Snowy Owl Invasion!: Tracking an Unusual Migration
Snowy Owl Invasion!: Tracking an Unusual Migration
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Annotation: Describes the snowy owl irruption of 2013-2014 in which snowy owls began appearing in eastern parts of the United States and explains how scientists were able to place GPS tracking devices on them to monitor their behavior and migration patterns.
Genre: Biology
Catalog Number: #600413457
Format: Ebook
All Formats: Search
Special Formats: Manga Manga Ebook Ebook Downloadable Downloadable
Copyright Date: 2018
Edition Date: 2018
Pages: 1 PDF file (48 pages)
Territory: World
Availability: Available
ISBN: 1-512-49865-3
ISBN 13: 978-1-512-49865-3
Dewey: 598.9
Language: English
ALA Booklist
At the wintry end of 2013, bird watchers and biologists in the northeastern U.S. noticed a peculiar thing: they were spotting high numbers of snowy owls, a bird predominately found in the Arctic and northern Canada. During the 2013 14 winter, however, the owls were spotted even as far south as Florida. For scientists, determining the cause of this irruption e sudden increase of an animal population in areas it doesn't usually inhabit ant taking a look at the environmental factors, such as population boom in lemmings, the owl's primary food source, that led to increased survival rates, and increased competition, among owls. In clearly designed pages featuring frequent, glossy photos, this book introduces the life cycle, usual tundra habitat, and habits of the snowy owl before it delves into Project SNOWstorm, an initiative focused on gaining insight into migration patterns. Reasons irruptions occur and advances in technology that allow scientists to glean more knowledge than ever before are thoroughly explored. A solid pick for aspiring biologists and tech fans alike.
Horn Book
In 2013, an irruption (sudden increase) of snowy owl sightings in southern Canada and the U.S.--far south of their normal summer home--prompted studies of their migration behavior. Markle's clear prose describes the research of Project SNOWstorm, which tracked snowy owls and collected data with GPS transmitters. Illustrative field photos help middle-grade readers follow the scientific investigation. Reading list, websites. Glos., ind.
School Library Journal Starred Review
Gr 36 In 2013, snowy owls made an unusual trip south, but that detour is only part of the story acclaimed science writer Markle shares in her latest book. Markle starts with background information, revealing why so many snowy owls traveled south, and then explains how scientists quickly capitalized on the circumstances to tag the birds and follow their migration routes. The story gains momentum as Markle details the importance of the food chain and provides insight from scientists working with the owls. These interviews and accompanying photographs set the book apart and bring the story to life. The writing is easy to understand and never boring. The main narrative is laid out in full-color spreads, accompanied by photographs (some stock, some provided by the scientists) and maps. Full-page sidebars are differentiated from the main text by changes in backgrounds and typefaces. The distinctions are subtle but make the reading experience flow that much more easily. Similarly, definitions are addressed naturally within the text, providing no interruptions. Markle's author's note ends the tale and is also a good read. She explains how she tracked down sources and why it was important to talk to the scientists. It's a terrific note that encourages both budding naturalists and science writers of all ages. VERDICT An excellent purchase for STEM collections. Marie Drucker, Hewlett-Woodmere Public Library, NY
Bibliography Index/Note: Includes bibliographical references and index.
Word Count: 4,290
Reading Level: 6.6
Interest Level: 4-7
Accelerated Reader: reading level: 6.6 / points: 1.0 / quiz: 193858 / grade: Middle Grades
Reading Counts!: reading level:10.2 / points:4.0 / quiz:Q72660
Lexile: 1080L
Guided Reading Level: W
Fountas & Pinnell: W

Late in 2013, snowy owls started showing up in places no one expected to find themincluding Florida. What had caused so many of these majestic birds to leave their Arctic home and fly to southern Canada and the United States? Scientists quickly began working to find out. Author Sandra Markle brings together firsthand reports from the scientists involved along with stunning photographs of the owls to explain this rare event, known as an irruption. Follow along as scientists figure out why snowy owls took part in this unusual migration and discover what they learned from the unexpected opportunity to study them up close.

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