Animals

Wednesday, 16 September 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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Black-headed python
Black-headed pythons are not an endangered species.
IUCN classifies those reptiles as least concern (LC). The exact population size is not known but they are often found in their environment, which may indicate their high abundance.
Dolphins
There are nearly 40 species of dolphins in the world.
Most of them live in shallow ocean waters in the tropical zone.
Guinea pig
In the West, the guinea pig was first described in 1554 by Swiss naturalist Conrad Gessner.
The earliest known European illustration of a domestic guinea pig is a painting by an unknown artist ...
American mink
This raises concerns among naturalists because the American mink has turned out to be a very destructive species for native zoocenoses.
Local populations of some birds and mammals have been destroyed. The expansion of the American mink is probably responsible for the population decline, including coot and muskrat.
Shoebill
Shoebills are endemic to Africa.
They live mainly in the eastern and tropical zones of Africa. They are found from southern Sudan and ...
Insects
Most insects reproduce sexually and by laying eggs.
They are fertilized internally using external genitalia. The design of the genitalia can vary signif ...
Brown recluse spider
Brown recluse spiders lay eggs from May to July.
Spiders
Spiders breathe using lungs or windpipes.
Lung tracheas evolved from the legs of aquatic arachnids. Tracheae, in turn, are bulges in the body ...
European tree frog
Females lay 800 to 1000 eggs grouped in walnut-sized clusters in the water.
The eggs are 1.5 mm in diameter. After 10 to 14 days, tadpoles hatch from them. The earlier the eggs are laid, the larger and more adult the tadpoles will grow.
Tasmanian devil
The strength of their bite relative to their body weight is one of the highest among all land predators.
Their jaws expand 75 degrees to 80 degrees and their bite force exceeds 550 N. According to the bite force quotient (BFQ), they outclass the tiger, lion, leopard, or brown bear.