The Basenji dog is the only dog that is not able to bark.
4
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
Lurch, a Watusi bull, had the largest horns in the world.
32
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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