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When they swallow they stream the water out through their baleen as they ingest the fish. [3] The fish that they ingest are also a source of hydration for them. [3] Bubble netting is an advanced and necessary feeding method developed by humpback whales to feed multiple mouths at one time. Humpback whales do not always feed in large groups. [5]
Water depth and the type of habitat — rocky, sandy or coral reef — also played roles in the approaches the whales took. Drone imagery shows a gray whale using a side-swim technique to find food.
The skim-feeders are right whales, grey whales, pygmy right whales, and sei whales (which also lunge feed). To feed, skim-feeders swim with an open mouth, filling it with water and prey. Prey must occur in sufficient numbers to trigger the whale's interest, be within a certain size range so that the baleen plates can filter it, and be slow ...
Whales are fully aquatic, open-ocean animals: they can feed, mate, give birth, suckle and raise their young at sea. Whales range in size from the 2.6 metres (8.5 ft) and 135 kilograms (298 lb) dwarf sperm whale to the 29.9 metres (98 ft) and 190 tonnes (210 short tons) blue whale, which is the
Baleen is a filter-feeding system inside the mouths of baleen whales. To use baleen, the whale first opens its mouth underwater to take in water. The whale then pushes the water out, and animals such as krill are filtered by the baleen and remain as a food source for the whale.
Researchers studying the majestic creatures have discovered the animals aren't just jumping for fun -- it's an important way to communicate.
A North Atlantic right whale dives deeper into the water showing off its flukes. A Center for Coastal Studies team was out on Cape Cod Bay Monday searching for right whales aboard the research ...
The motion of the head may induce a bow wave in the fluid which pushes the prey away from the jaws, but this can be avoided by allowing water to flow through the jaw. This can be accomplished by means of a swept-back mouth, as in balaenid whales, [21] or by allowing water to flow out through the gills, as in sharks and herring.