🐻 American black bear vs Bull shark 🦈
The bull shark is about one and a half times as long as the American black bear. The American black bear weighs about twice as much as the bull shark.
Getting the animals ready…
| Row | 🐻 American black bear | 🦈 Bull shark |
|---|---|---|
| Size The bull shark is about one and a half times as long as the American black bear. | 3.9 to 6.6 ft1.2 to 2 m1 | 7.5 to 9.3 ft2.3 to 2.8 m2 |
| Top speed Neither has a checked number yet. | no checked number yet | no checked number yet |
| Weight The American black bear weighs about twice as much as the bull shark. | 86 to 902 lb39 to 409 kg1 | 209 to 245 lb95 to 111 kg2 |
| Lives The bull shark usually lives about 3 times as long as the American black bear. | 10 years10 years1 | 32 years32 years2 |
| Eats The American black bear eats plants and animals; the bull shark eats fish. | grasses, fruit, nuts and insects, and sometimes animals that have died | mostly fish such as catfish and stingrays, and also crabs |
| Lives in They live in different kinds of places, so they would hardly ever meet. | forests across North America, in thick brush with plenty of food | warm, shallow coastal seas, and also rivers and lakes |
Which one? American black bear or bull shark
🏁 Who would win the race?
We don't have a checked top speed for the American black bear or the bull shark yet, so there is no race.
We only race. Real animals mostly avoid each other. A race is the only fair contest: who reaches the tree first, by top speed. Our face-off books compare real numbers, and nobody gets hurt.
10 things to know about American black bear vs Bull shark
- The American black bear: A common bear of North American forests that eats mostly plants.
- The bull shark: A sturdy shark that can swim in salt water and in fresh water.
- They are different kinds of animal. The American black bear is a mammal, so it breathes air with lungs and feeds its babies milk; the bull shark is a fish, so it breathes with gills.
- The bull shark is about one and a half times as long as the American black bear: 2 against 1.
- The American black bear weighs about twice as much as the bull shark. That is 1 for the American black bear and 2 for the bull shark.
- The bull shark usually lives about 3 times as long as the American black bear. Usual lifespans: 1 for the American black bear and 2 for the bull shark.
- The American black bear eats grasses, fruit, nuts and insects, and sometimes animals that have died. The bull shark eats mostly fish such as catfish and stingrays, and also crabs.
- The American black bear lives in forests across North America, in thick brush with plenty of food. The bull shark lives in warm, shallow coastal seas, and also rivers and lakes. They live in different kinds of places, so they would hardly ever meet.
- The American black bear: doing fine (Least Concern on the IUCN Red List). 3
- The bull shark: needs help (Vulnerable on the IUCN Red List). 4
Wow facts
🐻 American black bear
- A black bear eats mostly plants.
- It lives in forests from Alaska to Mexico.
- In spring it eats grasses.
🦈 Bull shark
- A bull shark can swim in salt water and in fresh water.
- It is the only shark that can stay in fresh water for a long time.
- It eats mostly fish such as catfish and stingrays.
Questions kids ask about American black bear and Bull shark
Which is bigger, American black bear or bull shark?
The bull shark is about one and a half times as long as the American black bear: 2 against 1.
Which is heavier, American black bear or bull shark?
The American black bear weighs about twice as much as the bull shark. That is 1 for the American black bear and 2 for the bull shark.
Which lives longer, American black bear or bull shark?
The bull shark usually lives about 3 times as long as the American black bear. Usual lifespans: 1 for the American black bear and 2 for the bull shark.
What do American black bear and bull shark eat?
The American black bear eats grasses, fruit, nuts and insects, and sometimes animals that have died. The bull shark eats mostly fish such as catfish and stingrays, and also crabs.
Where do American black bear and bull shark live?
The American black bear lives in forests across North America, in thick brush with plenty of food. The bull shark lives in warm, shallow coastal seas, and also rivers and lakes. They live in different kinds of places, so they would hardly ever meet.
Who would win, American black bear or bull shark?
We never show fights, because a fight is not a fair way to compare animals. They live in different kinds of places, so they would hardly ever meet. What we can compare is how big, how heavy, how fast, how long they live and what they eat, as above.
📤 Share this pair
The link carries only the two animals’ names: peabody.kids/animals/compare/black-bear-vs-bull-shark
Where these numbers come from
- University of Michigan Museum of Zoology, Animal Diversity Web: Ursus americanus (American black bear), checked 10 November 2026.
- University of Michigan Museum of Zoology, Animal Diversity Web: Carcharhinus leucas (bull shark), checked 10 November 2026.
- Wikidata, from the IUCN Red List, checked 10 November 2026.
- Wikidata, from the IUCN Red List, checked 10 November 2026.