Mastodawn

A sperm whale giving birth has been assisted by 10 other females in her social unit – the first time such an event has ever been observed in non-primates.

https://www.newscientist.com/article/2521103-first-glimpse-of-sperm-whale-birth-reveals-teamwork-to-support-newborn/

First glimpse of sperm whale birth reveals teamwork to support newborn

A female sperm whale has been filmed giving birth for the first time, supported by 10 adult females who lifted the calf out of the water and protected it from predators

New Scientist