A Quantitative Study of the Nocturnal Migration of Birds by Jr. George H. Lowery
Read now or download (free!)
| Choose how to read this book | Url | Size | ||||
|---|---|---|---|---|---|---|
| Read online (web) | https://www.gutenberg.org/ebooks/37894.html.images | 298 kB | ||||
| EPUB3 (E-readers incl. Send-to-Kindle) | https://www.gutenberg.org/ebooks/37894.epub3.images | 1.7 MB | ||||
| EPUB (older E-readers) | https://www.gutenberg.org/ebooks/37894.epub.images | 1.7 MB | ||||
| EPUB (no images, older E-readers) | https://www.gutenberg.org/ebooks/37894.epub.noimages | 124 kB | ||||
| Kindle | https://www.gutenberg.org/ebooks/37894.kf8.images | 2.6 MB | ||||
| older Kindles | https://www.gutenberg.org/ebooks/37894.kindle.images | 2.6 MB | ||||
| Plain Text UTF-8 | https://www.gutenberg.org/ebooks/37894.txt.utf-8 | 239 kB | ||||
| Download HTML (zip) | https://www.gutenberg.org/cache/epub/37894/pg37894-h.zip | 1.9 MB | ||||
| There may be more files related to this item. | ||||||
Similar Books
About this eBook
| Author | Lowery, George H., Jr., 1913-1978 |
|---|---|
| LoC No. | 51062488 |
| Title | A Quantitative Study of the Nocturnal Migration of Birds |
| Credits |
Produced by Chris Curnow, Tom Cosmas, Joseph Cooper, The Internet Archive for some images and the Online Distributed Proofreading Team at http://www.pgdp.net |
| Summary | "A Quantitative Study of the Nocturnal Migration of Birds" by George H. Lowery Jr. is a scientific publication written in the mid-20th century. This work investigates the nocturnal migration patterns of birds through quantitative analysis, addressing previously unexamined aspects of avian behavior during migration. The study proposes to gather substantial data that will lend clarity to various hypotheses surrounding bird migration, focusing primarily on aspects such as flight densities, direction, and the influences of environmental factors. The opening of the study introduces the intriguing phenomenon of bird migration at night, highlighting the lack of comprehensive understanding in the field. Lowery outlines the various circumstantial observations that indicate migratory activity, such as sightings of birds on stormy nights and incidents of collisions with tall structures. He articulates the need for a structured, quantitative approach to accurately measure flight densities and their variations. Through telescopic observations focused on the moon, data collection was conducted over several nights, providing a rich dataset that aims to elucidate the nature of nocturnal migration and the variables influencing it. The introductory sections set the stage for an ambitious analysis intended to fill gaps in existing ornithological knowledge regarding nighttime bird movements. (This is an automatically generated summary.) |
| Language | English |
| LoC Class | QH: Science: Natural history |
| Subject | Birds -- Migration |
| Category | Text |
| EBook-No. | 37894 |
| Release Date | Oct 31, 2011 |
| Copyright Status | Public domain in the USA. |
| Downloads | 82 downloads in the last 30 days. |
| Project Gutenberg eBooks are always free! | |
