Animals

Monday, 13 July 2026
27 facts about turtles
27 facts about turtles
The only vertebrates so armored
The first turtles appeared on Earth at the end of the Permian about 240 million years ago. Although the first ones had neither plastron nor carapace, ...

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Northern pike
The world record pike caught so far is 140 cm long.
Petar Filipov is an angler from Bulgaria who caught what appears to be the largest (but not heaviest) documented pike at 25.3 kg (55 lb 12.4 oz).
Horseshoe crab
Horseshoe crabs are animals that are most active at night.
Amur leopard
Amur leopards are perfect hunters.
Although they would feed on hares, badgers, or mice, they prefer larger prey, even three times their ...
Central bearded dragon
Sexual dimorphism is difficult to determine.
The sexes can be distinguished by a wider cloacal opening in males, a thicker tail base, and a large ...
Arctic fox
The basis of their diet is lemmings, whose population is correlated with that of the Arctic foxes.
When food is abundantly available, foxes can give birth to 18 cubs per litter, while when the food is scarce, they may not breed at all.
Octopus
While swimming, the systemic or main heart stops working.
This causes the octopus to tire quickly and therefore the organisms prefer to move along the bottom using their arms.
Pink river dolphin
They are known for blushing.
When spooked or excited, the boto will flush pinker.
Goblin shark
Their snout is equipped with special electroreceptors called Ampullae of Lorenzini.
It has been observed, that this receptor is able to detect pressure, touch, salinity, temperature, e ...
Lemon shark
Lemon sharks are viviparous.
A Female gives birth to a living pup after 12 months of gestation.
Viper dogfish
Scientists estimate that the genus Trigonognathus originates in the Middle Eocene, some 41 million years ago.