Classic on Instagram: "This video captures a striking display of interspecies maternal behavior, specifically the concept of cross-species nurturing. While ducks and dogs are not naturally inclined to bond, this interaction reveals how hormonal signals and maternal instincts can override species boundaries. The Neurobiology of the "Mothering Drive" When a mother dog is in a state of high-nurturing—often following the birth of her own offspring—her brain is flooded with oxytocin, which promotes b