How do animals escape the heat in summer?
1. Hippos, seahorses and other animals living in the water secrete sweat
Daily soaking in the water can only lower the body temperature, but cannot avoid the effects of ultraviolet rays. irradiation. In summer when the sun is shining brightly, ultraviolet rays can also cause great damage to their skin.
Hippos and seahorses have a unique ability. Their skin can secrete a kind of pink sweat, which can quickly become hard and form a hard shell, thereby protecting them from ultraviolet damage. Sweat acts as a natural sunscreen for hippos and seahorses and also inhibits the growth of bacteria.
2. Elephants, buffaloes, rhinoceros and other large animals use mud to escape the heat
In summer, larger animals such as elephants and buffaloes, in addition to taking a bath in the water , the most common way to escape the heat is to take a mud bath. Don't underestimate dirty mud. Not only is it effective in sun protection, it can also lower your body temperature as the water contained in it will evaporate continuously, while at the same time resisting mosquito attacks.
After the mud dries, it can also take away the parasites, bacteria and dead skin produced by the hot weather on the skin of these animals, playing a cleaning role.
3. Snails will curl up in their shells for "aestivation" in the summer
Most snails like to stay in a humid environment. When the hot and dry summer comes, the snail's A layer of mucus is secreted on the surface of the body to seal the hard shell on its body, and it curls up inside the shell to escape the heat. For example, snails living in the African desert will retract into their hard shells in the summer, and then burrow into the gravel to "aestivate" and spend the entire summer.
4. Tigers and brown bears like to use cold water to cool down in summer
As soon as summer comes, tigers and brown bears lose their former majesty. Tigers in the zoo like to take a cold bath, swim or stay in the shade in the summer. The brown bear, which looks very simple and honest, will plunge into the pool after waking up in the morning and lie in the water all day long.
5. Rabbits need to use their ears to dissipate body heat
Some animals rely on body parts to cool down, such as rabbits. Rabbits have to erect their two long ears when running. This is because rabbits have underdeveloped sweat glands and can only rely on the rich capillaries in their ears to dissipate a large amount of heat generated in the body.
People's Daily Online - World Environment Day is coming as scheduled. Let's take a look at how animals cool down in summer