The gray whale eschrichtius robustus, also known as the grey whale, gray back whale, pacific gray whale, or california gray whale, is a baleen whale that migrates between feeding and breeding grounds yearly. Telemetering of temperature and depth data from a free ranging yearling california gray whale, eschrichtius robustus. Eschrichtius robustus society for marine mammalogy. Mating is mostly confined to the breeding lagoons and bays in the south. Ginklasipika han iucn an species komo diri gud kababarakan. Lewis 1891 an elementary latin dictionary, new york. Gray whale eschrichtius robustus in the mediterranean. Eschrichtius robustus western subpopulation request pdf. This thesis examines sound production of eastern gray whales eschrichtius robustus in the. Gray whale eschrichtius robustus in the mediterranean sea. Organized into four parts encompassing 25 chapters, this book begins with an overview of the gray whale evolution, fossils, and subfossil remains, range, and systematics in. Mammal species of the world a taxonomic and geographic reference.
Eschrichtius robustus provides an introduction to the understanding of eschrichtius robustus or the gray whale. Definition of eschrichtius robustus in the dictionary. Social context of gray whale eschrichtius robustus sound activity. The life history and ecology of the gray whale eschrichtius robustus related titles. Lewis and charles short 1879 a latin dictionary, oxford. Evans abstract in 1968 ihe lililllor inilililed u leriel of ii. Eschrichtius gibbosus erxleben, 1777 taxonomic status. Eschrichtius robustus lilljeborg, 1861 gray whale other english common names. Wildscreen s arkive project was launched in 2003 and grew to become the worlds biggest encyclopaedia of life on earth. Museum of comparative zoologybiodiversity heritage library digitization project.
Did the gray whale, eschrichtius robustus, calve in the mediterranean. Social context of gray whale eschrichtius robustus sound. The fossil record and phyletic relationships of gray whales lawrence g. Each year, thousands of eastern pacific gray whales eschrichtius robustus undertake a 5,000mile migration, one of the longest of any mammal on earth. Subjected to intensive commercial whaling during the 19th and 20th centuries, the western population presently numbers approximately 100 individuals and is regarded as one of the most endangered baleen whale populations in the world. Definition of eschrichtius robustus in the definitions. Pdf on jan 1, 20, simon elwen and others published gray whale eschrichtius robustus sighting in. Mitsubishi one noteworthy result of this study is the first documentation of coyote consumption of the gray whale eschrichtius robustus. Topics cetacean, extinct species, eschrichtius robustus, gray whale, mediterranean, archaeology. Special publication american society of mammalogists. An eschrichtius robustus in nahilalakip ha genus nga eschrichtius, ngan familia nga eschrichtiidae. Eschrichtius robustus, gray whale english authorseditors.
Soft tissue evidence for an alveolar source of blood to baleen eric g. The gray whale eschrichtius robustus, also known as the grey whale,gray back whale. The gray whale is the only species in the baleen whale family eschrichtiidae. The gray whale by mary lou jones overdrive rakuten. The gray whale eschrichtius robustus, lilljeborg 1861 is the only living species in the family. Gray whales eschrichtius robustus exist as 2 geographically and genetically distinct pop ulations in the eastern and western north pacific. The atlantic gray whale eschrichtius robustus presents an interesting case study of climate related dispersal and local extinction. Morphometrics and structure of complete baleen racks in gray.
Survival estimates of western gray whales eschrichtius. Pdf gray whale eschrichtius robustus in the mediterranean. While limited fossil records confirm its presence in the atlantic up until the 18th century, its abundance and distribution within the eastern and western basins are still not well understood. The life history and ecology of the gray whale eschrichtius. Eschrichtius robustus mediumsized greyishblack whale of the northern pacific devilfish, eschrichtius gibbosus. Eschrichtius robustus definition of eschrichtius robustus. The western north pacific wnp population of gray whales eschrichtius robustus is listed as 38 threatened with extinction in the russian federation red book anonymous 2001 and as a 39. Activity budget and diving behavior of gray whales. The life history and ecology of the gray whale eschrichtius robustus by.
Eschrichtius robustus, and note morphometric variations between age groups as well as within individual racks. Morphometrics and structure of complete baleen racks in. Eschrichtius type and sole genus of the eschrichtiidae genus eschrichtius mammal genus a genus of mammals eschrichtiidae, family eschrichtiidae. Details the life history and ecology of the gray whale. Eschrichtius robustus in mammal species of the world.
Current status of the gray whale, eschrichtius robustus. Did the gray whale, eschrichtius robustus, calve in the. Adw doesnt cover all species in the world, nor does it include all the latest scientific information about organisms we describe. Telemetering of temperature and depth data from a free. An eschrichtius robustus nga tinatawag gihapon nga abohon nga balyena o gris nga balyena in uska species han mammalia nga syahan ginhulagway ni wilhelm lilljeborg hadton 1861. Almost exterminated by whalers, this population has rebounded as a result of being completely protected, except for aboriginal subsistence hunting reilly, 1984. The gray whale eschrichtius robustus is best known as a coastal dwelling cetacean that migrates along the westerncoast of north america from alaska to baja california. From a free ranging yearling california gray whale, eschrichtius robustus w.
