Animal+top+20+strongest

Grizzly Bear,Bison,American Black Bear,Mountain Lion,American Kestrel,Common Raven,Western rattlesnake,Heterodon nasicus,

400–1,500 pounds Grizzly Bear Lewis and clark did not mess with that animal 1,500-3,000 pound Bison lewis and clark killed for food 660-750 pounds American Black Bear Lewis and clark attack for food and lewis got hurt a bit 100-150 pounds Mountain Lion Lewis and clark meet and said it is the fastest animal they ever seen 3.0-3.2 oz. American Kestrel the bird is strong for the weight lewis that is was the smartest bird he saw 1.5-3.6 pounds Common Raven the bird killes small birds and lewis ate this bird 50-100 pounds western rattlesnake was a snake that lewis got sick and hurt over this snake 25-50 pounds Heterodon nasicus was a snake that lewis said that was the longest snake he meet. pictures1