Anderson and Barnes (2000) reported a single vertebra of a Miocene mysticete
cetacean from Bangladesh.
This phenomenon is more common among odontocetes than mysticetes
A nonparametric Mann Whitney-U test was used to determine if the rates of prevalence differed between Mysticetes
and Odontocetes and a nonparametric Kruskal-Wallace test was used to determine if the prevalence rates differed significantly among species.
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Though large sperm whales often yielded more than 40 barrels of oil, mysticetes
other than balaenids rarely did, particularly when only the blubber was tried out (see Mitchell and Reeves, 1983, p.
Conversely, habitat partitioning between white whales and the two mysticete
species seems distinct, in years of both heavy and light ice conditions: white whales are consistently associated with slope habitat.
This chapter also details the development of baleen for feeding in mysticetes
, the evolution of echolocation in odontocetes, and the radiations of freshwater cetaceans.
Baleen whales, also known as mysticetes
, are the largest animals on earth, and include blue whales, minke whales, right whales, gray whales and fin whales, Khaleej Times reported.
In this study, we provide new details of aspects of the physiology of young mysticetes
that may account for these constraints.
like blue whales vocalise using lower frequencies creating sounds which can travel over large distances and odontocetes vocalise using higher frequencies, such as clicking sounds produced by dolphins and sperm whales to echolocate (using sound to Eoe1/4Y[pounds sterling]seeEoe1/4ao .
Among marine mammals, odontocetes (toothed whales), including beluga, may be at the greatest risk of contaminant effects because these animals are top predators that accumulate contaminants to a higher degree than do mysticetes
(baleen whales) (O'Shea and Brownell 1994).
were represented only by three species members of the family Balaenopteridae that with the exception of Megaptera novaeangliae may inhabit primarily oceanic waters.
In varying proportions, pinnipeds (true seals or phocids, eared seals or otariids, and walrus), and cetaceans (baleen whales or mysticetes
, and toothed whales or odontocetes), were critical sources of food, fuel, hides, and other raw materials for all Eskimo populations.
, such as the blue whale, lack the ability to echolocate.
1%) were reported in 2,000 mysticetes
(baleen whales) hunted in South Africa (19).