Animals

Sunday, 13 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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Northern pike
Their behavior is closely affected with weather conditions.
On sunny and calm days pikes like to stay in the water thickets near the shore, while in windy weather they are found in deeper and more distant waters.
Octopus
Some species of octopuses, when attacked by a predator, can discard an arm that crawls along the bottom to distract the predator.
Red-necked wallaby
The gestation period of a red-necked wallaby is about 30 days.
The joey is born without fur, is blind, is the size of a bean, and weighs less than one gram. After ...
Brazilian wandering spiders
The risk of death from the bite of these spiders is low, especially outside South America.
Phoneutria boliviensis is the most commonly detected Brazilian cottonmouth in transport, and no deaths from bites by this species have been documented to date.
Otters
It belongs to the subfamily Lutrinae in the family Mustelidae.
They are related to skunks, wolverines, badgers, and weasels.
Central bearded dragon
It inhabits rocky deserts, semi-deserts and forest areas of central Australia.
Jellyfish
Although their name might be confusing, jellyfish are an invertebrate, not fish.
They do not possess a vertebral column.
Hummingbirds
During the day, a hummingbird's heart beats up to 1,260 times per minute, while at night the rate drops to between 50 and 180 beats per minute.
Their flight requires huge amounts of oxygen, which the heart must pump at a tremendous rate. The br ...
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.
Red panda
Red pandas are both nocturnal and crepuscular.
They spend the majority of the day sleeping–they can sleep for up to 17 hours.