Report SFRC-83/01 Status of the Eastern Indigo Snake in Southern Florida National Parks and Vicinity
Report SFRC-83/01 Status of the Eastern Indigo Snake in Southern Florida National Parks and Vicinity NATIONAL b lb -a'*? m ..-.. # .* , *- ,... - . ,--.-,, , . LG LG - m,*.,*,*, Or 7°C ,"7cn,a. Q*Everglades National Park, South Florida Research Center, P.O.Box 279, Homestead, Florida 33030 TABLE OF CONTENTS Page INTRODUCTION ........................... 1 STUDYAREA ............................ 1 METHODS .............................. 3 RESULTS .............................. 4 Figure 1. Distribution of the indigo snake in southern Florida ..... 5 Figure 2 . Distribution of the indigo snake in the Florida Keys including Biscayne National Park ............. 6 DISCUSSION ............................. 10 ACKNOWLEDGEMENTS ........................ 13 LITERATURE CITED ......................... 14 APPENDIX 1. Observations of indigo snakes in southern Florida ....... 17 APPENDIX 2 . Data on indigo snakes examined in and adjacent to Everglades National Park ................. 24 APPENDIX 3. Museum specimens of indigo snakes from southern Florida ... 25 4' . Status of the Eastern Indigo Snake in Southern Florida National Parks and Vicinity Report ~F~~-83/01 Todd M. Steiner, Oron L. Bass, Jr., and James A. Kushlan National Park Service South Florida Research Center Everglades National Park Homestead, Florida 33030 January 1983 Steiner, Todd M., Oron L. Bass, Jr., and James A. Kushlan. 1983. Status of the Eastern Indigo Snake in Southern Florida National Parks and Vicinity. South Florida Research Center Report SFRC- 83/01. 25 pp. INTRODUCTION The status and biology of the eastern indigo snake, Drymarchon corais couperi, the largest North American snake (~awler,1977), is poorly understood. Destruction of habitat and exploitation by the pet trade have reduced its population levels in various localities to the point that it is listed by the Federal government as a threatened species.
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