Animals

Monday, 12 January 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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Hammerhead sharks
Juvenile scalloped hammerheads can get a tan.
Since they swim close to the water's surface, they are exposed to sun rays, and, as a result, turn from light beige to brown.
Bird of Paradise
The birds of paradise are very diverse, but characteristic of them is the extremely colorful plumage and the presence of very ornamental feathers, sometimes on the head and sometimes in the tail.
There is strong sexual dimorphism in birds of paradise - females are less colorful, with grays domin ...
Shoebill
They are food specialists.
They hunt only one type of animal, lungfish, which are between 15 and 50 cm long and weigh about 500 ...
European pine marten
The marten's gestation period can last up to 9 months, with fetal development occurring mostly in the second half.
Between 2 and 7 young (4 on average) are born per litter. The average weight of a newborn marten is ...
Turtles
They are among the longest-lived vertebrates.
The record holders are elephant tortoises, which live more than 100 years, and among them is a torto ...
Saola
In Vietnamese, Saola means “spindle horns.”
Horseshoe crab
They feed on clams, polychaetes, small fish and decayed organic debris.
The mouth opening is located on the underside of the body between the legs. They move the food into the mouth with chelicerae—a pair of small appendages.
Malaysian trumpet snail
They reach an average length of 2,5 centimeters.
Zebra mussel
They are medium size clams, which adult forms can grow up to 5,1 cm.
Average specimen dimensions are between 25 to 40 mm in length, 13 to 18 mm in height and 17 to 23 mm in width.
Stingrays
Stingrays are related to sharks.
Both sharks and stingrays belong to the Elasmobranchii subclass of Chondrichthyes.