The secret to mating, according to male fireflies (and undoubtedly applicable to many humans), is to give gifts to females. And now, scientists have found out the why:
Male fireflies, known for attracting mates with a flash of light, also seduce with a gift, say scientists.
This gifts comes in the form of a spermatophore: a package containing sperm and nourishment for the female.
Researchers from Tufts University in Boston, US, found that females preferred males that had the largest, most nourishing gift.