Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
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When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Alligators can live up to 100 years.
337
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Denmark has twice as many pigs as there are people.
66