Category: Animal Reproduction

Animal Reproduction
Menopause in Toothed Whales
The only other group of animals that experiences menopause to the extent that humans do is the toothed whale. Short-finned pilot whale and ecotype resident
October 13, 2021

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
Obligate Diapause – Suspending Pregnancies in Carnivores
As opposed to the rodents who experience facultative diapause, carnivore moms experience obligate diapause. Obligately diapausing mothers experience a period of embryonic inactivity each time
August 11, 2021