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Cattle Primate Observation Report

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This study examined the differences in articular surface morphology of caudal vertebrae between prehensile and non-prehensile tailed primates. Articular surface is skeletal surface, which includes bone and cartilage, that makes contact with other skeletal surface as part of a joint. Variation in the morphology of articular surface can confer a greater capacity for mechanical loading, which is required for prehensile primates as they often use their tails to suspend their entire weight during locomotion. In this experiment, it was hypothesized that articular surface area and curvature in caudal vertebrae could be used to distinguish between prehensile and non-prehensile tails. The results showed that articular surfaces found in both proximal and distal regions were greater in prehensile tailed primates, in comparison to primates that were non-prehensile tailed. …show more content…

It was also determined that prehensile tailed platyrrhines had more pronounced and convex articular surface curvatures. Greater contour curvatures on intervertebral articular surfaces are associated with an increased range of flexibility and mobility of the caudal vertebrae, benefiting prehensile primates that use their tails in a variety of complex movements. Hence, through analyses of the morphology of caudal vertebrae, specifically their articular surface area and curvature, it was concluded prehensile and non-prehensile tails could be distinguished according to these structural features. Both of these characteristics relate to effective use of the tail during locomotion. This article is useful towards my GEM as it describes differences in bone structure of the tails of prehensile and non-prehensile primates, and explains the reasons that certain variations confer advantages to prehensile tail

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758 Words | 4 Pages

Once the digital reconstruction was done the skull was compared with those of ancient and living primates in museums

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222 Words | 1 Pages

howler monkeys live in south america in the tropical forest.the Howler monkey has a very deep howl. Threats to howler monkeys are human,predators,habitats being destroyed. What 's good about their habitat is that they have lots of leaves to eat in their habitat at the rainforest. Howler monkeys only howl when its the beginning of the day and the end of the day. They also eat nuts in the forest.

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681 Words | 3 Pages

The article I have chosen was written by Helen Pilcher and is about evolution of creatures, especially for primates. However, until now, what do our very first primates were like still remain mysterious as we do not have sufficient information and evidences which are 60 million years ago. Yet, we still cannot deny that evolution occurs in creatures. No matter for humans, animals or plants, all of them will make changes because of their living habits and environment in order to survive. In this article, the author explains everything clearly about the primate evolution was taken around million years ago and ancestors are a small and nocturnal creature.

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406 Words | 2 Pages

Great apes’ such as bonobos, chimpanzees, and gorillas perspective—talking skills has increased throughout the years. The hypothesis they’ll be investigating will be the prediction that bonobos, and chimpanzees show a greater understanding of the role of barriers in visual perception than would other apes. The method involves a long procedure and setup for their experiment, they had many different subjects of apes housed indoor and outdoor at the Leipzig Zoo, Germany. The design and method of this experiment was to set up four conditions resulting from crossing the variables of target presence and barrier type. The four variables were opaque-target condition, opaque/no-target, window-target, and window/no-target.

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144 Words | 1 Pages

Although it may be hard to believe, scientists have performed experiments providing proof that non-human primates, as well as other species, do in fact have culture. Primate adults share their knowledge by teaching their young the tools and tricks they have learned from generations before them in their own particular social group. Primates have been found to have many things in common in what we believed was human culture. For example, primates live together in groups. While one social group may differfrom the other in the ways they eat, hunt, and socialize because the groups have learned the knowledge from older generations therefore they have adapted differently and have their own culture.

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1151 Words | 5 Pages

The primate observation that I chose to observe are Orangutan, Squirrel Monkey, and Lemur. This observation took place in the Lowry Park Zoo on October 18th. I went to the Lowry Park Zoo around 2 pm until 5 pm. The purpose of this observation is through primate’s anatomy, locomotion, and behavior to getting know them better, and how they are differences and similarities compare to human beings. When I got there, the Zoo was already very crowd.

