I interviewed at Bi-Mart (Madras, OR) in September 2016. The interview lasted about 25 min and was extremely laid back. He spent more time talking about Bi-marts operations and friendly, for the employee, work place then anything else.
Confidence votes 13. Whales, like otters, porpoises, and all other swimming mammals, undulate their spines rhythmically, waving their tails and flipping the flukes at the end, propelling them forward.
Large pods may attempt to protect themselves by wildly thrashing, swinging their tails against the water, and slapping the surface of the water with their tails. They express this behavior toward other whale pods and even toward groups of boats if they get too close. The predators of the humpback whale include humans, large sharks and orcas.