Never squash a wasp that has stung you. Upon being crushed, it will release a chemical that becomes airborne; this signals guard wasps to come and sting whatever gets in their way.

The mane of the male lion is a distinctive characteristic of lions as no other big cats have them. It makes male lions appear larger, thus allowing them to be more intimidating. It also signals sexual maturity and health status; lionesses tend to favour denser and darker manes.