Animals

Monday, 13 July 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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Wolf spider
They are solitary creatures.
Wolf spiders live a lonely life and are seen with other representative of their species only during mating season which occur in mid-summer.
Lemon shark
Lemon sharks are very social.
They live in organized groups with a strict hierarchy and complex social rules.
Quokkas
There are approximately 20,000 quokkas left in the world.
Their population was decimated during a wildfire in Western Australia in 2015.
Laughing kookaburra
They have pale heads and chests, with dark patches over their eyes.
True seals
Three species of seals are found in the Baltic Sea.
They are the Gray seal, the Harbor seal, and the Ringed seal. The most numerous species is the Gray ...
Viper dogfish
Scientists estimate that the genus Trigonognathus originates in the Middle Eocene, some 41 million years ago.
Basking shark
Despite their slowness, they are capable of sprinting and jumping completely out of the water.
These jumps may be an attempt to rid their bodies of ectoparasites, including sea lampreys that bite ...
Brown recluse spider
They are active from March to October.
Goblin shark
Goblin shark was discovered in 1898 in Japanese waters.
It was described by American ichthyologist David Starr Jordan, who recognized it not only as a new species but also as a new family and genus.
Vaquita
Females are slightly larger than males.
They grow up to approximately 150 centimeters long, while males usually do not exceed 140 centimeters in length.