Animals

Tuesday, 7 April 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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Grey heron
Young herons become fledglings approximately 7-8 weeks after hatching, although they do not become fully independent yet.
They gain full independence around 10 weeks of age. Only about 30% of the young survive the first ye ...
Arabian oryx
The Arabian oryx has the ability to detect rain and follow its direction.
Oryxes have an uncanny ability to detect moisture. If they detect that there is a reservoir nearby, ...
Southern cassowary
Juvenile cassowaries do not have a helmet.
Bird's casque starts to develop after the first year of life.
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.
Grey heron
They are carnivores, most often feeding on what they find near or directly in a body of water.
Their diet consists of invertebrates, fish, amphibians, snakes, small birds, and mammals. It happens that the heron hunts small ducks or other birds with a body size of up to 25 cm.
Sea lamprey
They migrate upstream from bodies of water to spawn.
Fish that behave in this way are called anadromous. When they reach their destination, the male begi ...
Red panda
Despite its name, it is not related to the giant panda.
A giant panda is a species of bear. The name panda was given to the red panda first, as the giant panda was described approximately 50 years later.
Spiders
The sizes of spiders vary significantly depending on the species.
The smallest species is Patu digua from Colombia, whose body length does not exceed 0.37 mm. The lar ...
Great grey shrike
Their beaks are short, black, and hooked like a bird of prey.
Zebra mussel
Their mussel is triangle-shaped, beige with dark brown stripes.
In some populations, albino forms occur, sometimes in great numbers.