Adopting unique survival strategies during spring food shortages and simultaneous parturition and nursing is crucial for golden snub-nosed monkeys. Social behaviors, such as altruism within one-male ...

The Elevated Progesterone Levels (FPM) in females from January to March indicated pregnancy, with a sharp decline in April suggesting synchronised parturition or birthing. Testosterone levels in ...

Eutherian mammals have characteristic lengths of gestation that are key for reproductive success, but relatively little is known about the processes that determine the timing of parturition, the ...