Animals

Sunday, 21 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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Hammerhead sharks
Their length ranges from 0.9 to 6.1 meters, and their weight ranges from 3 up to 580 kilograms.
The biggest of the genus is the great hammerhead. The record holder is a female caught in 2006 who weighed almost 581 kilograms. The reason for her unusual weight, however, was pregnancy.
Great grey shrike
Great grey shrikes are carnivores.
They primarily feed on rodents, like lemmings, but also hunt for newts, salamanders, bats, fish, fro ...
Laughing kookaburra
Apart from the distinctive laughter, laughing kookaburras have a variety of different sounds.
It all depends on the occasion – the range of calls vary whether its purpose is to show aggression, find other family member or raise an alarm.
Cane toad
It is considered an invasive species in over 20 countries.
Many examples of the cane toad moving into a new area lead to a decline in that territory's biodiversity.
Hummingbirds
There are only two pigments in hummingbird feathers - black and brown.
They owe their colorful appearance to their feathers' ability to split light into primary colors.
European wildcat
In Europe, the wildcat is protected under the Bern Convention.
They are being hunted if mistaken for domestic cats. They are also endangered by crossbreeding with them.
Octopus
The oldest known octopus is Pohlsepia, which lived 296 million years ago.
Due to the soft body of these organisms, there are not many octopus fossils found.
Zebra mussel
They are medium size clams, which adult forms can grow up to 5,1 cm.
Average specimen dimensions are between 25 to 40 mm in length, 13 to 18 mm in height and 17 to 23 mm in width.
Komodo dragon
The Komodo dragon (Varanus komodoensis) is the largest modern living lizard.
It belongs to the family Varanidae, a group of carnivorous (Varanus olivaceus) and frugivorous (Vara ...
Pterodactyls
The pterosaur clade consists of many genera, including Pterodactylus and Pteranodon, which are the most commonly depicted in modern culture.
Paleontologists claim there are more than 130 valid pterosaur genera, which fossils were found in Asia, Europe, and the Americas.