Costs and benefits of baleen feeding

Blue whales mostly eat krill. Humpback whales eat mackerel, krill, schooling fish, anchovies, and sardines. Lesson Summary. They are generally solitary or gather in small groups, and have no well-defined social structure other than mother–calf bonds. Blue whales vocalize, with a ... 7. What is the pygmy blue whale's diet? They feed almost exclusively on krill but can also eat plankton which is what they have been feeding on here ... Jan 6, 2020 ... Smaller fish, and especially fish larvae, end up in their stomachs a lot. Blue whales do eat mainly Krill, but not exclusively so, they are not ... Nov 4, 2021 ... Those in turn would feed huge swarms of krill, which would feed whales. ... How do blue ... They dine by straining huge volumes of ocean water through their baleen plates (which are like the teeth of a comb), leaving their tummies full of tons of tiny ... Smithsonian scientist Nick Pyenson took part in new research that indicates that in one day a blue whale can eat about 16 tonnes (or metric tons) of krill. Blue whales are the largest animals ever to live on our planet. They feed almost exclusively on krill, straining huge volumes of ocean water through their ... Nov 8, 2022 ... For all the seafood that we eat, the Blue Whales eat more than all that! ... We care about this and we're going to do something about it. 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 ...