Animals

Sunday, 26 April 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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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 ...
Tiger sharks
Apart from food with nutritional value, tiger sharks are known for consuming manmade objects.
They devour trash dumped into the ocean, such as tires, food cans, and jackets.
Blue-Tongued Lizard
They may be also run over by car, motorcycle or bike as they often lay on the road while basking in the sun.
American mink
Minks are a great threat, especially to seabirds that live in colonies, on islands several kilometers away from the mainland.
A mink can swim to an island and kill up to a hundred chicks in one night. A single individual can thus decimate a colony of several thousand birds.
Quokkas
Quokkas are listed as vulnerable on the IUCN Red List.
Their population systematically declines, mainly due to the loss of habitat as a result of logging. ...
Wombat
Wombats are the only species in the world that defecates in the form of cubes.
Many theories have arisen as to what purpose this serves. Some claim that this allows wombats to mar ...
Crustacean
Most crustaceans breathe using gills, however, some species have developed primitive lungs.
Lungs are found in crabs Chasmagnathus granulatus and hermit crabs Coenobita and Birgus. They are ma ...
Blue-Tongued Lizard
They fall prey to many animals.
Large birds like kookaburras and falcons, snakes, dingoes, foxes, feral dogs and cats are most common enemies of blue-tongued lizards.
Arctic fox
They are also scavengers.
When they lack food, they feed on carrion. Arctic fox usually finds animals left by other, more dangerous predators, such as wolves or bears.
Red-necked wallaby
The red-necked wallaby is a macropod marsupial.
It is a medium-sized mammal.