The largest breed of rabbit is the Flemish Giant.
65
Rattlesnake mating sessions have been known to last more than 22 hours.
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Dolphins have names for one another.
18
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
Cats and dogs can hear ultrasound.
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