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1911 Words | 8 Pages

In order to compare these anatomical differences, especially regarding tooth size and shape of skull, I will be looking into two hominids (and their skulls) in particular—Australopithecus Afarensis and Paranthropus Boisei. Under the category of Gracile Australopithecine, the Australopithecus Afarensis and the skull being used was from Ethiopia during the Pliocene epoch, roughly around 5.3-1.8 million years ago. As for the Paranthropus Boisei—under the category of Robust Australopithecine—this hominid and its skull was retrieved from Tanzania during the Pleistocene epoch, roughly 1.8 million-10,000 years

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1022 Words | 5 Pages

Humans have been examining and studying non-human primates for ages in an attempt to further understand the reasoning behind human behavior and base instinct. While it would be ideal to study non-human primates in the wild, away from possible interference from human civilization, that is often not the case, especially for students, and in this case the non-human primates have been observed within captivity. Specifically, the species observed were the Tufted Capuchin monkey (Cebus apella) and the common squirrel monkey (Saimiri sciureus) at the Living Links to Human Evolution Research Centre in Edinburgh Zoo. The tufted capuchin monkey is most commonly found within the neotropical regions of South America including: Columbia, Ecuador, Peru, Brazil, Suriname,

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432 Words | 2 Pages

In Penang Island, there are two diurnal primate species, the long-tailed macaque (Macaca fascicularis) and the dusky leaf monkey (Trachypethicus obscurus). Both of these species are Old World Monkeys. The long-tailed macaque (Macaca fascicularis), which is also known as crab-eating macaque is widely distributed in tropical mainland and insular Southeast Asia (Fooden 1995), belongs to Cercopithecinae family. They can be found in a wide variety of habitats such as mangrove forests, primary and secondary forests, freshwater swamps, peat swamps. They can even be found in agriculture areas and villages that are near the forests, national parks, recreational parks, tourist attractions.

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310 Words | 2 Pages

Climate change influenced nonhuman primate evolution by forcing the evolution of species and creating new environments that allowed for primates to live. "A rapid temperature increase around 55 mya ... led to an expansion of evergreen tropical forests, the environment that made possible many mammalian groups, including primates." (pg. 260). As rapid temperature increase created new environments a rapid cooling in the beginning of the Oligocene limited the range of habitats greatly. Due to this reduction a majority of the primates during this time lived around the fayum region in northeast Africa.

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753 Words | 4 Pages

Studying captive primates can help us learn not only how they behave, but also how they are similar or different to each other and humans as well as give us insight into the effects of captivity. This paper will be describing, comparing, and contrasting the behavior of two species of captive primates at the Alexandria Zoo, golden lion tamarins and howler monkeys, as well as discussing the possible effects captivity could have had on them. This paper will also discuss any human-like behaviors observed in the two primate species and what we as humans could learn about our own behavior by studying primates. The two primates I observed were 1 of 3 golden lion tamarins (Leontopithecus rosalia) all of unknown gender and a solitary female howler

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210 Words | 1 Pages

Through history there has been evidence to help support the claim that climate change has influenced the evolution of primates. Scientific evidence has proven that during certain climate spikes such as the swamp age, apes in the given territories that encompassed Africa led a migration to the Asia and Europe territories. The same climate changes that was responsible for the creation of the Swiss Alpes and other phenomena, has been associated with the adaptation, extinction, and migration. As weather changed in certain areas, the land became more dry making it harder to obtain and hunt food. Climate change, in theory, led to the extinction of the Sivapithecids apes because of the inability that the species has to obtaining food.

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382 Words | 2 Pages

Great Apes Joseph Both Africa and Asia are home to the magnificent great apes, including bonobos, chimps, eastern, and western gorillas, and orangutans. The population of of these creatures is drastically going down. The reason being is that the apes are losing their forests. Humans are the main cause of forests being cut down. Humans are cutting down the trees for lumber, commercial logging, and mining.

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549 Words | 3 Pages

The Howler Monkeys use their tail to help them grip onto branches as one tries to eat and move around the same in treetops. The tail of a howler monkey acts as a fifth limb for them, which is very ideal for their movement through the

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1065 Words | 5 Pages

BIOLOGY RESEARCH ESSAY There is great speculation around evolution. As we are continually in the process of discovering the history of human beings, there are many questions surrounding this topic. One very interesting question is why ancient ancestors of homo-sapiens evolved to walk upright like we do today. An apes’ DNA is astonishingly similar to that of a humans, (97% the same) and yet, our bones’ shapes and structure are very different.

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