Faced with the threat, the horned lizard has adopted a very particular technique to dissuade its predators from approaching it. This small animal of ten centimeters is able to propel a jet of blood on its attacker.

The super power of the horned lizard

Disgusting his enemy so as not to be eaten, this is the technique of this funny lizard. His method of self-defense is based on a stream of blood that he projects on a potential predator from his eye. For this, the Horned Lizard of Mexico has a cavity filled with blood located at the level of its eye. The more it fills up, the more the pressure increases. He only has to contract his muscles several times for the sinus wall to rupture and throw blood into his opponent's face.

More information for this technique

Face à la menace, le lézard cornu a adopté une technique très particulière pour dissuader ses prédateurs de l'approcher. Ce petit animal d'une dizaine de centimètres est …

L'étrange technique de survie du lézard cornu

Tardigrades are distinguished by exceptional resistance capacities when they enter life slowed down, or cryptobiosis. They are then able to resist:<ul><li class="ql-align-center">a temperature close to absolute zero and a maximum temperature of 151 ° </li><li class="ql-align-center">very long periods of freezing (tardigrades collected in ice cores and which had been there for 2,000 years have come back to life)</li><li class="ql-align-center">the void a pressure of 600 megapascals (ie the pressure that would reign at the bottom of a hypothetical ocean 60,000 meters deep)</li><li class="ql-align-center">an X-ray dose of 570,000 rads (while 500 rads is the lethal dose for humans</li><li class="ql-align-center">a spacewalk.</li></ul>

Tardigrades

De tardus (lent) et gradi (marcher). En anglais water bear (ours d’eau). Groupe d’animaux de petite taille, de 50 micromètres à 1,2 mm, portant quatre paires de pattes courtes. On en connaît 600...

L'étrange technique de survie du lézard cornu

Tardigrade

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