Animals

Sunday, 9 August 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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Jellyfish
There is one species of jellyfish considered biologically immortal.
The Turritopsis dohrnii possess an extraordinary skill of reversing their current stage of life. Bas ...
Dodo bird
The dodo bird is an extinct flightless bird that lived on the island of Mauritius, in the Indian Ocean.
It was endemic there, as was its cousin the solitary drontium (Pezophaps solitaria) from the neighbo ...
Dolphins
They help their comrades.
Dolphins are known for caring for injured and sick individuals. When necessary, they transport injured colleagues to the surface so they can get some air.
Luna moth
Male luna moths can sense female pheromones at a distance of few kilometers.
Specific pheromone developed by luna moths does not affect any other insect species. Mating occurs with the first male encountered by a female.
Brazilian wandering spiders
The most common banana worm is Phoneutria boliviensis.
The body length of this species ranges from 30 to 40 mm (females are larger), and the leg span can r ...
Spinosaurus
It lived near the shallow waters or in them.
Recent discoveries suggest that Spinosaur was too buoyant to submerge, so it had to choose environments with ground under their feet.
Hammerhead sharks
Juvenile scalloped hammerheads can get a tan.
Since they swim close to the water's surface, they are exposed to sun rays, and, as a result, turn from light beige to brown.
Horseshoe crab
Horseshoe crabs breathe using book gills.
This organ is made of gills covered with large surface area for absorbing oxygen. It's located in the rear part of the animal body between the legs and the telson.
Octopus
The protein hemocyanin is responsible for the blue color of octopus blood.
Axolotl
Axolotls are carnivorous.
They feed on mollusks, insects, arthropods, and small fish. They locate their prey using their sense of smell, and since having vestigial teeth, their primary feeding method is suctioning.