Although whale song is nothing like human language, I wouldn't be surprised if some marine mammals have the ability to communicate in a complex way. Given that the underwater environment is very different from our world, it is not surprising that they would communicate in rather a different way from land mammals. |
For example, a text consists of paragraphs; a paragraph consists of sentences, a sentence consists of clauses, etc.. They are at different levels of hierarchy, or layers. |
Information in the context of information theory does not include 'meaning,' but it focuses on how rare, surprising, predictable or complex a message is. |