Species:Eschrichtiidae
Gray whale fluke, San Ignacio Lagoon, Baja, California. @ C.Michael Hogan
Published: October 31, 2009, 12:00 am
Updated: November 26, 2011, 3:31 am
This article has been reviewed by the following Topic Editor:
C Michael Hogan
Eschrichtiidae is a whale family which contains single living species, the Gray whale (Eschrichtius robustus). Gray whales are large whales, ranging to over 14 meters in length and over 30,000 kilograms in body mass.
Populations of this species were nearly driven to extinction in the early part of this century. Protected from whaling, the eastern Pacific population has made a strong comeback in the north Pacific (along east and west coasts) while Atlantic populations are extinct.
They have a slender body with a low dorsal hump and no dorsal fin. They summer at high latitudes in the Pacific Ocean, migrating during autumn to the west coast of Baja California along the coastal waters of Alaska, British Columbia and California. Pregnant females gather in shallow lagoons to give birth to calves. Gray whales travel singly or in small groups of up to a dozen or so individuals.
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Citation
Eileen Mary Dee, Peter Saundry, Encyclopedia of Life (Lead Author);C Michael Hogan (Topic Editor) "Eschrichtiidae". In: Encyclopedia of Earth. Eds. Cutler J. Cleveland (Washington, D.C.: Environmental Information Coalition, National Council for Science and the Environment). [First published in the Encyclopedia of Earth October 31, 2009; Last revised Date November 26, 2011; Retrieved May 23, 2013 <http://www.eoearth.org/article/Eschrichtiidae?topic=49540>
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Dr. Peter Saundry is the Executive Director of the National Council for Science and the Environment (NCSE), a nonpartisan organization working to improve the scientific basis of environmental decision making. The NCSE works closely with the many communities that create and use environmental knowledge to make and shape environmental decisions, including academic, scientific, environmental, and business organizations, as well as federal, state ... (Full Bio)
The Encyclopedia of Life (EOL) is an ambitious, even audacious project to organize and make available via the Internet virtually all information about life present on Earth. At its heart lies a series of Web sites—one for each of the approximately 1.8 million known species—that provide the entry points to this vast array of knowledge. The entry-point for each site is a species page suitable for the general public, but with several linked pages aimed at more specialized users. The sites spark ... (Full Bio)
Eschrichtiidae is a whale family which contains single living species, the Gray whale (Eschrichtius robustus). Gray whales are large whales, ranging to over 14 meters in length and over 30,000 kilograms in body mass.
Populations of this species were nearly driven to extinction in the early part of this century. Protected from whaling, the eastern Pacific population has made a strong comeback in the north Pacific (along east and west coasts) while Atlantic populations are extinct.
They have a slender body with a low dorsal hump and no dorsal fin. They summer at high latitudes in the Pacific Ocean, migrating during autumn to the west coast of Baja California along the coastal waters of Alaska, British Columbia and California. Pregnant females gather in shallow lagoons to give birth to calves. Gray whales travel singly or in small groups of up to a dozen or so individuals.
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