In response to their strikingly similar coloration, we tested for a mimetic relationship between Notophthalmus viridescens louisianensis (Central Newt) and Macrobdella diplotertia (Ozark Highlands leech). Early observations took place in a south-central Missouri woodland pond. Later, feeding experiments involving ducks, geese, and native fishes were conducted. Our results support a mimetic relationship between these 2 species that is not a simple classification. More in-depth study may be needed to elucidate the true nature of this relationship.
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1 March 2008
A Complex Mimetic Relationship Between the Central Newt and Ozark Highlands Leech
Malcolm L. McCallum,
Stacy Beharry,
Stanley E. Trauth
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