11Pigs
Pigs are smarter than any other domestic animal and they are considered by animal experts to be more trainable than dogs or cats.
12Cows
Cows, being social animals,can actually recognise each other based on facial features, which is an ability attributed only to a low number of species.
13Possums and opossums
Possums and opossums are different animals and that the spellings shouldn't be used interchangeably.
14Live snails
Live snails need their own train ticket if you take one on a train in France. According to French law, when taking any animal under 6kg (approx. 13lbs) one must pay 7 Euro (approx. $7.5) for the ride. Law requires you to stay with your snail and keep it and the other passengers safe for the whole ride.
15Macaques
Macaques and by extension many other monkeys and mammals have the anatomical capacity to speak but not the brain capacity and neural control to do so. This contradicts the often claimed statement that animals can’t make speech due to their specific anatomy.
16Mongoose
Mongoose was imported to the island of Hawaii in 1883 by the sugar industry to control the rat population. What they did not realize is the two animals were on opposite sleep schedules (nocturnal/diurnal) and thus mongoose was ineffective in reducing rat population.
17Crocodile
Some animals like crocodiles, alligators, and a few tortoises and turtles do not age physically, and can not die of physical old age. They die of diseases, accidents, predators, and other causes.
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18Wild pigs
As of 2011, wild pigs were one of the most destructive animals in America causing more than $400 million in damages a year in Texas alone. They can dig 3-feet deep destroying crops and even feast on lambs, calves, sea turtle eggs, and everything in between.
19Frasier
Frasier the Sensuous Lion was an 18-year-old lion (the human equivalent of 80) who was adopted by a pride of females at an animal park. He was blind, had no teeth, and could barely walk, but ended up siring 35 cubs.
20Duck
A duck is called a duck because it ducks its head under the water to feed. The animal was named after the verb and not the other way around.
