ナショナルジオグラフィックのインスタグラム(natgeo) - 3月5日 05時27分

Photo by @BrianSkerry.
A two-day old humpback whale calf rises towards the surface while its mom hovers below in the warm waters off the Cook Islands in the South Pacific. This population of humpbacks spends the summers feeding in Antarctica, migrating to warmer waters in winter where calfs are then born. The bond between moms and calves is strong, with calfs spending their first year with their mothers, during which time they nurse and are given protection.
Although much has been learned about this remarkable species throughout decades of research, many mysteries remain with respect to humpback societies in the sea. The song of the male humpback, for example, has been described by scientists as the “horizontal transmission of culture.” Commonly believed to be a means of attracting females, the song of the male has never actually been observed as effective in finding a mate. Might there be greater complexities within these sounds? Further study will likely reveal fascinating aspects of the lives of these whales.

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