It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
A scorpion can hold its breath for up to 6 days.
19
Cats and dogs can hear ultrasound.
350
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Domestic pigs average a top speed of about 11 miles per hour.
182
Tigers can see 6 times better at night than humans.
305