Animals

Tuesday, 20 January 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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Zebra mussel
They fall prey to fish and waterfowl.
While birds eat adult forms, some fish species feed on larvae too. Among mammals, muskrats are one of their common predators.
Quokkas
Female quokka's body can determine whether her offspring survived the encounter with a predator.
If not, the dormant embryo clambers into her pouch, and another joey is born a month after. In the case of the first joey’s survival, the embryo disintegrates after five months.
Fleas
Fleas prefer high-humidity environments.
They are adjusted to temperature fluctuation of 21 to 30 degrees Celsius, and the humidity of no less than 70%.
Red-necked wallaby
The main diet of a red-necked wallaby consists of herbs and grasses.
In times of drought, they feed on roots, which is their primary water source.
Octopus
Octopuses can also breathe through their very thin skin.
According to research, while an octopus is resting, up to 41% of its oxygen needs can be met by cutaneous respiration.
Rice's whale
A typical lifespan of a Rice’s whale is 60 years.
Alligator snapping turtle
Its face resembles prehistoric creatures, namely dinosaurs.
Brown recluse spider
Brown recluse is often mistaken for wolf spider.
As a matter of fact, these two are not difficult to distinguish – brown recluse, apart from the violin-shaped marking, has also its legs uniformly colored.
Pink river dolphin
It is the largest of the river dolphin species.
A full-grown dolphin measures up to 2,7 meters long and weighs approximately 180 kg.
Guinea pig
The guinea pig, compared to other rodents, is a fairly large animal.
It has a stocky body, a short neck, a short snout, and very short limbs; no tail, or a vestigial tai ...