Mammals Of The Sea Outline

Class outline fins and flippers is presented in two parts. The possibility that human generated noise could harm marine mammals or significantly interfere with their normal activities is an issue of increasing concern.

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While the study of marine mammals dead from the sea and live in captivity continues and grows a relatively new approach has become the major research avenue since the 1970s.

Mammals of the sea outline. Pinnipeds seals sea lions fur seals and walruses cetaceans whales dolphins and porpoises sea otters sirenians dugongs and manatees and polar bears. The first part is a 45 minute slide show introducing the four orders of marine mammals and the threats they face from humans. Mammals of the sea the chewonki foundation s fins and flippers program is an.

The maximum number of people for this. Here i am going to give you a general outline of the mammalian skeleton with some notes to indicate particular variations. The other marine mammals in order carnivora are sea otters and polar bears.

Originally designed to live on land marine mammals are a diverse. This consists of our fourth phase of researchers going out into nature to observe the animals in their own milieu. Baker in encyclopedia of ocean sciences second edition 2001.

Eat and are. Marine mammals with restricted coastal distributions are more likely to encounter oil than wide ranging species moving quickly through an area. There are more than 5 500 species of living mammals arranged in about 125 families and as many as 27 29 orders familial and ordinal groupings sometimes vary among authorities.

Some species lack a tail others lack apparent hind limbs and the skull is very variable. Mammals of the sea check out photos of mammals of the sea. Seals sea lions walrus hippopotamus platypus otters beavers and.

Aquatic and semiaquatic mammals are well adapted to life in the water with physical characteristics such as flippers webbed feet paddlelike tails and streamlined bodies. Whales dolphins porpoises manatee and dugong are completely aquatic. Species at particular risk are those which rely on fur for conservation of body heat e g.

If the fur becomes matted with oil they rapidly lose body heat and. They can be referred to as fissipeds meaning paw or pad footed. For the 119 species of marine mammals as well as for some other aquatic animals sound is the primary means of learning about the environment and of communicating navigating and foraging.

Sea otters are the smallest marine mammals. The huge range of lifestyles and habitats utilised by mammals means that a great deal of variety exists between different groups. Published on 12 12 2012 at 3 00 am.

For more information about each group and special characteristics of certain marine mammals see our marine mammal classification page. Sea otters are the only marine member of the mustelid family which includes land mammals such as river otters weasels and badgers. As the animals associate with conspecifics.

The rodents order rodentia are the most numerous of existing mammals in both number of species and number of individuals and are one of the most diverse of living lineages. There are five groups of marine mammals.

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