Value of biodiversity and keystone species How does the study of fossil baleen whales inform our understanding of the evolution of their diet and feeding mechanisms?

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 ... Dec 4, 2020 ... Due to their size, blue whales are not often preyed upon, though pods of marine mammal eating orca whales will sometimes attack and share ... What do blue whales eat? Blue whales eat krill - tiny, shrimp-like crustaceans that live throughout Earth's oceans. The huge whales can eat up to four tonnes of ... Jun 8, 2023 ... Orcas can hunt and kill blue whales ... The report documented the first recorded observations of a pod of orcas — also known as killer whales — ... A blue whale eats krill almost exclusively, consuming up to 7,900 pounds (3,600 kg) of these tiny, shrimplike invertebrates daily. That's about 40 million krill ... Jan 10, 2023 ... If you've seen a blue whale feed, you'll know that they take enormous gulps of seawater and then filter their food – miniscule, shrimp-like ... Massive blue whales feed on very tiny prey called krill. How do they manage to get enough to eat? Hint: it involves literally doubling in size! 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. 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 ... Jun 2, 2022 ... Blue, right and grey whales generally have the smallest prey size, while humpback, fin, minke and sei whales can eat larger prey such as fish.