Animals

Tuesday, 14 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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Quokkas
Quokkas are adapted for arboreal locomotion.
Initially, their musculoskeletal system was adapted for terrestrial bipedal saltation, common among marsupials. They are capable of climbing trees up to 1,5 meters.
Axolotl
Despite a drastic decline in the wild population, axolotls are unlikely to become extinct.
They are popular additions to house aquariums, where breeding is relatively easy – all that is neede ...
Aye-aye
A gestation period lasts for five months, after which one infant is born.
An infant does not leave the nest for a period of two months and stays with its mother for almost two years. It leaves once is ready to establish its own territory.
Octopus
The equivalent of the kidneys in octopuses is the so-called nephridia.
Crustacean
Crayfish can regenerate lost legs.
However, they never regrow to their original size.
Crustacean
A characteristic feature of crustaceans is two pairs of feelers, and three pairs of mouth legs, and all but the first pair of feelers are two-branched (they separate into exopodite and endopodite).
In comparison, arachnids have no sensilla at all, and insects only have one pair.
Dolphins
Dolphin meat is eaten in some areas of Japan.
They are hunted aggressively and killed with harpoons. Despite the relatively high mercury content i ...
Arctic fox
It is the only land mammal found in Iceland.
It arrived in the area at the end of the last ice age, migrating over the frozen sea.
Hyacinth macaw
The Hyacinth Macaw (Anodorhynchus hyacinthinus) is a parrot native to central and eastern South America.
It is currently found in three main areas of the continent: northern Brazil, eastern Bolivia, and no ...
Sloth
The hair of the three-toed sloth grows in ventral to dorsal direction, undoubtedly due to the “hanging” lifestyle and the climate in which it lives.
Sloths develop bacteria and algae in their fur, which gives it its greenish color. The greenish colo ...