Animals

Monday, 9 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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Javan leopard
It is solitary.
It forms groups only for mating purposes.
Bonobo
The herd structure of bonobo is largely characterized by egalitarianism (gender equality) and the dominance of sexual interaction between individuals.
Hierarchy in the bonobo herd is not as strongly marked as among other primates. Frans de Waal, a pri ...
Crested gecko
Their toes and tip of tail are covered in small hair called setae.
It helps them climb various surfaces, even smooth, vertical ones.
Spotted hyena
Spotted hyenas are social animals living in clans.
There are usually 15 to 80 individuals in a clan. Clans of spotted hyenas are more tightly knit and ...
Glass frogs
Glass frogs are active during night.
Those nocturnal amphibians start to seek food as soon as it gets dark and are active during whole night. Mating also occurs at night.
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 ...
Slow worm lizard
Those lizards usually prey on earthworms, snails, or low-mobility insect larvae.
They are unable to hunt faster-moving animals due to their clumsily and slow movement.  
Glass frogs
Most of them are small with adults rarely exceeding 30 mm (1,2 in) body length.
Some species on the other hand can grow much larger up to 80 mm (3 in).
Syrian brown bear
The fur of the Syrian bear is usually light brown, straw-colored.
The hair at the withers is longer, with a grey-brown base, and is often a different shade than the r ...