Tag: wild sex

Animal Reproduction
Cryptic Female Choice
“Cryptic female choice” is essentially a female’s way of exercising some post-coital power over whose sperm will fertilize her eggs. There are many reasons why
August 25, 2021

Animal Reproduction
Male Rats Run Out Of Sperm But Still Engage In Sex
Rats (superfamily Muroidea) have a well-studied mating system that often involves males becoming sexually satiated. This means that they literally get tapped out of sperm
August 18, 2021

Animal Reproduction
Female Fire Salamanders Can Store Sperm For Months
In many anuran (frog and toad) species, females have a sperm-storage organ (a spermatheca) that enables them to keep sperm for long periods of time.
July 14, 2021

Animal Reproduction
Is There A Reason For Menopause?
Menopause – why would such a strategy evolve? After all, males retain the ability to procreate until the end of their life cycles (albeit with
June 9, 2021

Animal Reproduction
Humans vs. The Animal Kingdom
One of the things that fascinates me the most about sex is the fact that our own species does so many things so differently than
June 2, 2021