Management plan for the eastern pacific grey whale. The modern gray whale, eschrichtius robustus, is presently found only in the north pacific, though vagrant individuals have been sighted outside its established ranges scheinin et al. Eschrichtius article about eschrichtius by the free dictionary. Gray whales eschrichtius robustus lilljeborg 1861 were. The gray whale eschrichtius robustus was first known to science on the basis of a subfossil skeleton from sweden described by lilljeborg in 1861. Giklaseklase sa iucn ang espesye sa kinaminosang kalabotan. Organized into four parts encompassing 25 chapters, this book begins with an overview of the gray whale evolution, fossils, and subfossil remains, range, and. The dorsal fin is in the form of a low protuberance, behind. Surgical attachment of a telemetry device to the dorsal ridge of a yearling california gray whale, eschrichtius robustus. Adult gray whales reach a length of 15 m, and newborns about 4.
Eastern north pacific gray whale eschrichtius robustus. Pdf gray whale eschrichtius robustus in the mediterranean sea. Bhl relies on donations to provide free pdf downloads and other services. Eschrichtius robustus proper noun edit a taxonomic species within the family eschrichtiidae gray whale, now found principally in the northern pacific ocean. In 1999, the number of gray whale eschrichtius robustus strandings. Until 2017, the genus contained only the gray whale. This book explores the life processes, reproduction, and growth of large cetacean populations. Eschrichtius definition of eschrichtius by the free. Eschrichtius robustus synonyms, eschrichtius robustus pronunciation, eschrichtius robustus translation, english dictionary definition of eschrichtius robustus. Gray whale eschrichtius robustus sightings in eastern beaufort sea pdf. Magdalena bay and scammons, san ignacio, and black warrior lagoons along the west coast of baja california, though it sometimes occurs along the migration route.
The genus name honors danish zoologist daniel eschricht. Comprehensive report species eschrichtius robustus. Pdf on 8 may 2010, a gray whale was sighted off the israeli mediterranean shore. Eschrichtius robustus lilljeborg, 1861 tsn 180521 french common names. Morphometric data and detailed descriptions were collected from the full baleen apparatus of three frozen specimens of e. No special publications of the society for marine mammals, no. Ang eschrichtius robustus sakop sa kahenera nga eschrichtius sa kabanay nga eschrichtiidae. Information and translations of eschrichtius robustus in the most comprehensive dictionary definitions resource on the web. Eschrichtius robustus mediumsized greyishblack whale of the northern pacific devilfish, eschrichtius gibbosus, gray whale, grey whale baleen. Swartz, in encyclopedia of marine mammals third edition, 2018. The final chapter deals with some innovative approaches to the study of free ranging cetaceans.
Mitchell history of gray whales in japan hideo omura aboriginal whaling from the. The gray whale eschrichtius robustus, lilljeborg, 1861 is the only living species in the family eschrichtiidae. Eschrichtius robustus noun the noun eschrichtius robustus has 1 sense. Eastern pacific gray whales eschrichtius robustus migrate annually between summering grounds in the bering and chukchi seas and overwintering areas around baja california rice and wolman 1971.
Eschrichtius robustus wikispecies, free species directory. Generally, so many barnacles and whitish scars appear on older whales that the. Eschrichtius synonyms, eschrichtius pronunciation, eschrichtius translation, english dictionary definition of eschrichtius. This book is a valuable resource for anthropologists, paleontologists, biologists, and naturalists. The gray whale is the sole living species in the genus eschrichtius, which in turn is the sole living genus in the family eschrichtiidae. Oclcs webjunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus. Eschrichtius definition of eschrichtius by the free dictionary. Pronunciation of eschrichtius robustus with 2 audio pronunciations, 6 synonyms, 1 meaning and more for eschrichtius robustus.
However, some gray whales do not complete this path, and in recent decades there has been an increase in the number of records of animals summering south of the bering sea nerini 1984, darling. Gray whales reach sexual maturity at eight or nine years. The greater palatine artery is restricted to its own passage with no connections to the baleen. Recent dating of extinct atlantic gray whale fossils. Seen from above, its body tapers at both ends, and is a dark slate color that can appear mottled gray. Gray whale eschrichtius robustus population and stock identity. The family and genus names refer to the danish zoology professor daniel eschricht and the species name means strong or oaken in latin.
Though we edit our accounts for accuracy, we cannot guarantee all information in those accounts. Gray whale eschrichtius gibbosus, a marine mammal of the suborder odontoceti toothless whales. Eschrichtius is a genus of baleen whale containing two species. This study has implications for the presence of baleen in extinct taxa by identifying the vessels. Eschrichtius robustus an overview sciencedirect topics. Eschrichtius article about eschrichtius by the free. Reliable information about the coronavirus covid19 is available from the world health organization current situation, international travel.
Espesye sa mamipero nga una nga gihulagway ni wilhelm lilljeborg ni adtong 1861 ang eschrichtius robustus. Gray whale eschrichtius robustus, lilljeborg 1861 laguna san. This mammal descended from filterfeeding whales that appeared at the beginning of the oligocene, over 30 million years ago. Eastern north pacific gray whale eschrichtius robustus unusual mortality event, 19992000. Numerous and frequentlyupdated resource results are available from this search.
The whalebone, or plates of baleen, are white and thick and have a coarse fringe. Pdf gray whale eschrichtius robustus population and. With the help of over 7,000 of the worlds best wildlife filmmakers and photographers, conservationists and scientists, arkive. Grey whale eschrichitus robustus eastern north pacific population. The behavioral ecology of the gray whale is unique among mysticetes. While limited fossil records confirm its presence in the atlantic until the 18th century, its abundance and distribution with the eastern and western basins are still not well understood.
1520 501 246 344 1135 1539 781 1473 714 1381 570 1123 1400 525 1337 1302 1053 310 1431 829 1375 629 1437 248 770 909 51