It’s a mating strategy as sperm volume increases the rat’s chance to reproduce. Single female mates with multiple males and more volume translates into higher chance for male’s sperm to succeed.
In general, nut size directly correlates with promiscuity across most species so you can tell how a species fucks just by looking at their balls :D
It’s a mating strategy as sperm volume increases the rat’s chance to reproduce. Single female mates with multiple males and more volume translates into higher chance for male’s sperm to succeed.
In general, nut size directly correlates with promiscuity across most species so you can tell how a species fucks just by looking at their balls :D
Uh… Thanks, I guess. I should be more careful about the questions I ask. lol
That’s also why gorillas have tiny testes: total wife guys!