Animals

Sunday, 7 June 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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Amur leopard
Amur leopard is the only leopard species adjusted to a cold climate.
Bull snake
They are classified as "Least concern" by the IUCN, but their population is declining.
Major cause is the disappearance of grasslands that are crucial for their reproduction. Another concern for their survival are roadkills.
American flamingo
Flamingos feed their young with crop milk, which is red.
It is produced in the upper digestive tract with prolactin hormone. Its composition is similar to ma ...
Portuguese man-of-war
They are venomous.
The venom fills their thin tendrils and is used on fish and small creatures lured by the movement of their tentacles.
Basking shark
The basking shark is the second largest known fish in the world after the whale shark.
Along with the whale shark (Rhinocodon typus) and the megamouth shark (Megachasma pelagios), it is a plankton-eating species.
Crested gecko
Crested geckos do not have external ears.
They can hear, however, and are extremely sensitive to loud sounds.
Dolphins
5 species of dolphins live in rivers.
For example, the pink river dolphin is a representative of dolphins living in the waters of the Amazon River and Orinoco  River.
Central bearded dragon
Sexual dimorphism is difficult to determine.
The sexes can be distinguished by a wider cloacal opening in males, a thicker tail base, and a large ...
Luna moth
Males emerge from cocoons a few days earlier than females.
Black Caiman
Juvenile black caimans have yellow stripes and spots.
Although some of the bandings remain until adulthood, most fade.