Killer whales

Bottlenose dolphins produce a extensive variety sounds that are divided into two categories: pulsed emissions, i.e. echolocation clicks and burst-pulsed sounds; and non-pulsed signals, i.e. whistles (Caldwell et al., 1990; Janik, 2013) (Figure 1:2). Clicks are high-frequency and directional sounds that are used to detect, discriminate and recognize objects in the environment, including potential preys (Caldwell et al., 1990; Janik, 2013). These clicks are used to locate/discriminate an object based

The sea animal I chose was a southern sea otter. Sea otters inhabited the North Pacific Rim of the Pacific Ocean, from Hokkaido, Japan, through the Kuril Islands, Kamchatka Peninsula, Commander and Aleutian Islands, Alaska, and south along the west coast of North America down to Baja California, Mexico. Scientist have evidence found in fossil records, that sea otters and their relatives have been a major part of the California’s ecosystem for the past five million years but by 1830 sea otters

Rescuers on Sunday morning were planning to spare a child humpback whale that got stranded only 20 feet from West Seattle shore, yet endeavors fizzled and the youthful one died, reports say. The 30-foot adolescent humpback whale (Megaptera novaeangliae) was discovered caught in the shallows close West Seattle's Fauntleroy Ferry dock in the small hours of the morning on August 7. That day, several individuals rushed to the ship terminal and endeavored to help in protecting the stranded creature

in this documentary, pathos, is a strategy in which the author uses words and examples to invoke an emotion in the audience. Scenes of whales being taken from their family pod, or footage of a whale that had been raked by the teeth of another whale are prime examples of this emotional appeal in action. The main animal in this film is a twelve-thousand-pound whale named Tilikum. “Tilly” was taken from the wild about thirty years ago. Since then, he performs many shows, and experiences cruel treatment

at the Virginia Zoo a rhinoceros drowned in the mud inside her enclosure. Zoos are not a good place for animals. All animals deserve the opportunity to run free in their natural habitat. Lions should be able to sprint across the savanna, just like whales should be able to navigate the deep Atlantic Ocean. Animals in zoos do not have this opportunity and have to live in enclosures that are much too small. For example, in a report done by the New York Times, the typical polar bear enclosure is one-millionth

Ecology Essay on Hippos Hippos have a common ancestor with whales. Hippos interact with many other organisms in amazing ways. Did you know that hippos sweat an oily red substance? People say that they sweat their blood, that’s a myth. The sweat is actually kind of like a skin moistener and sunblock that may also provide protection against germs. If you want to know more, keep reading. Hippos live in Sub-Saharan, Africa. They can only survive if they are in the water, they can survive when they are

Known as the sea otters (Enhydra lutris,) in various parts of the world are a subfamily of carnivorous mammals. Moreover, the sea otters have a lot of fur that helps keep their body heat. Also, they have great ability to swim, because due to its long tail, and lugs adapted to water. They are able to swim under the water, and they can be submerged there for 30-90 seconds without breathing at the surface. The sea otters have a worldwide distribution. Indeed, they live in oceans, lakes, lagoons and

The Differences of Whales and Sharks The shark and the whale are both amazing creatures, with many differences and similarities. I do think that both whales and sharks are amazing animals. Depending on the species of whale and shark their differences and similarities change. One difference they have is there diet. Both of them are carnivores so they both eat meat but they eat and hunt differently. Sharks are more active predators then whales. Shark are most frequent and active predators. They hunt

Imagine a world without your favorite foods you have ever consumed. Imagine a world where you cannot even enjoy your favorite beach on vacation because of unmanageable algae taking over our coasts. Imagine a world with a huge spike in greenhouse gases, and a dramatic decline of natural oxygen production. This is a world without the most feared and misunderstood creature that rules our oceans, the Shark. In an advertisement published by WWF, it conveys the message of what we should actually be fearing

The Great White, up to 21 feet long with razor teeth may seem like a monster but there is much that society does not know. Sharks need to be protected because of the benefits they give humans. Also by tracking sharks is one way researchers can find a way to understand sharaks more. Sharks are aquatic creatures and very important to the living with lots of information humans may not understand. To start off, femeles give birth to 7-9 sharks per litter that are 3-4 feet at birth. Next humans believe