Science
Animals and nature
How animals and plants live, move and survive, from the oldest creatures ever found to the largest alive today.
Fact files
All topics ›Goldfish
at least 3 months
How long goldfish can keep a memory
The coelacanth
66 million years
Age of the youngest known fossil coelacanth
The Arctic tern
70,900 km
Average yearly round trip of 11 tracked terns in a 2010 study (about 44,000 miles)
Domestic cats
12 frames per second
Frame rate of Marey's falling-cat photographs, presented in 1894
Camels
36 kg
Most fat a hump can hold (80 pounds)
The Greenland shark
392 years
Estimated age of the largest shark in the 2016 study, give or take 120
