How do birds find their way south in the fall? Some may have a built-in magnetic compass to help them find the way. At least there is an upsurge of scientific interest lately in the possibility that birds can orient themselves for their seasonal migrations by using the earth's magnetic field as a navigation aid.
Iowa Science Teachers' Journal
© Copyright 1972 by the Iowa Academy of Science
"Do Birds Have a Built-In Magnetic Direction Finder?,"
Iowa Science Teachers Journal: Vol. 9
, Article 21.
Available at: https://scholarworks.uni.edu/istj/vol9/iss3/21