Animals

Saturday, 28 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
The disk can be round or pentagonal.
Depending on the species, its size may range from 3 mm to 15 cm in diameter.
Great spotted woodpecker
The nesting season begins in April and lasts until June.
Courtship begins as early as December. They breed one brood per year, the eggs being laid in the first weeks of May. A female can lay 5 to 7 white eggs, 26x19 mm in size.
Snails
The most important sense of land snails is smell.
The olfactory organs are located at the tips of the snail's antennae. Marine species, on the other hand, use chemoreceptors more frequently.
Northern pike
They are predatory and often hunt from concealment.
Pike (especially the smaller ones) hide in the lush thickets of water bodies and wait for incoming p ...
Tawny frogmouth
Its Latin name is Podargus strigoides and it’s a member of Podargidae family.
There are three subspecies of this bird: P. s. brachypterus, P. s. phalaenoides and P. s. strigoides.
Brittle stars
They can regenerate lost arms as long as they have at least one of them.
They can shed an arm anytime, like octopuses. This mechanism is used to distract the potential predator and gives brittle star an opportunity to edge away from danger.
Black Caiman
Although they are listed as least concerned by the IUCN Red List, black caimans once were hunted to the brink of extinction.
Between the 1950s and 1970s, they were falling victim to excessive poaching because of the unique an ...
Sperm whale
Sperm whales are the deepest-diving marine mammals.
They usually dive to depths of 300 to 800 meters, but sometimes it’s from 1 to 2 kilometers or even ...
Sperm whale
In the spermaceti’s head, in special chambers between the skull bones and subcutaneous sacs, there is an oily substance called spermaceti.
It is a semi-liquid substance consisting mainly of palmitoyl esters and cetyl alcohol, produced in a ...
Jellyfish
Jellyfish are rich in nutrients, antioxidants, and protein.
It is also a great source of collagen.