Impact on foraging efficiency What are the benefits and drawbacks of different methods used to estimate krill biomass (which informs our understanding of blue whale food availability)?

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 ... Eating habits: Blue whales need to feast on large quantity of krill for sustenance. They can hold up to 1000kg or 22000 pounds of tiny crustaceans at time. Feb 6, 2024 ... It is true that they mainly they do eat Krill but, yes they do sometimes hunt small fish and even if they could tell what was Krill and what was ... Nov 7, 2022 ... A single blue whale gulps down up to 10 million pieces a day during its main feeding season, which lasts 90 to 120 days during the summer months ... 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 ... Blue whales mostly eat krill. Humpback whales eat mackerel, krill, schooling fish, anchovies, and sardines. Lesson Summary. These enormous marine mammals can grow up to 30m in length and eat up to 3,600kg of krill a day. ... Whale wonders: did you know blue whales are the loudest ... May 21, 2020 ... Killer whales are apex predators. They're the most powerful killer in our oceans, capable of tackling massive prey like blue whales and even ... That includes sperm whales, North Pacific Right whales, blue whales and finback whales. ... What do whales in Alaska eat? What a whale eats is dependent on the ... An average-sized blue whale will eat 2,000-9,000 pounds (900-4100 kg) of plankton each day during the summer feeding season in cold, arctic waters ( about 120 ...