Unlike blue whales, humpback whales can also eat anchovies ... their silence signals trouble. A whale has no energy for song “if it’s harder to gather the food resources it needs to sustain ...

For example, humpback whale songs increased dramatically over ... Researchers examined several factors that could explain these changes in song detection — but the best-supported explanation ...

But as the intensity of the heatwave decreased, whale song increased ... and Google's artificial intelligence groups to sift humpback whale songs from other ocean noises. They further compared ...