Geographic variation in blue whale prey Does the diet of blue whales vary by season?

The whales need to eat about 4,000 kg per day during the summer months. Blue ... The energy stores they build up during this period should sustain the whales ... Jan 29, 2022 ... Although the predation of blue whales by orcas is gruesome, scientists say it could be a positive sign for the health of whale species in the ... Nov 3, 2021 ... The researchers came to their troubling conclusion after asking a very fundamental question: How much do whales eat? ... blue and humpback ... Jun 21, 2023 ... Antarctic krill are their main prey in the Southern Ocean and they eat a lot of it. For example, some estimates indicate that blue whales eat up ... Feb 28, 2022 ... The blue whale feeds exclusively on a tiny crustacean called krill and eats it by the ton, literally. In a single day of feeding, a blue whale ... Oct 2, 2015 ... "For blue whales, one of our main questions has been: How do they eat efficiently to support that massive body size," said Elliott Hazen ... Apr 3, 2024 ... Diet: Blue whales are true krill connoisseurs, feeding almost exclusively on these small, shrimp-like crustaceans. They can consume up to 4 ... Nov 30, 2012 ... The 30-second manoeuvre — two half turns, performed either side of engulfing a meal — enables the whales to position their jaws underneath their ... Nov 9, 2021 ... Krill, small shrimp-like crustaceans* that blue whales eat almost exclusively, contain a significant amount of iron – a scarce nutrient in the ... of krill each day for about 120 days. It is estimated to take 1,000 kg (2,200 lbs.) of food to fill a blue whale's stomach. Gray whales eat about 150,000 kg ( ...