A scorpion can hold its breath for up to 6 days.
19
Denmark has twice as many pigs as there are people.
66
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
18