Among animal populations, it has been observed that only a few males are needed to keep the numbers healthy and fertilize all the females. However, a new study shows that they are also important for keeping the gene pool healthy and keeping bad mutations away.
Some beetles, like the burying beetles, in particular, are found to have been digging to hide scents of decomposing bounty to keep the rivals away and have something to feed their future offspring.
A beetle has found its way to survive inside its predator's body through the "back door." Amazingly, it survived even after being eaten by the frog. It appears to be in good health after escaping.