Southern Right whale mating group in clear blue Atlantic waters

southern right whale mating group clear blue atlantic aerial mating aggregation whales hermanus ecotourism marine life endangered species cape whale coast polyandrous reproduction eubalaena australis cetacean walker bay copulation churn up water aquatic wildlife polygamous courtship drone mating mating ritual coastal waters group annual migration whale watching eubalaena right whale endangered ocean wildlife callosities aquatic mammal animal marine nature sea south africa overstrand cetacea balaenidae sea animal aquatic animal behaviour