Learn more about Scott Shaffer’s studies of sooty shearwaters at
currents.ucsc.edu/06-07/08-14/shearwaters.asp (University of California, Santa Cruz) and www.toppcensus.org/Web/FeatureDetails.aspx?id=53&WG=9 (Tagging of Pacific Pelagics).
The Smithsonian Institution’s Migratory Bird Center has a Web site at nationalzoo.si.edu/ConservationAndScience/MigratoryBirds/default.cfm (Smithsonian Institution).
Information about blackpoll warblers can be found at www.mbr-pwrc.usgs.gov/id/framlst/i6610id.html (U.S. Geological Survey).
Rebecca Holberton’s research on warbler migration is described at www.umainetoday.umaine.edu/issues/v2i4/survival.html (University of Maine).
You can learn more about bird migration at www.backyardnature.net/birdmgrt.htm(Backyard Nature with Jim Conrad).
McDonagh, Sorcha. 2004. Sleep lessons from sparrows. Science News for Kids (July 28). Available at http://www.sciencenewsforkids.org/articles/20040728/Note3.asp.
Milius, Susan. 2006. Seabirds take record summer vacations. Science News 170(Aug. 19):126. Available at http://www.sciencenews.org/articles/20060819/note15.asp.
Perkins, Sid. 2003. Spring forward. Science News 163(March 8):152-153. Available at http://www.sciencenews.org/articles/20030308/bob9.asp.
Sohn, Emily. 2004. Wintering apart, returning together. Science News for Kids (Oct. 13).
Books recommended by SearchIt!Science:
Flight of the Golden Plover: The Amazing Migration Between Hawaii and Alaska— Debbie S. Miller
Published by Alaska Northwest Books/Graphic Arts Center Publishing Co., 1996.
Why would a bird leave a spot in the sun to nest in an ice-choked wilderness? Follow the spring migration of the golden plover from Hawaii to the Alaskan tundra. Watch as these birds mate, lay eggs, and hatch chicks. Then, accompany the birds on their return flight to Hawaii, their winter home.
when wastes leave the body.
digestive system The system that breaks down food into nutrients that can be used by the body. The digestive system is made up of the mouth, esophagus, stomach, pancreas,
gallbladder, liver, small and large intestines, and anus.
gut The tube in the body of an invertebrate that is used for digestion.
migratory Traveling from one place to another at regular times of the year, often over long distances. Salmon, whales, and swallows are all migratory animals.
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