Animals

Monday, 13 April 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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Hawksbill sea turtle
It is one of the smallest sea turtle species.
An adult hawksbill typically reaches 1 meter in length and weighs approximately 80 kg.
Red-necked wallaby
Their long ears can turn 180 degrees independently.
Spiders
The vast majority of spiders reproduce sexually. Semen is not introduced into the female's body through the genitals, but stored in special containers located on the pedipalps.
Only after these containers are filled with sperm does the male set out to look for a partner. Durin ...
Pink river dolphin
Although solitary, they seek human attention.
They are friendly toward humans and are said to push them back ashore when they go too far in the river.
Hippopotamus
"Cocaine hippos" have already spread about 100 kilometers from their original home.
Each season, their number in the Magdalena River basin grows more and more. Since residents of Medel ...
Glass frogs
All species of glass frogs have their abdominal skin transparent and translucent which makes their internal organs visible.
Portuguese man-of-war
They have natural predators.
The two main ones are the violet sea snail and sea slugs from the genus Glaucus. They also fell prey to loggerhead sea turtles and ocean sunfish.
Turtles
Turtle carapace is actually transformed ribs. They are the only vertebrates possessing such bony armor.
The armor consists of a convex carapace located on top and a flat plastron that covers the animal from below.
Zebra mussel
They reproduce sexually.
Fertilization takes place in water. The number of eggs produced by a female may reach one million. Usually, in every cycle, from 30 to 40 thousand eggs can be produced.
Housefly
The housefly larva goes through three stages of development.
At the end of the third stage, the larvae crawl to a dry, cool place and develop into pupae. The pup ...