Animals

Tuesday, 23 December 2025
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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Sea otter
They are great divers and are capable of going for up to five minutes without breathing.
Sea otters usually do not need to dive for that long, as they live in shallow water down to 23 m (75 ft).
Earthworms
They belong to invertebrates and the hydroskeleton is responsible for supporting muscles in their bodies.
This form of stabilization relies on the production of adequate hydrostatic pressure, which, by pushing against the cell walls, allows muscles to be supported.
Pink river dolphin
Like all dolphins, the pink river dolphin sleeps with one eye open.
When the left half of the brain sleeps, the right eye will be closed, and vice versa.
Tigers
Females reach sexual maturity within the first three to four years, males a year later.
A female gives birth to three to four cubs after an average of 104-106 days of gestation.
Hippopotamus
Hippos reach an average of 3.5 - 5 meters in length and 1.5 meters in height at the withers.
Their head can weigh up to 225 kg. Hippos can open their mouths to a width of about 1 meter, and the length of their teeth reaches a maximum of 30 cm.
Luna moth
Adult moths escape the pupal case by splitting it and pushing the top upwards.
Then it cuts its way from the cocoon with serrated chitinous spurs located on the thorax near the forewings bases. Cocoon opening typically occurs in the morning.
Axolotl
They can have organs transplanted from other individuals.
There are known cases when eyes or parts of the brain were transplanted from another axolotl, regenerating and gaining full functionality.
Ball python
Thanks to breeding in captivity, there are over 7,500 morphs of the ball python.
Luna moth
Luna moth cocoon is single-layered and wrapped in leaves.
Pupa is attached to a silk pad at the rear of a cocoon with a hook-shaped protuberance called cremaster.
Kiwi bird
Rowi is among the rarest of kiwi birds, with approximately 450 individuals alive today.