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History
Uses
Homing abilities can be used to find the way back to home in a migration. It is often used in reference to going back to a breeding spot seen years before, as in the case of Salmon. Homing abilities can also be used to go back to familiar territory when displaced over long distances, such as with the Red-bellied newt.
Magnetic orientation
Many animals use magnetic orientation to find their way home. This is usually used together with other methods, such as a sun compass, as in the case of pigeons and turtles. This is also commonly used when no other methods are available. As in the case of lobsters,Lohmann, K., Pentcheff, N., Nevitt, G., Stetten, G., Zimmer-Faust, R., Jarrard H., and Boles, L., (1995) Magnetic orientation of spiny lobsters in the ocean: experiments with undersea coil systems The Journal of Experimental Biology 198(10); pg. 2041-2048 which live underwater, and mole rats,Kimchi, T., and Terkel, J., (2001) Magnetic compass orientation in the blind mole rat Spalax ehrenbergi The Journal of Experimental Biology 204(4); pg. 751-758 which live underground.
Celestial orientation
Celestial orientation, navigation using the stars, is commonly used for homing. Displaced Marbled Newts, for example, can only home when stars are visible.Diego-Rasilla, J., and Luengo, R., (2002) Journal of Ethology 20(1):137-141
Topographic memory
Topographic memory, memory of the contours surrounding the destination, is one common method for navigation. This is mainly used my animals with less intelligence, such as molluscs. Limpets use this to find their way back to the home scrape. Whether this is true homing, in the limpet's case, has been disputed.Villee, C., and Groody, T., (1940) American Midland Naturalist; 24(1):190-204
References
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