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Tadpoles of the United States and Canada: a tutorial and key

http://www.pwrc.usgs.gov/tadpole/

Key and tutorial to identify species of tadpoles from North America with color photographs.

by Altig, Ronald; McDiarmid, Roy W.; Nichols, Kimberly A.; Ustach, Paul C.; and Patuxent Wildlife Research Center (Sponsor)
Related topics:
Amphibians, Herpetology, Metamorphosis, Systematics and taxonomy
States or counties
Canada, United States

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