Animals

Monday, 3 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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Red panda
They are listed as Endangered by the IUCN Red List.
They suffer from habitat loss, climate change, and excessive poaching. Currently, their population in the wild is estimated at no more than 10,000 individuals.
Arabian oryx
Oryxes are able to survive in very harsh conditions.
They can endure prolonged droughts, very high temperatures, and strong winds. They can survive droug ...
Tasmanian devil
Males are larger than females.
The male's body length is about 90 cm and weighs 8 kg, while females average 81 cm and weigh 6 kg.
Amur leopard
Despite the efforts to preserve the species, they are endangered by inbreeding.
There are so few Amur leopards living in the wild, the small genetic diversity in the gene pool may lead to inbreeding depression.
Narwhal
The average life expectancy of a narwhal is 30 - 40 years.
Octopus
The oldest known octopus is Pohlsepia, which lived 296 million years ago.
Due to the soft body of these organisms, there are not many octopus fossils found.
Portuguese man-of-war
They can sting even once the tentacle is severed, or while washed ashore.
Lemon shark
One female breed once a year.
The gestation lasts for 12 months, and after the female gives birth, she takes a year-long break between the litters.
Northern pike
They reach sexual maturity at the age of two years.
Young specimens - one year old - are also able to spawn, but in their case, the quantity of eggs laid is insignificant.
Spiders
Some spiders use environmental vibrations to locate prey.
This is especially popular among web-weaving spiders. Some species can also locate prey by detecting changes in air pressure.