Alligator mississippiensis
Alligator mississippiensis
(American alligator)
Reptiles-Crocodilians
Native Transplant
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3 results for Alligator mississippiensis (American alligator)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
271995 ILCookChicago River, near the Belmont Avenue bridge2010 07120003 Chicagofailed
1548399 ILCookHumboldt Park, Chicago, IL2019 07120003 Chicagofailed
271798 ILCookSouth Fork of the South Branch of the Chicago River (Bubbly Creek) near the Racine Avenue pumping station.2008 07120003 Chicagofailed

Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.

Disclaimer:

The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2021]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [3/8/2021].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted. For queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.