Snowy owl invasion! Tracking an unusual migration

Sandra Markle

Book - 2018

"A historically large irruption of snowy owls during the winter of 2013-2014 brought them across the eastern US, and farther south than usual. Scientists used this opportunity to attach GPS tracking devices to some snowy owls to increase understanding of their winter behavior and migration."--

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Subjects
Published
Minneapolis : Millbrook Press [2018]
Language
English
Main Author
Sandra Markle (author)
Physical Description
48 pages : color illustrations, map ; 24 x 27 cm
Bibliography
Includes bibliographical references and index.
ISBN
9781512431063
  • The invasion
  • History in the making
  • Snowies become snowbirds?
  • Good news, bad news
  • Project snowstorm
  • A star owl reporter
  • The future is snowy.
Review by Booklist Review

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 the sudden increase of an animal population in areas it doesn't usually inhabit meant 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.--Reagan, Maggie Copyright 2017 Booklist

From Booklist, Copyright (c) American Library Association. Used with permission.
Review by School Library Journal Review

Gr 3-6-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 © Copyright 2017. Library Journals LLC, a wholly owned subsidiary of Media Source, Inc. No redistribution permitted.

(c) Copyright Library Journals LLC, a wholly owned subsidiary of Media Source, Inc. No redistribution permitted.
Review by Horn Book Review

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. (c) Copyright 2019. The Horn Book, Inc., a wholly owned subsidiary of Media Source, Inc. No redistribution permitted.

(c) Copyright The Horn Book, Inc., a wholly owned subsidiary of Media Source, Inc. No redistribution permitted.
Review by Kirkus Book Review

In the winter of 2013-2014, when snowy owls from the Arctic began appearing far south of their usual winter homes, scientists took advantage of a rare research opportunity. An unusually large irruption of snowy owls, seen in huge numbers in eastern Canada, New England, and the mid-Atlantic coast and as far south as Florida, spurred observers to develop new techniques to track and learn more about this Arctic species. One likely hypothesis for their sudden migration into unlikely areas is a population explosion caused by the unusually high lemming numbers the previous summer, which provided more food for hatchlings. Another points to strong southeasterly winds blowing them off course. Using leg bands and small GPS transmitters, scientists followed the movements of specific birds, discovering new facts about a bird not previously well-studied. Markle introduces the birds, the lemmings, and the science in lively, clear prose organized into chapters profusely illustrated with well-captioned photographs. With long experience in explaining the natural world to young readers, she deftly chooses information that will be of particular interest and provides the necessary background. Separate sections explain lemming population booms, differences between male and female owls, tundra, and owl feeding habits. A map shows the travels of several birds, including a "star reporter" named Baltimore. Appealing design adds further value to this dramatic demonstration of science in progress. (author's note, sources, glossary, resources, index, photo credits) (Nonfiction. 8-12) Copyright Kirkus Reviews, used with permission.

Copyright (c) Kirkus Reviews, used with permission.