class, today we'll embark on an intriguing journey to understand whales, focusing on the less obvious, covert aspects of their lives that launch from the outset, guiding their behavior before it becomes visible. while the term 'pre-indicative' might sound complex, it simply refers to behaviors or signs that whales exhibit, which can inform us about their health or environment before it becomes obvious. interestingly, to truly appreciate these magnificent creatures, one must sometimes renounce previous misconceptions and follow new instructions for observation and research. this approach reveals the subtle, often hidden dimensions of whale life, enriching our understanding and appreciation of these marine giants.