Cats and dogs can hear ultrasound.
350
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
The Basenji dog is the only dog that is not able to bark.
4
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
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