Topic: Compare and contrast the Penguin the flightless bird and the Great Northerner diver.
I. Introduction
The two species I will be writing about is the Emperor penguin and the Great norther diver they are both are from the class Aves (Magnuson, 2007) .In addition, the emperor penguin since is in the class Aves, the penguins used to be able to flight which is an adaptive trait (Elliott et al., 2013).In addition, physiologically they look different the Emperor penguin looks bigger and can’t fly. In the other hand the common loon is small, is able to fly, and swim (Mager et al., 2017). Moreover, by using their differences and similarities the paper will be mostly about connecting the two species by using the similarities they use to have
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c. Also, emperor penguin have two lungs and air sacs that help them breathe underwater and in terrestrial environment (Ponganis PJ, 2015)
V. Common Loon Anatomy
a. The common loon body is long and heavy which not that common for birds (Padilla, 2014)
b. Wedded feet that are positioned in back of the body and unable loon to walk on land(Mager et al., 2017)
c. In addition, They have air sacs which helps them and can fill them with air so they have better flotation when they are in the water (Templeton & Mountjoy,2003).
VI. Feeding Behavior of the Emperor penguin
a. In order to be able to eat they swim and capture fish, krill, and some species of squid (Wallace, 2015)
b. Since the type of animal they eat are not in deep ocean floor they once need to dive about 20 meter to be able to feed. (Magnuson, 2007).
c. When the penguin are young they are feed by the father and mother until is able to hunt (Fretwell e al. 2014).
VII. Feeding behavior of the Common Loon
a. Common loon when capturing prey feed of fish first they follow and capture the prey (Templeton & Mountjoy,2003).
b. When loon are in lakes that have few fish their intake of food is less and as well they mobility ( Gingras & Paszkowki,2016)
VIII. Evolution of the Emperor Penguin
a. One of the most important adaptation Emperor Penguin have is the avia pulmonary and air sacs (Ponganis PJ, 2015).
b. That adaptation allows them to be able to swim under water
Penguins lives in north pole. penguin eats fish, ray fish, squid, cod, krill and shrimp. They live for 10 years to 25 years. Penguins huddle up to keep warm because to protect them. A penguin is a bird but it cant fly. Baby penguins are born with out feathers. Penguins dive 50 to 60 feet to catch their food. when baby penguins are about 4 weeks old they huddle up to keep warm.
Penguins ( family Spheniscidae, order Sphenisciformes) are a group of flightless, aquatic birds living exclusively in the Southern Hemisphere, particularly in Antarctica. Well-adapted for life in the water, these birds have countershaded white and black plumage, and their wings have evolved into flat, paddle-like flippers. They feed on squid, fish, krill and other forms of sealife. Penguins spend half of their lives in the oceans and half on land. This list contains 10 unusual facts about penguins you may not know.
One hypothesis proposes that the reason Steller sea lions have been declining is because of low prey abundance. Animals should use their energy efficiently when they forage to maximize the net amount of energy gained in relation to the amount time and energy that is spent, but it is believed that the reason Steller sea lions are disappearing in such big numbers is because when prey abundance is lower, that Stellar sea lions are less efficient predators (Charnov, 1976). In a recent study conducted on the effect of prey abundance on foraging efficiency, it was found that the less prey that Stellar sea lions had available, the less efficient they were in foraging (Goundie et al., 2015). In the experiment, the researchers took 4 adult Stellar sea lions and had them dive up and down a tube while recording their oxygen consumption, and dive duration. The sea lions dove between the surface of the water and depths of 10 m, and 40 m, and the reason for this was to simulate diving depths of Steller sea lions in the wild (Merrick and Loughlin, 1997). While the sea lions were diving, researchers fed them pieces of fish through two different tubes that were placed away from each other in order to simulate real foraging movements and prey densities. The researchers fed the seals 12 pieces of fish in the
Some contain a vascularized lung function in their branchial chamber to conduct gas exchange when on land; some breathe using gills on land if their gills are kept moist. Their digestive waste exits through the anal sphincter.
The two toed sloth is classified as a choloepus and has two toes on each hand. They hang upside down for most of their day. They are the world's slowest mammal. Algae grows on its fur
If we are in deep waters we stay near the surface. We live in warm tropical waters in the Atlantic, Indian, and Pacific oceans. We mostly eat sponges, anemones, squid, shrimp, and of course, jellyfish!
When on land all the tentacles retract so they are not exposed to wind. The Anemone also has to be able to cope with possible salinity changes when it passes through rock pools and returns to the ocean.
They feed during the day and at night on fishes and cephalopods, and they are known to attack smaller dolphins that are involved in the tuna purse-seine fishery in the Pacific Ocean.[4]
Seals hunt for their food in the sea. Their whiskers aid them in detecting the route of fish. Because their stomach prints are found at the bottom of the sea, seals are considered bottom feeders. Strategically, they use their tusks to dig immense furrows in search for clams. Seals feast on fish, shrimp, mussels, and clams. In the Antarctic, the elephant seal is noted for fiercely hunting down sharks. Furthermore, seals utilize their tusks for tilling the seafloor while scavenging for clams. The sea is a seals source of
Their target prey is usually fish (both bony fish, and sharks and rays). They will also eat crustaceans, sea turtles, cetaceans (such as dolphins), and squid.
Mink (Neovison vison previously Mustela vison)(Ahola et al., 2011) are semi-aquatic carnivorous mammals (Heyen et. al., 2011). In the wild they are a solitary and very territorial species some some aspects of their way of living in the wild have been replicated for use in mink farming (Pedersen et al., 2003) for example breeding stock are housed individually (Meagher et al., 2014) however juveniles may be housed in groups (Alumu et al., 2014), individually (Pedersen et al., 2003) or more likely in male-female pairs (Hänninen et al., 2008). Other aspects of their natural habitats have been excluded from their farm habitats, such as access to a swimming area, in the wild mink habitats are close to water since
It has long, slender legs that can help it stay above the water, thin beaks for hunting and more. This info also came from the PDF that I mentioned earlier. It’s actually pretty cool to see that these animals adapted so well so that they could survive.
When a baleen whale finds food, it opens its large mouth and sucks in whatever it plans on eating with large amounts of sea water in one of three ways. Gulp feeders wait until they have a full mouth, then press their tongues against the baleen. The pressure pushes the sea water out, and its food gets caught in the baleen like a giant strainer. Once all the water is removed, the whale swallows its food whole. Skim feeders use a different approach, skimming along the surface of the water with their mouths open to catch zooplankton. Bottom feeders plow along the seabed and use their baleen to filter small invertebrates from the
Deep explanation on Penguins Evolution, how and why the behave like they do, their way of living in the extreme condition of the artic, the physics involving their movement and the different paths penguin species took and relate each other on evolution, specifying for each species their pros and con compared to others. Penguins Penguins are animals that are together with other 2,000 species in the Phylum of Chordata. The phylum chordate is categorized for presenting four characteristics that differentiate them from the rest of animals of the kingdom. These exclusive features are: presence of notochord, a dorsal nerve cord, postanal tail and a pharynx with gill clefts.
Compare and contrast essay There are two great articles about penguins get rescue from huge oil spills,there were two big oil spill in the 1998 and the 2000 on on the southern part of africa and the article the amazing penguin rescue and the seabird chronicles there were big oil spills in phillip island and south ocean In the phillip islands and the south ocean there were two big oil spill The worker scramble to save every penguin but the penguin were in bad shape and need a lot of attention to keep the warm feed and cleaned. In the articles there are several similarities they both have the same problem the penguin are freezing do to the oil in there fether