Mating aggregation of Southern Right whales on their annual migration, aerial

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