|Monarch butterflies use magnetic compasses
butterflies have a built-in magnetic compass as a back-up orientation
system to their regular sun compass.
. . . O.R. Taylor, et al. 1999. Monarch butterflies (Danaus
plexippus L.) use a magnetic compass for navigation. Proceedings
of the National Academy of Sciences 96(Nov. 23):13845.
S.C. Borland, and J.B. Phillips. 1999. Extraocular magnetic compass in
newts. Nature 400(July 22):324.
Perez, S.M., O.R.
Taylor, and R. Jander. 1997. Nature (London)387:29.
The Journey North
Web site at http://www.learner.org/jnorth/
provides information about tracking monarch butterfly migrations.
Kenneth P. Able
State University of New York at Albany
Department of Biology
1400 Washington Avenue
Albany, NY 12222-0001
University of Minnesota
Department of Ecology, Evolution and Behavior
1987 Upper Buford Circle
St. Paul, MN 55108
Orley R. Taylor
University of Kansas
Department of Entomology
Lawrence, KS 66045
Department of Neurobiology and Behavior
W255 Seeley G. Mudd Hall
Ithaca, NY 14853
News, Vol. 156, No. 22, November 27, 1999, p. 343. Copyright ©
1999, Science Service.