Everyone has pretended to be sick, at least once, to get out of some sort of obligation or to convince our parents to let us stay home from school. Many animals do the opposite. They pretend to be well, when they’re actually in great danger from poor health.
Photo Credit: Smithsonian’s National Zoo via flickr | CC BY 2.0
https://gizmodo.com/invisible-illness-when-sick-animals-pretend-to-be-well-1593944994
