AI Insight
Humpback whales have been observed feeding during their annual migration along Australia's coast, contrary to the traditional understanding that they fast during migration. Video evidence captured whales stopping to feed while traveling from their northern Australian breeding grounds to Antarctic feeding waters. This behavior suggests the whales are opportunistically consuming prey when available during their southern migration.
Why it matters
This finding challenges the conventional model of humpback whale migration behavior and energy budgets, which assumed whales relied solely on stored fat reserves during migration. Understanding these feeding patterns is important for whale conservation efforts and may indicate changes in prey availability or migration strategies in response to environmental conditions.
Understand the Science
The southern humpback whale migration is in full swing. Tens of thousands of whales are now making their journey from warm Australian waters in the north to their cold feeding grounds in Antarctica.
Source: Videos capture humpback whales stopping to snack as they migrate along Australia's coast