Animals

Friday, 25 September 2026
15 facts about fleas
15 facts about fleas
External parasites
Fleas are one of the most hated insects by pet owners. Once they find their way onto a dog or a cat, they are very hard to remove. Reproducing at a ve ...

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Crustacean
The first crustaceans appeared on Earth in the Middle Cambrian more than 500 million years ago.
Crabs and shrimps did not appear until the Jurassic (201 - 145 million years ago) and lobsters appeared in the Cretaceous (145 - 66 million years ago).
Narwhal
They live in Arctic waters, mostly off the coast of Greenland.
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.
Leopard geckos
Leopard gecko is the number one pet lizard.
It is the most popular choice for reptile lovers in the United Kingdom. The second most popular worldwide is the crested gecko, also known as the eyelash gecko.
Cabbage White butterfly
They are active during the day.
Adult butterflies spend days looking for a nectar of a plant. They tend to feed on flower species they're already familiar with.
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 ...
Javan leopard
It is one of the leopard subspecies.
There are eight subspecies of leopards in total: African, Indian, Javan, Arabian, Amur, Indochinese, Sri Lankan, and Panthera pardus tulliana (native to Turkey and the Iranian Plateau).
Aye-aye
They share 93% of their DNA with humans.
It is common for all primates.
Portuguese man-of-war
They are siphonophores, which means they are, in fact, living colonies of individual zooids, working as a unit.
Hawksbill sea turtle
They are solitary.
They group solely for mating purposes.