Migrating birds use genetic maps to navigate

Day, Stephen
April 1991
New Scientist;4/20/91, Vol. 130 Issue 1765, p21
Reports that biologist Andrew Helbig at the Vogelwarte Radolfzell in Moggingen, Germany has shown that crossbreeding can alter the route birds take during migration. Ability of young birds to migrate without the help of older birds by following a course written in their genes; Migration of offspring in a direction midway between that taken by their parents; Migration pattern of German and Austrian blackcaps, Sylvia atricapilla.


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