Animals

Saturday, 30 May 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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Central bearded dragon
They do not make any sounds, except hisses, which are used to scare away.
They use color changes, movements, and gestures to communicate.
Octopus
Octopuses have the so-called siphon, i.e. the organ responsible for gas exchange, removal of metabolic waste, and secretion of ink.
Tasmanian devil
They are active at dusk and at night.
They go out foraging then, seeking both live prey and carrion. They often eat in groups of 2 to 5 individuals. They spend their days in bushes or burrows.
Spiders
The excretory system of spiders is composed of iliac glands and Malpighian tubules.
They capture harmful metabolites from the hemolymph and direct them to the cloaca, from where they escape through the anus.
Red panda
Female red pandas are fertile for two days each year.
It is both common among red pandas and giant pandas.
True seals
Although their fins give them speed in the water, seals move slowly and clumsily in the terrestrial environment.
The rear flipper is attached to the pelvic rim so that seals cannot point it downward and use it for walking.
Lemon shark
Its eyesight is poor, thus it relies on electroreceptors called ampullae of Lorenzini.
However, their eyes possess both rods and cones, thus they are capable of seeing shapes and colors.
Otters
Their fur is waterproof, although not covered in a fatty layer.
Saola
Saola are mainly solitary.
They can, however, form herds of up to 7 individuals.
Octopus
From ancient times, octopuses were considered sea monsters. They appear in Norse mythology as the Kraken or Gorgons in Ancient Greece.