Bubble net feeding feed in a short amount of time. Humpback whales have a vertical throat roughly the size of a grapefruit. They cannot physically swallow anything larger than that. They are carnivores and primarily feed on small fish such as krill, juvenile salmon, and herring. They are also baleen whales, which means that they do not have teeth, so they must be able to eat things that they can swallow whole. They have several vertical grooves running down the length of their body so that they can hold large volumes of water and fish at one time. They feed for up to
Baleen basketry after whaling ended and before the intensification of the North American fur trade. so this is one of the youngest basketry traditions in North America. Kinguktuk (1871–1941, also spelled "Kiŋaqtaq" in Iñupiaq; and his wife: "Qusraaq") is recognized as the first baleen basketmaker with his first pieces made between 1914 and 1918 in Barrow. He was perhaps the only baleen basketmaker as late as 1931. Today, most baleen basketmakers live in Point Hope, Alaska. Kinguktuk's early baskets were woven in the single-rod coiling of their willow-root prototypes, and already had starter pieces, the perforated ivory discs used to attach beginning