It’s not unusual for parents and especially mothers to sacrifice their own future success for the sake of their offspring. Now a new study in Current Biology on February 8 shows that killer whale mothers take this to a surprising extreme. They sacrifice their own reproductive success to care for their sons, even after those sons are full-fledged adults.
Click here for original story, Killer whale moms forgo future offspring for benefit of full-grown sons
Source: Phys.org