Contamination of blue whale diet What research methods are used to study blue whale diets?

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. 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 ... 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 ... Blue whales usually feed at depths less than 100 m (328 ft) and no ... Solving the mysteries of the blue whale: How do blue whales communicate and why? The blue whale's primary diet consists almost exclusively of krill, a small oceanic creature that generally measures 1-2 centimeters long. 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 ... Dec 7, 2022 ... Blue whales feed exclusively on tiny marine organisms — especially krill — and rely on huge numbers of them. But blue whales face a number of ... 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. Their expandable throat groves allow them to gulp huge volumes of water, which they push back out through the baleen, trapping their prey inside like a giant ... Jul 15, 2020 ... ... blue whales. The first beep sounds and the captain whips the ... do whales eat? How much energy do they spend on feeding? How big do ...