Animals

Wednesday, 7 October 2026
27 facts about turtles
27 facts about turtles
The only vertebrates so armored
The first turtles appeared on Earth at the end of the Permian about 240 million years ago. Although the first ones had neither plastron nor carapace, ...

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Otters
Most of the otter species sleep on land, except for the sea otters that sleep floating in groups called rafts.
While sleeping, they entangle themselves in kelp to avoid floating away.
Housefly
Because of their ectothermic nature, they are most active in warm conditions.
The search for warmth explains why flies so eagerly seek shelter in human dwellings. 12 generations may hatch in temperate regions per year; in the tropics and subtropics, more than 20.
Black-headed python
They reach sexual maturity at the age of 4 to 5 years.
Salamanders
Juveniles
Newly hatched salamander is in a larval form that needs to metamorphose before becoming an adult for ...
Leopard geckos
It reaches maturity within 18 – 24 months.
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 ...
Tigers
The most commonly recognized is the division into six subspecies, although some researchers suggest that there are only two–island, and continental.
A common division distinguishes the subspecies: Bengal tiger Siberian tiger Indochinese tiger Sumat ...
Malaysian trumpet snail
They reproduce both sexually and through parthenogenesis.
They do not lay eggs but give birth to live young. Embryos remain in the brood pouch until they hatch.
Axolotl
Axolotls have unique regenerative mechanisms.
Their wounds heal, and they can also regenerate their limbs, tails, fragments of the central nervous system, eye tissue, heart muscle and some parts of their brain.
Hammerhead sharks
Hammerheads are common in warmer waters along coastlines worldwide.