Animal Parenting

Fire Salamanders Have Two Reproductive Modes

March 17, 2021 0
The fire salamander Salamandra salamandra is an organism with a perplexing level of parental plasticity. Females are generally oviviparous (not to be confused with oviparous), which means that somewhere between thirty and sixty larvae are […]
Animal Reproduction

Hybridization Between Species

February 24, 2021 0
If the scene for heterospecific copulation was that of a horror film, the scene for hybridization is more like that of science fiction. In nature when we see successful hybridization, this means that species are […]
Animal Reproduction

Misdirected Courtship and Sex With Other Species

January 20, 2021 0
Evolution should select for individuals that employ ways of discerning members of their own species from any others. Reproductive success of those engaing in sex with organisms of another species should therefore be drastically reduced. […]