Whale populations refer to the number of whales living in specific areas or globally. These populations can vary greatly depending on the species, with some, like the blue whale, being endangered due to past whaling practices. Conservation efforts have been implemented to help restore these populations, including protected marine areas and regulations on hunting. Monitoring whale populations is crucial for understanding their health and the overall state of marine ecosystems. Scientists use methods like aerial surveys and acoustic monitoring to track whale numbers and behaviors. This information helps inform conservation strategies and ensures that these magnificent creatures can thrive in their natural habitats.