http://www.iflscience.com/plants-and-animals/killer-whales-tracked-above orcas nuzzling (or maybe playfully head-butting) each other. Orcas spend their entire lives in family pods, which in some cases can be an entire century. Despite being apex predators, the orcas are disturbed by vehicles that get too close, leading NOAA to warn drone owners to keep their distance. via Orcas Tracked From Above | IFLScience.