7. American Bison: Weighing up to 1.2 tons, they are the largest land mammal in North America.
8. Water Buffalo: A large, domesticated bovine, males can weigh up to 1.2 tons.
9. Indian Rhinoceros: Found in India and Nepal, males can weigh up to 2.3 tons.
10. Polar Bear: The largest land predator, males can weigh up to 1.5 tons.
11. Grizzly Bear: A large bear species found in North America, males can weigh up to 1.3 tons.
12. Moose: The largest member of the deer family, males can weigh up to 1.6 tons.
13. Eland: The largest antelope, males can weigh up to 2 tons.
14. Ox: Domesticated cattle, males can weigh up to 1.5 tons.
15. Yak: A long-haired bovine found in the Himalayas, males can weigh up to 1.2 tons.
Other:
16. Komodo Dragon: The largest lizard in the world, they can weigh up to 160 kg (about 350 lbs).
17. Saltwater Crocodile: While they are semi-aquatic, the largest ones can weigh over 1 ton.
18. American Alligator: Another large semi-aquatic reptile, some can weigh over 1 ton.
19. Giant Salamander: The largest amphibian in the world, they can weigh up to 45 kg (about 100 lbs).
20. Giant Tortoise: Some species of giant tortoise can weigh over 1 ton.
Please note: This is not an exhaustive list and there may be other land animals that weigh over a ton. The weight of individual animals can vary greatly depending on factors such as age, sex, and habitat.