Animals

Friday, 13 November 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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Siberian roe deer
Bucks shed their antlers in the fall or early winter.
The antlers begin to regrow right after they are shed.
Central bearded dragon
Sexual dimorphism is difficult to determine.
The sexes can be distinguished by a wider cloacal opening in males, a thicker tail base, and a large ...
Glass frogs
Glass frogs are active during night.
Those nocturnal amphibians start to seek food as soon as it gets dark and are active during whole night. Mating also occurs at night.
Javan hawk-eagle
It has a vibrant yellow iris.
Young Javan hawk-eagles have blue-grayish eyes that change color as they mature.
Amur leopard
Amur leopard is the only leopard species adjusted to a cold climate.
Fossa
Young fossas became fully independent after about a year.
Corn snake
The mating season of corn snakes lasts from March to May.
Common cuckoo
A peculiarity of the cuckoo is its brood parasitism. They lay eggs in the nests of other birds.
The Common Cuckoo has a habit of laying its eggs in other species nests, so an unsuspecting female h ...
Fleas
In the Middle Ages, fleas were associated with Black Death.
They carried a bacterium called Yersinia pestis, which they transferred onto humans once the populat ...
Southern cassowary
Cassowaries are closely related to Kiwi birds.
They share a common ancestor that lived about 40 million years ago.