Animals

Wednesday, 19 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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Sperm whale
The world’s first sperm whale reserve will be established.
It will be established off the western coast of the Caribbean island of Dominica in the part of the ...
Horseshoe crab
They are caught and used as bait to catch eels.
Scientists have been able to isolate a substance from the horseshoe crabs organism that is responsible for attracting eels, but it has not been synthesised yet.
Mallard
During the breeding season, the coloration of the male undergoes spectacular changes.
The head takes on an iridescent green color, which is separated from the rest of the brown-steel bod ...
Fleas
Adult flea reaches an average of 3 millimeters in length.
Mallard
They produce one brood a year, the female lays 8 to 13 eggs.
They are light cream and measure 58 x 32 mm. They are laid every other day and the female begins to ...
European pine marten
They live a solitary life unless they raise offspring.
They are not monogamous and bond in pairs for only one mating season. If a male's territory overlaps ...
Common kingfisher
They feed mainly on fish, which they catch by diving vertically into a river or other body of water.
They also eat aquatic insects, frogs, and crayfish. They catch their prey by flying low over the water, at a speed of up to 190 km/h.
Adder
Adults feed on insects, lizard frogs, small mammals, and bird chicks.
Young adders mostly eat insects, snails, earthworms, young amphibians and reptiles. The viper attacks its prey by injecting its venom and then eats the dead one.
Cane toad
Despite their chemical warfare, cane toads have many predators.
They are being hunted by broad-snouted caimans, eels, killifish, rock flagtails, bullet ants, and some species of catfish and ibis.
Jellyfish
There are several dangerous jellyfish species.
They mostly occur in northern Australia, and in the Indo-Pacific region. The most venomous is the Australian box jellyfish, whose sting can lead to paralysis, cardiac arrest, or death.