postpartum depression
Animal Parenting

What is Postpartum Depression?

November 27, 2019 2
Postpartum depression is a depression which extends past the point of days or even weeks after giving birth. The physiological changes associated with postpartum depression are very real. They reinforce each other in a cyclical […]
platypus mothers lay eggs and produce milk
Animal Parenting

Platypus Mothers – Mammal Moms Who Lay Eggs

November 20, 2019 0
The developmental pathways of the platypuses of Australia and New Guinea are a combination of reptilian, avian, and mammalian characteristics. Platypus mothers are physiologically specialized to produce both eggs and milk. They have a single […]
explosive breeding frogs
Animal Reproduction

Male Frogs, Explosive Breeding, and Necrophilia

November 13, 2019 1
Many frog species exhibit something called explosive breeding. This is essentially a short breeding season wherein there is intense male:male competition for mates. Often, many males will attempt to court the same female. The females […]
primate breastfeeding
Animal Nutrition

How Primate Moms Decide When to Start Weaning Their Babies

November 6, 2019 7
Weaning is a difficult thing to study and to quantify. Because of the multitude of factors involved that a mother cannot control (resources, predation, environmental stochasticity, number of previous offspring, offspring size, and sex), the […]