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Robert T Bakker

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Covid-19
Nationality  American
Doctoral advisor  John Ostrom
Fields  Paleontology
Role  Paleontologist
Name  Robert Bakker

Robert T. Bakker wwwnndbcompeople871000092595roberttbakker
Born  March 24, 1945 (age 70) Bergen County, New Jersey, United States (1945-03-24)
Institutions  Johns Hopkins University Houston Museum of Natural Science
Alma mater  Yale University (B.A., 1968) Harvard University (Ph.D, 1971)
Known for  The "Dinosaur renaissance"
Education  Harvard University, Yale University, Ridgewood High School
Books  Raptor Red, The Dinosaur Heresies, Prehistoric Monsters!, Maximum Triceratops, Raptor Pack
Similar People  John Ostrom, Jack Horner, Luis Rey, Peter Larson, Philip J Currie

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Robert Thomas Bakker (born March 24, 1945) is an American paleontologist who helped reshape modern theories about dinosaurs, particularly by adding support to the theory that some dinosaurs were endothermic (warm-blooded). Along with his mentor John Ostrom, Bakker was responsible for initiating the ongoing "dinosaur renaissance" in paleontological studies, beginning with Bakker's article "Dinosaur Renaissance" in the April 1975 issue of Scientific American. His special field is the ecological context and behavior of dinosaurs.

Contents

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Bakker has been a major proponent of the theory that dinosaurs were "warm-blooded," smart, fast and adaptable. He published his first paper on dinosaur endothermy in 1968. His seminal work, The Dinosaur Heresies, was published in 1986. He revealed the first evidence of parental care at nesting sites for Allosaurus. Bakker was among the advisors for the film Jurassic Park and for the 1992 PBS series, The Dinosaurs!. Bakker also appeared in the Sega CD version of Jurassic Park. He also observed evidence in support of Eldredge and Gould's theory of punctuated equilibrium in dinosaur populations. Bakker currently serves as the Curator of Paleontology for the Houston Museum of Natural Science.

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Dr. Bakker was also a guest in episode 28 of the Williams Street original Space Ghost Coast to Coast.

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Biography

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Bakker was born in Bergen County, New Jersey. He attributes his interest in dinosaurs to his reading an article in the September 7, 1953, issue of Life magazine. He graduated from Ridgewood High School in 1963.

At Yale University, Bakker studied under John Ostrom, an early proponent of the new view of dinosaurs, and later gained a PhD at Harvard. He began by teaching anatomy at Johns Hopkins University in Baltimore, Maryland and Earth and Space Sciences, where future artist Gregory S. Paul worked and collaborated informally under his guidance. Most of his field work has been done in Wyoming, especially at Como Bluff, but he has ranged as far as Mongolia and South Africa in pursuit of dinosaur habitats. He also helped as an assistant at the University of Colorado.

Theories

In his 1986 work The Dinosaur Heresies, Bakker puts forth the theory that dinosaurs were warm-blooded. His evidence for this includes:

  • Almost all animals that walk upright today are warm-blooded, and dinosaurs walked upright.
  • The hearts of warm-blooded animals can pump much more effectively than the hearts of cold-blooded animals. Therefore, the giant Brachiosaurus must have had the type of heart associated with warm-blooded animals, in order to pump blood all the way up to its head.
  • Dinosaurs such as Deinonychus led a very active life, which was much more compatible with a warm-blooded animal.
  • Some dinosaurs lived in northern latitudes where it would have been impossible for cold-blooded dinosaurs to keep warm.
  • The rapid rate of speciation and evolution found in dinosaurs is typical of warm blooded animals and atypical of cold blooded animals.
  • The predator/prey ratio of predatory dinosaurs to their prey is a signature trait of warm-blooded predators rather than cold-blooded ones.
  • Birds are warm-blooded. Birds evolved from dinosaurs, therefore a change to a warm-blooded metabolism must have taken place at some point; there is far more change between dinosaurs and their ancestors, the archosaurs, than between dinosaurs and birds.
  • Warm-blooded metabolisms are evolutionary advantages for top predators and large herbivores; if the dinosaurs had not been warm-blooded there should be fossil evidence showing mammals evolving to fill these ecological niches. No such evidence exists; in fact mammals by the end of the Cretaceous had become smaller and smaller from their mammal-like-reptile ancestors.
  • Dinosaurs grew rapidly, evidence for which can be found by observing cross-sections of their bones. Warm-blooded animals grow at a similar rate.
  • Bakker is also a proponent of the idea that flowering plants evolved because of their interactions with dinosaurs.

    Writing

    His novel Raptor Red tells of a year in the life of a female Utahraptor of the lower Cretaceous. In the story, Bakker elaborates on his knowledge of the behavior of dromaeosaurids ("raptor" dinosaurs) and life at the time of their existence.

    Religious beliefs

    As a Pentecostal, Ecumenical Christian minister, Bakker has said there is no real conflict between religion and science, and that evolution of species and geologic history is compatible with religious belief. Bakker views the Bible as an ethical and moral guide, rather than a literal timetable of events in the history of life. He has advised non-believers and creationists to read the views put forward by Saint Augustine, who argued against a literal understanding of the Book of Genesis.

    Fictional portrayal

    The bearded paleontologist Dr. Robert Burke, who is eaten by a Tyrannosaurus rex in Steven Spielberg's film The Lost World: Jurassic Park, is an affectionate caricature of Bakker. In real life, Bakker has argued for a predatory T. rex, while Bakker's rival paleontologist Jack Horner views it as primarily a scavenger. According to Horner, Spielberg wrote the character of Burke and had him killed by the T. rex as a favor for Horner. After the film came out, Bakker recognized himself in Burke, loved the caricature, and actually sent Horner a message saying, "See, I told you T. rex was a hunter!".

    References

    Robert T. Bakker Wikipedia


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