Animals

Thursday, 5 February 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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Bird of Paradise
Some species have unusual black feathers, which are considered the darkest material found in nature.
They are so dark that they almost completely absorb light (99.95%). This feather blackness is not fa ...
Goblin shark
Despite their rarity, goblin sharks are not endangered.
IUCN classifies those fish as a least concern (LC). Because they are bottom-dwelling creatures, the ...
Spiders
Digestion takes place both externally and internally. They only eat liquid food.
First, digestive juices are injected into the victim's body, which dissolves the victim's tissues, a ...
European pine marten
They are most active in the evening and at night.
Sometimes martens can be seen during the day but it's not typical bahavior for them.
Hedgehogs
One of the biggest threats to the lives of hedgehogs is automobile traffic.
Various studies suggest between 50.000 and 100.000 hedgehogs die each year on roads.
True seals
Ringed seals are the smallest of all species.
They inhabit the polar zones in the Arctic Sea, the coasts of Greenland, and Spitsbergen. An isolate ...
Turtles
The plastron is also made of bone tissue, specifically the modified clavicle and abdominal ribs.
It is formed by exactly nine bones, of which the two anterior bones are precisely the transformed clavicles.
Northern pike
Larger animals tend to follow their prey, while juveniles prefer to attack from hiding.
Adults are found at depths of several meters, following schools of other fish. In the Baltic Sea, the pike has been reported to follow herring schools.
Octopus
From ancient times, octopuses were considered sea monsters. They appear in Norse mythology as the Kraken or Gorgons in Ancient Greece.
Red panda
They are mostly solitary and use two techniques to mark their territory and alert females to their presence.
They primarily use scent glands located at the base of their tails and on their feet, but can also leave piles of excrement that attract females during mating season.