Description
Humphrey and other humpback whales can readily be identified by a stocky body with well defined humps and black upper elements. His head and lower jaw are covered with knobs called tubercles, which are actually hair follicles and are characteristic of the species. The tail flukes, which are lifted high in the dive sequence, have wavy rear edges.
Humphrey's long black and white tail fin, which is approximately one third of his body length, and pectoral fins have unique patterns that enable scientists to positively identify Humphrey, in a similar way to the bill markings on Bewick's Swans. Several hypotheses have been suggested to explain the evolution of the Humpback's pectoral fins, proportionally the longest fins of any cetacean. The two most accepted hypotheses are that the higher maneuverability afforded by long fins is a significant evolutionary advantage, or that the increased surface is useful for temperature control when migrating between warm and cold climates.
The humpback whale is a mammal which belongs to the baleen whale suborder. It is a large whale: an adult usually ranges between 12–16 m (40–50 ft) long and weighs approximately 36,000 kilograms (79,000 pounds), or 36 tonnes (40 short tons). It is well known for its breaching (leaping out of the water), its unusually long front fins, and its complex whale song. The humpback whale lives in oceans and seas around the world, and is regularly sought out by whale-watchers.
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