Predation
Little is known about the predators of prototherians or how predation impacts prototherian populations. With their robust spines, echidnas are certainly well-protected from threats. To deter potential predators, echidnas erect their spines, roll into protected balls, or rapidly dig a hole or enter a crevice, exposing only their spines.
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Prototheria
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©1995-2012, The Regents of the University of Michigan and its licensors
© The Regents of the University of Michigan and its licensors
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Animal Diversity Web
Author: Phil Myers, Museum of Zoology, University of Michigan
Editor: Tanya Dewey, Animal Diversity Web, University of Michigan Museum of Zoology
Author: Matthew Wund, University of Michigan
Author: Anna Bess Sorin, University of Michigan, , 233 Life Sciences Bldg, Biology Dept., University of Memphis, Memphis, TN 38152
Wund, M.; A. Sorin and P. Myers . "Prototheria" (On-line), Animal Diversity Web. Accessed April 04, 2012 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Prototheria.html
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