Species Profile
Environmental Conservation Online System

American alligator (Alligator mississippiensis)

Kingdom: Animalia
Class: Reptilia
Order: Crocodilia
Family: Alligatoridae

Listing Status:   

General Information

The American alligator is a large, semi-aquatic, armored reptile that is related to crocodiles. Their body alone ranges from 6 - 14 feet long. Almost black in color, the it has prominent eyes and nostrils with coarse scales over the entire body. It has a large, long head with visible upper teeth along the edge of the jaws. Its front feet have 5 toes, while rear feet have 4 toes that are webbed.

Lead Region:  Southeast Region (Region 4)
Date Listed: Jul 27, 1979

  • States/US Territories in which the American alligator is known to occur:  Alabama , Arkansas , Florida , Georgia , Louisiana , Mississippi , North Carolina , Oklahoma , South Carolina , Texas
  • For more information:  http://www.fws.gov/endangered/factsheets/alligator.pdf

» Federal Register Documents

Most Recent Federal Register Documents (Showing 5 of 30 : view all)
Date Citation Page Title
06/04/1987 52 FR 21059 21064 Reclassification of American Alligator to Thr. Due to Similarity of Appearance Throughout Remainder of its Range; 52 FR 21059-21064
06/02/1986 51 FR 19760 19963 Proposal to Reclassify Legal Status of American Alligator Throughout Remainder of its Range to Thr. Due to Similarity of Appearance; 51 FR 19760-19963
01/09/1986 51 FR 996 999 Findings on Pending Petitions & Description of Progress on Listing Actions; 51 FR 996-999
10/31/1985 50 FR 45407 45409 Special Rule on American Alligator; 50 FR 45407-45409
06/20/1985 50 FR 25672 25678 Reclassification of American Alligator in Florida to Thr. Due to Similarity of Appearance; 50 FR 25672-25678
Most Recent Special Rule Publications (Showing 5 of 10 : view all)
Date Citation Page Title
10/31/1985 50 FR 45407 45409 Special Rule on American Alligator; 50 FR 45407-45409
01/07/1985 50 FR 811 812 Export of American Alligators Taken in 1984-85 Harvest Seasons in Texas; Final Findings of Scientific & Mgmt. Authorities; 50 FR 811-812
10/23/1984 49 FR 42594 42597 Special Rule on American Alligator; 49 FR 42594-42597
12/04/1980 45 FR 80444 80448 Final Findings for Export of Bobcat, Lynx, River Otter, Alaskan Gray Wolf & Alaskan Brown Bear Taken in 80-81 Season
11/25/1980 45 FR 78153 78156 Revision of Special Rule on American Alligator

» Recovery

Recovery Plan Information Search
Other Recovery Documents (Showing 2 of 2 )
Date Citation Page Title Document Type
06/04/1987 52 FR 21059 21064 Reclassification of American Alligator to Thr. Due to Similarity of Appearance Throughout Remainder of its Range; 52 FR 21059-21064
  • Final Delisting, Recovered
  • Final Listing, Similarity of appearance - T
  • 06/02/1986 51 FR 19760 19963 Proposal to Reclassify Legal Status of American Alligator Throughout Remainder of its Range to Thr. Due to Similarity of Appearance; 51 FR 19760-19963
  • Proposed Delisting, Recovered
  • Proposed Listing, Similarity of appearance - T
  • » Critical Habitat

    No critical habitat rules have been published for the American alligator.

    » Conservation Plans

    No conservation plans have been created for American alligator

    » Petitions

    Most Recent Petition Findings (Showing 2 of 2 )
    Date Citation Page Title Finding
    01/09/1986 51 FR 996 999 Findings on Pending Petitions & Description of Progress on Listing Actions; 51 FR 996-999
  • Notice 12 month petition finding, Warranted but precluded
  • 04/02/1985 50 FR 13054 13055 Notice of Findings on 4 Petitions & of Review of 1 Species; 50 FR 13054- 13055
  • Notice 90-day Petition Finding, Substantial
  • Notice Notice of Review
  • » Life History

    No Life History information has been entered into this system for this species.

    » Other Resources

    NatureServe Explorer Species Reports -- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

    ITIS Reports -- ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.

    Last updated: November 21, 2009