Animals

Thursday, 11 December 2025
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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Hedgehogs
Their back and sides are covered with spikes.
Spikes are transformed hair, sturdily attached to their bodies. They are neither poisonous nor particularly stingy.
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.
Snails
The exact number of snail species is unknown.
According to estimates, there are about 85.000 of them, but the actual number is between 50.000 and 120.000 species. So far, at least 15.000 extinct species have been identified in the fossil record.
Alligator snapping turtle
The alligator snapping turtle belongs to the family Chelydridae.
Sperm whale
The most famous, although fictional, sperm whale in pop culture is Herman Melville’s Moby Dick.
It was the primary antagonist in the novel written in 1851.
Manatees
Females give birth to one young after a year of gestation every three to five years.
Young measures one meter, and weighs approximately 30 kilograms. It can feed on plant food at birth.
Giant panda
In addition to a plant-based diet, some zoos provide pandas with specially prepared treats composed of animal ingredients.
These include fish, meat, or eggs.
Pterodactyls
Pterodactyls spanned from the Late Jurassic (163,5 million years ago) through the Late Cretaceous (66 million years ago).
True seals
Seals breathe using their lungs but are adapted to holding their breath for long periods. Some species can stay submerged for up to 40 minutes.
It allows them to dive to considerable depths and stay underwater for long periods. When diving, the ...
Leeches
Leeches do not have a respiratory system.
They absorb oxygen with their entire body surface.