Animal Reproduction

Pregnant Males: Seahorses and Pipefishes

June 24, 2020 0
A certain level of sex-role reversal is observed in insects, amphibians, and birds, but nowhere is it more clearly developed than in the seahorses and pipefishes. In these species, males get pregnant and give birth […]
Animal Parenting

Can Males Lactate?

June 17, 2020 1
It is physiologically possible for males to lactate! As we know, the female investment in almost all animals is much higher than that of males based solely on the value of eggs versus sperm. However, […]
Book Excerpts

“Wasteful” Killing in the Insect World

June 10, 2020 1
A point about humanity that I find thoroughly upsetting is trophy hunting. If you have no plans to utilize what you are going to kill to improve your biological fitness, then in my opinion there […]
Animal Parenting

Lactation in Spotted Hyenas

June 3, 2020 1
Hyena societies are matriarchal, which means that females are the socially dominant sex. They live in groups of sexually mature females and their offspring. When young males reach sexual maturity they are kicked out of […]