A domestic cat can sprint at about 31 miles per hour.
274
The reindeer is the only mammal that can see UV light.
17
Denmark has twice as many pigs as there are people.
66
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
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16