Animal Parenting

Parenting Hypothesis for Practice Nursing

March 24, 2021 0

The parenting hypothesis posits that first-time moms (moms who haven’t given birth) will allonurse unrelated offspring as a means by which to gain experience and skill for when the “real thing” occurs. This kind of […]

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 Parenting

Female House Mice Co-Parent

March 10, 2021 2

Close bonds form between females who see each other all the time, although in the case of alloparenting and shared nursing between house mice, there is little or no genetic relatedness between females. Group living […]

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 Parenting

Toothed Whales Carry Their Dead Calves

February 17, 2021 0

Toothed whales called Odontocetes are mammals that form close social bonds, most often along matriarchal lines, and it is therefore not surprising that an infant’s death can be traumatic for a mother. Many observations of […]