Animals

Tuesday, 2 June 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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Aye-aye
Aye-ayes are listed as endangered.
Their population decreases mainly due to deforestation and excessive hunting.
Black Caiman
Its bite can shatter a turtle’s shell.
The force of black caiman bite has not yet been measured, however.
Hippopotamus
Hippos are seen as very aggressive animals.
They show aggression towards crocodiles living in the same water bodies, especially when young hippo ...
Grey heron
Both parents incubate the eggs.
About 25 days pass from laying the egg to hatching. After the young hatch, the male and female are a ...
American mink
Minks were imported to Poland in 1953 for breeding purposes.
Many of them managed to escape from the farms and were released by various environmental organizatio ...
Mallard
It is an omnivorous species, very flexible in terms of food choices.
The main part of the mallard's diet consists of snails, beetles, dragonflies and flies, earthworms, ...
Red panda
There are two subspecies of the red panda–Himalayan red panda, and Chinese red panda.
The two subspecies separated some 250,000 years ago. Scientists suggest that they should be treated as separate species.
Basking shark
Despite their enormous size, basking sharks are not a threat to humans.
They allow divers to approach them at close range. However, humans do pose a threat to basking shark ...
Brazilian wandering spiders
Under the name Brazilian wandering spider is a genus of spiders that live in South and Central America.
The genus currently includes nine species of spiders. 
Crustacean
Crustaceans are arthropods that include lobsters, crabs, crayfish, shrimp, krill, centipedes, and whiskers, among others.
To date, about 67.000 species of these animals have been described.