Animals

Sunday, 31 May 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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Saola
They are distinguished by two, 50 centimeters long, sharp-edged parallel horns.
Horns are present in both males and females.
Lemon shark
Lemon sharks are sexually dimorphic.
Females are slightly larger than males, but their weight does not differ.
Common Surinam toad
The Common Surinam toad feeds on all small aquatic organisms.
It hunts primarily invertebrates, especially insects and their larvae, which it digs out of the silt with its thin fingers and rapidly places in its mouth.
Leeches
The body color of leeches is shades of brown and green with a hint of black.
Toco toucan
Toco toucans are considered a fairly common species.
The International Union for Conservation of Nature has recognized them as a species of least concern (LC), continuously since 1988.
Horseshoe crab
An adult animal weighs up to 4.5 kilograms.
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.
Leeches
The first cases of hirudotherapy were recorded in Ancient Egypt.
They are known from wall paintings dating back to the 18th Dynasty (1550-1292 BC). The medical use o ...
French Bulldog
Dogs are slightly bigger and heavier than bitches.
They grow up to 27–35 centimeters and weigh an average of 9 to 14 kg. Bitches reach 24 to 32 centimeters in length and weigh an average of 8—13 kg.
Platypus
In reserves, the platypus can be seen in special aquariums, as of 2013 only in Australia.