Animals

Tuesday, 12 May 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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Central bearded dragon
They may slightly change their skin color for communication purposes.
They do this by changing the pigment present in their skin in organelles called chromatophores.
Spotted hyena
The spotted hyena was the first described in 1777 by German naturalist Johann Christian Polycarp Erxleben.
It was once thought that the mottled hyena’s name Crocuta came from the Latin word “crocutus,” which ...
Northern pike
The mortality of fry is affected by high iron concentration and large temperature fluctuations.
Most litters usually grow up in clear and stable waters.
Gila monster
Although its bite is painful, there are no reported deaths of humans.
Malaysian trumpet snail
Red-rimmed melania can start reproducing at a size of 5 millimeters in length.
Clownfish
Clownfish are most often traded marine fish.
Most of the global trade comes from the wild, but things are changing over time. Clownfish are easy breading in captivity so from year to year less of them are captured from the oceans.
Crustacean
Their body can consist of two or three parts (tagm) and in some cases, it is simply impossible to distinguish the individual parts.
Some crustaceans have a head torso and abdomen, but there are some in which it is impossible to distinguish these elements. In this case, the structure of their body is divided into head and body.
Aye-aye
Their thinnest finger has a ball-and-socket metacarpophalangeal joint, which makes them unique in the animal world.
They also possess a sixth digit, called a pseudo-thumb.
Stingrays
Female stingrays birth up to 6 pups a year.
Hawksbill sea turtle
The earliest fossils date back to 100–120 million years ago.