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The skim-feeders are right whales, gray 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 ...
Some are dragged behind the boat, following the path of a whale that was skim feeding. A vertical tow is lowered into the water to determine how deep in the water column the food source is.
The mom and calf were skim feeding. “It was incredible to watch these right whales feeding at the surface, especially Pediddle’s calf learning to feed alongside its mother,” Katherine ...
Bubble-net feeding is a feeding behavior engaged in by humpback whales [1] and Bryde's whales. [2] It is one of the few surface feeding behaviors that humpback whales are known to engage in. [ 3 ] This type of feeding can be done alone or in groups with as many as twenty whales participating at once. [ 4 ]
Drone videos of gray whales off Oregon have revealed new details about how the marine mammals find food. The findings were described in studies this summer. Drone video of gray whales offers new ...
Humpback whale breaching. Cetacean surfacing behaviour is a grouping of movement types that cetaceans make at the water's surface in addition to breathing. Cetaceans have developed and use surface behaviours for many functions such as display, feeding and communication.
The right whale's callosities provide habitat for large colonies of cyamids or whale lice, which feed on the right whale's skin as these small crustaceans cannot survive in open water. [13] The relationship between cyamids and right whales is symbiotic in nature but is poorly understood by scientists.
Three North Atlantic right whales -- Spoon, Tux and a whale listed in the North Atlantic Right Whale Catalog as #3550 -- on Feb. 20 were spotted echelon feeding in the Great South Channel, an area ...