You gain the ability to comprehend and verbally communicate with beasts for the duration. The knowledge and awareness of many beasts is limited by their intelligence, but at minimum, beasts can give you information about nearby locations and monsters, including whatever they can perceive or have perceived within the past day. You might be able to persuade a beast to perform a small favor for you, at the DM's discretion.
A gift from the whale of the wild waters of the Frigid Depths, Oceansong is a deep, unspoken connection to the creatures of the sea. It is a wisdom passed through the waves,with the Wildmother's guidance, a language that flows from the heart of the ocean itself.,You can communicate with marine creatures at will as though casting Speak with Animals, without expending a spell slot.