Recent developments in dolphin behavior and encounters have left scientists puzzled! From orcas using boats as targets off Spain and Portugal's coasts to unusual sightings like a baby Irrawaddy dolphin swimming with Indo-Pacific humpback dolphins, there's been a lot of excitement. However, concerns also surround mass strandings, such as the 40 long-finned pilot whales that beached on Sanday in Scotland.

Source: https://www.livescience.com/animals/marine-mammals/dolphins