Parent Layer: Summer Whale Density

Name: Humpback Whale (Megaptera novaeangliae)

Display Field: MNO_R_U_D

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Description: These data show information from 16 ship-based assessment surveys by the Southwest Fisheries Science Center from 1986-2006. Predicted annual densities were smoothed into a continuous grid of density estimates for the surveyed area. Annual grids were averaged and represent the best estimate of Humpback Whale density in Washington over the past 20 years. Humpback whales live in all major oceans. In the summer, they are found in high latitude feeding grounds in places like the Gulf of Alaska. In the winter, they are found migrating to calving subtropical or tropical calving grounds in places like the Hawaiian Islands. There are at least 3 separate populations of humpback whale species in the North Pacific ocean stock. NOAA's Office of Protected Resources reports approximately 20,000 whales in the North Pacific ocean stock. Humpback whales are listed as an endangered species as of 1970 (74 Federal Register 40568). A petition to delist the species was submitted to the National Marine Fisheries Service (2013) and a status review of the North Pacific population was initiated (78 FR 53391).

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Copyright Text: Duke Univ/NOAA SWFSC

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