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Marine Mammals Chart

The level of dependence on the marine environment varies considerably with species. The national marine mammal laboratory nmml conducts research on marine mammals important to the mission of the national marine fisheries service nmfs and the national oceanic atmospheric administration noaa with particular attention to issues related to marine mammals off the coasts of alaska washington oregon and california.

Marine Species Identification Chart

Tends to lighten in colour with age as scarring increases.

Marine mammals chart. They are an informal group unified only by their reliance on marine environments for feeding. Otter otter is a marine mammal native to the coasts of the northern and eastern north pacific ocean. 6 marine mammal identification chart head no beak and tall dorsal fin risso s dolphins description.

The list is updated at least annually. A comprehensive list of marine mammal photos in the stock photography database of phillip colla photography. School chart sticker chart learning charts educational chart education chart pre school chart nursery chart primary charts project charts kids chart.

A detailed organizational chart for the marine mammal and turtle division is available in pdf form. Adult sea otters typically weigh between 14 and 45 kg. Has a rounded size.

The current version was updated in may 2020. This is reflected in the footnotes. Marine mammals represent a variety of ecological roles including herbivores manatees filter feeders baleen whales and top predators killer whales mammals evolved on land around 160 million years ago.

The committee on taxonomy chaired by patricia rosel produced the first official society for marine mammalogy list of marine mammal species and subspecies in 2010 consensus on some issues has not been possible. This list follows the society s taxonomy regarding and subspecies. Each taxonomic marine mammal group evolved from a different group of land mammals whose ancestors separately ventured back into the ocean environment.

Resources marine mammal and turtle division organizational chart. Conservation status codes listed follow the iucn red list of threatened. Marine mammals form a diverse group of 129 species that rely on the ocean for their existence.

Marine mammals comprise over 130 living and recently extinct species in three taxonomic orders the society for marine mammalogy an international scientific society maintains a list of valid species and subspecies most recently updated in october 2015. Despite the diversity in anatomy seen between groups improved foraging efficiency has been the main driver in their evolution. Silver grey cream or white in colour due to large number of scars and scratches on the body.

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