Animals

Thursday, 12 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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Brittle stars
Their lifespan varies between species.
Most brittle stars live up to 5 years, but species living much longer (even 30 years) can also be found.
American robin
They are very territorial birds.
Despite their competitive behavior, when faced by predator they can cooperate to fend it off.
Coyote
It has an intermediate appearance between a wolf and a jackal.
It is smaller than the gray wolf (Canis lupus) and slightly smaller than the eastern wolf (Canis lyc ...
Great spotted woodpecker
They drink the sap of birch trees.
In spring, woodpeckers pierce the bark of birch trees and drink the sap that flows from the trunk.
Arctic fox
Although not as good as the red fox or dog, their hearing is good.
They can hear in the 125 – 16,000 Hz range. They can hear lemmings digging at a depth of 10 – 15 centimeters.
Okapi
Both okapi and giraffes have small horns on their heads.
Housefly
Flies are a transmission vector for over 100 pathogens.
Because they can travel up to several miles from their breeding sites, they spread various diseases ...
Hawksbill sea turtle
Hawksbills are listed as Critically Endangered by the UICN Red List.
They face several threats to survival, the most threatening being the wildlife trade. Their unique s ...
American mink
Minks were imported to Poland in 1953 for breeding purposes.
Many of them managed to escape from the farms and were released by various environmental organizatio ...
Tasmanian devil
They inhabit only Tasmania and Robbins Island, to which the passage from Tasmania is exposed at low tide.
In the Pleistocene, Tasmanian devils still inhabited Australia but became extinct about 3000 years a ...