Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
The reindeer is the only mammal that can see UV light.
17
One in three dog owners say they have talked to their pets on the phone.
427
Lurch, a Watusi bull, had the largest horns in the world.
32