Animals

Tuesday, 11 August 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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Brazilian wandering spiders
The risk of death from the bite of these spiders is low, especially outside South America.
Phoneutria boliviensis is the most commonly detected Brazilian cottonmouth in transport, and no deaths from bites by this species have been documented to date.
Spotted hyena
Spotted hyenas have a rich repertoire of vocal communication.
The most common sound is a loud “shout” heard over a radius of several kilometers. This sound is use ...
Earthworms
The body of these animals is composed of visibly separated segments with 4 pairs of bristles emerging from them.
Wolf spider
They are excellent predators. They stalk their victims and pounce on them.
After catching a prey they often subdue it with venom.
Brittle stars
Despite they resemble starfish, they are different organisms.
Their body is symmetrical, divided into five segments. The Center of an ophiuroid most often resembl ...
Tigers
Tigers can run as fast as 60 km/h.
Housefly
The thorax of a housefly is dark gray and covered with darker stripes.
The underside of the body is lighter than the top.
Gila monster
Its skin is black, with a pink, orange, or yellow pattern.
Hippopotamus
These animals are becoming increasingly scarce in the world.
In 2006, hippos were classified as a species at risk of extinction in the IUCN Red List of Threatene ...
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).