Tuna fish migrant populations plummeted to only a 13% of its former numbers. Mediterranean seals vanished from Spain some decades ago also. So orcas are trying

Tuna fish migrant populations plummeted to only a 13% of its former numbers. Mediterranean seals vanished from Spain some decades ago also. So orcas are trying to get the attention from humans, because they know that humans have tuna. And they do strange things because they also know that humans trow dead fishes discarded in nets to the sea.