Animals

Wednesday, 8 October 2025
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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European tree frog
They can change their skin color, often doing so to adapt to their surroundings.
It takes these amphibians about 20 minutes to change color from light green to almost dark.
Common kingfisher
Common kingfishers are the size of a sparrow.
Their body length ranges from 16 to 18 centimeters and their weight is between 35 to 40 grams. The w ...
Sea lamprey
The spawned larvae find cover in the sand and mud, where they stay for three to four years, feeding on detritus and microalgae.
Lamprey's larvae (ammocoete) spend a few years in fresh bodies of water until they undergo metamorphosis.
Lemon shark
The yellow or olive hue on their skin works as an excellent camouflage on the sandy seafloor.
Their underbellies are light yellow, and that is where their name comes from.
Brown recluse spider
Female brown recluse needs to mate only once to produce eggs throughout its entire life.
One female can produce roughly around 150 spiderlings per year.
Asian elephant
It can measure between 2.1 and 3 meters at the shoulder, 6.5 meters in length, and weigh between 2,500 and 5,500 kilograms.
Giant panda
Due to the nature of their diet, pandas defecate up to 40 times a day.
The food excreted by the panda is not well digested because the time spent in the digestive system is too short to undergo all the necessary processes.
Axolotl
Axolotls do not transform into adults.
It is due to the lack of thyrotropin, a hormone necessary for the thyroid gland to produce hormones allowing metamorphosis.
Northern pike
They exhibit cannibalistic behavior.
At about five weeks of age, the first signs of cannibalism may appear if there is not enough food av ...
American bullfrog
They reach sexual maturity between the age of 2 to 4.