Animals

Tuesday, 15 September 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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Arabian oryx
The first oryxes were released into the wild in Oman in 1982, and the population peaked at 450 in 1994.
The Arabian oryx has been reintroduced in Oman, Israel, the United Arab Emirates, Syria, Jordan, Qat ...
Pink river dolphin
There are several hypotheses on why the Amazon river dolphins are pink.
One states their pink hue developed as a result of constant fighting with each other since their sca ...
Hippopotamus
Thanks to drug lord Pablo Escobar, hippos have also found their way to Colombia.
The animals were brought to Escobar's private zoo at the Hacienda Napoles ranch in the 1980s. Initia ...
Toco toucan
The Toco Toucan became famous as an advertising symbol for the Guinness Brewery.
Graphic artist John Gilroy's illustration of a toucan balancing on a glass of the brewery's product was first used in an advertisement in 1935.
Ocean sunfish
The newly hatched sunfish is tiny, measuring about 2,5 mm (0,1 in).
If they are lucky enough to survive and develop into fry, they need only 15 months to achieve a size of an adult.  To increase the chance of survival, juveniles swim in schools.
Brown recluse spider
Their eyes are arranged in dyads and are equal in size.
Other spiders have their eyes arranged in rows of four.
American flamingo
At least one parent constantly watches the eggs.
An incubation period lasts 27 to 31 days. The hatching process takes 24 to 36 hours—the young break through the eggshell with a unique “tooth” that falls off soon after hatching.
Octopus
Octopuses are dioecious.
Wolf spider
Not all of them live in burrows.
Of course some wolf spider species dig themselves a burrow but there are many species of this spider ...
Spiders
The chelicerae is composed of two or three segments.
They end with fangs, which the spider uses to tear open the body of its prey and also to defend itself. In many species, they end with the mouth of venom glands.