Animals

Friday, 31 July 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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Sea lamprey
Lampreys belong to a family of ancient fish that existed before the dinosaurs' time.
The first jawless fish appeared on Earth during the Silurian period between 443.8 and 419.2 million years ago.
True seals
Their mother's milk so well nourishes young seals that the mother leaves them before they reach adulthood.
They can survive without food for up to several months by burning stored fat before they are forced to go hunting.
Insects
The insects that survived the late Permian extinction evolved in the Triassic (252 to 201 million years ago).
It was in the Triassic that all orders of currently living insects arose. Today's insect families de ...
Vaquita
Their signature trait is a black spot around their mouths and eyes.
Narwhal
They live in Arctic waters, mostly off the coast of Greenland.
Salamanders
Juveniles
Newly hatched salamander is in a larval form that needs to metamorphose before becoming an adult for ...
Leopard geckos
Its tail, which is as long as its body, serves as fat storage.
It comes in handy while food is scarce.
Brown recluse spider
Their eyes are arranged in dyads and are equal in size.
Other spiders have their eyes arranged in rows of four.
Ocean sunfish
They are being mistaken for sharks.
Because ocean sunfish often swim near the water's surface, their dorsal fin protrudes above the wate ...
Viper dogfish
Females are larger than males and measure up to 54 centimeters.
Males typically reach a length of 47 centimeters.