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Dig up Digging for Bird-Dinosaurs

Digging for Bird-Dinosaurs: An Expedition to MadagascarImage

By Dr. Nic Bishop

Publication date 2000. 48 pg. Houghton Mifflin Company. ISBN: 0-395-96056-8.

Nic Bishop has combined his avid love of photography and his doctorate in biology into a prize-winning series of books for children. His books include a series on specific groups of animals, such as snakes, lizards, marsupials, spiders, butterflies, as well as a “scientist in the field” series. It is the latter series I am discussing today. There are plenty of books available discussing the different animals, although few with the quality of photography and biological expertise Bishop brings to his work, but there are precious few that discuss the work of the scientist in bringing that knowledge to light as the discoveries are being made, which is what particularly interests me here.

Digging for Bird-Dinosaurs was published in 2000, so it is not current, but is still topical and relevant and should stay so for some time. The only issues with the age of the book are new details that have been discovered, which further confirm the hypotheses presented in the book. When the book was written, most scientists had been convinced that birds evolve from dinosaurs for many reasons which are mentioned in the book. Since the book has been published, many new feathered dinosaurs have been found which clearly show the relationships in further detail. But the book is not really about the relationships between birds and non-avian dinosaurs, although it discusses them quite well, it is about the experience of the people on an expedition to Madagascar in 1998, what it is like being in the field and the study of some of the fossils that were discovered. If you want to know what it is like to go to another country and dig for dinosaurs, this book will be of interest and should make interesting reading for kids in elementary or middle school.

The expedition was led by Dr. David Krause, a professor at Stony Brook University in New York who has been running paleontological expeditions to Madagascar since the early 1990s and is still doing so, although the book is focused on his colleague, Dr. Cathy Forster, also of Stony Brook (at the time, but now an Associate Professor at George Washington University). She, like Krause, is a noted paleontologist and is likely the focus of the book because of the relative paucity of women in the field sciences. These days, if one goes to a meeting of the Society of Vertebrate Paleontology, women are well represented, but in the 1990s, most of these women were still students looking to the few women like Dr. Forster who were forging careers.

Image

Rahonavis. cc Wikipedia

The book follows their experiences in the field and the discovery of a particularly interesting bird-like creature they eventually name Rahonavis. The book continues with the team bringing the fossils back, preparing them out of the rock and studying them, coming to the conclusion that the animal was the closest known bird to Archaeopteryx, which is generally considered the earliest known bird. It is so close in fact, that many scientists today consider it actually closer in lineage to the dinosaurs known as dromeosaurs, which include animals like Velociraptor, than it is to birds. This placement is a great demonstration that birds really did evolve from dinosaurs. It is so hard to tell the difference between “dinosaur” and “bird” in the earliest bird-like forms because they are not distinct, separate groups. Birds are merely a subset, a type of dinosaur, in much the same way that mice are rodents, which are also mammals, which are also amniotes, which are also vertebrates, etc. Therefore, whether or not Rohanavis falls out before or after Archaeopteryx in the lineage is a mere detail, changing nothing of the story. It makes as much difference to the evolution of birds as it does which of a set of twins was born first or second, a matter of inconsequential minutes in evolutionary time.

One of the fascinating parts of the book is when Dr. Krause and Dr. Forster discuss the local people helping them. The villagers are very poor, with no access to healthcare or schools. Dr. Krause was concerned enough that he founded the nonprofit Madagascar Ankizy Fund, which supplies needed healthcare to the area, as well as building schools and providing teachers. Dr. Krause and Dr. Forster came to Madagascar to hunt for fossils. But while they have found a great many spectacular finds, perhaps their greatest accomplishment is in the humanitarian work on behalf of the people who live there.


2 Comments

  1. […] Dig up Digging for Bird-Dinosaurs […]

  2. […] Dig up Digging for Bird-Dinosaurs (paleoaerie.org) […]

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