The Lost Cultures of Whales
By SHANE GERO
http://www.nytimes.com/2016/10/09/opinion/sunday/the-lost-cultures-of-whales.html
....The whale families we work with, members of the Eastern
Caribbean Clan, are shrinking. Their population is declining by as
much as 4 percent a year, as we reported last week in the journal
PLOS One, largely a result of climate change and the increasing
human presence in these waters. (Whales can be hit by ships or
become entangled in fishing gear.) We are not just losing specific
whales that we have come to know as individuals; we are losing a way
of life, a culture — the accumulated wisdom of generations on how to
survive in the deep waters of the Caribbean Sea. They may have lived
here for longer than we have walked upright.
Sperm whales live rich and complex lives in a part of the world we
find difficult to even explore. And many aspects of their lives
appear remarkably similar to our own. Grandmothers, mothers and
daughters babysit, defend and raise calves together. Family is
critical to surviving in the open ocean, and each has its own way of
doing things. The whales live in communities of neighboring families
in a multicultural oceanic society.
Behavior is what you do, culture is how you do it. All sperm whales
do the same things — feed, swim, babysit, defend, socialize — but
how they do them is different around the world....
* * * *
Critical Decline of the Eastern Caribbean Sperm Whale Population
Shane Gero, Hal Whitehead
PLOS, October 5, 2016
http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0162019
; NYT