SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C.  20549

                                 SCHEDULE 13G
                   Under the Securities Exchange Act of 1934

                                (AMENDMENT NO. 1)

                           GREAT WOLF RESORTS, INC.
-------------------------------------------------------------------------------
                               (Name of Issuer)


                   COMMON STOCK, PAR VALUE $0.01 PER SHARE
-------------------------------------------------------------------------------
                        (Title of Class of Securities)

                                  391523107
-------------------------------------------------------------------------------
                                (CUSIP Number)


                              DECEMBER 31, 2005
-------------------------------------------------------------------------------
            (Date of Event Which Requires Filing of this Statement)

Check the following box to designate the rule pursuant to which this Schedule is
filed:

      |_| Rule 13d-1(b)
      |X|  Rule 13d-1(c)
      |_| Rule 13d-1(d)

      * The remainder of this cover page shall be filled out for reporting
person's initial filings on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which would
alter the disclosure provided in a prior cover page.

      The information required in the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise subject to the liabilities of that section of
the Act but shall be subject to all other provisions of the Act.






                                  SCHEDULE 13G
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CUSIP NO. 391523107                                            PAGE 2 OF 9 PAGES
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--------------------------------------------------------------------------------
       NAME OF REPORTING PERSON

       Jason Ader

       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
  1
--------------------------------------------------------------------------------
       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP       (A) |_|
  2                                                           (B) |_|
--------------------------------------------------------------------------------

  3    SEC USE ONLY
--------------------------------------------------------------------------------
       CITIZENSHIP OR PLACE OF ORGANIZATION

  4    United States
--------------------------------------------------------------------------------
                                 SOLE VOTING POWER

        NUMBER OF         5      0
          SHARES                 -----------------------------------------------
       BENEFICIALLY              SHARED VOTING POWER
         OWNED BY
           EACH           6      2,498,650
        REPORTING                -----------------------------------------------
          PERSON                 SOLE DISPOSITIVE POWER
           WITH
                          7      0
                                 -----------------------------------------------
                                 SHARED DISPOSITIVE POWER

                             8   2,498,650
--------------------------------------------------------------------------------
       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  9    2,498,650
--------------------------------------------------------------------------------

  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES  |_|
--------------------------------------------------------------------------------
       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

  11   8.26%
--------------------------------------------------------------------------------
       TYPE OF REPORTING PERSON*

  12   IN
--------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!





                                  SCHEDULE 13G
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CUSIP NO. 391523107                                            PAGE 3 OF 9 PAGES
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--------------------------------------------------------------------------------
       NAME OF REPORTING PERSON

       Hayground Cove Asset Management LLC

       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) N/A
  1
--------------------------------------------------------------------------------
       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP       (A) |_|
  2                                                           (B) |_|
--------------------------------------------------------------------------------

  3    SEC USE ONLY
--------------------------------------------------------------------------------
       CITIZENSHIP OR PLACE OF ORGANIZATION

  4    Delaware
--------------------------------------------------------------------------------
                                 SOLE VOTING POWER

                           5     0
        NUMBER OF               ------------------------------------------------
          SHARES                SHARED VOTING POWER
       BENEFICIALLY
         OWNED BY          6     2,498,650
           EACH                  -----------------------------------------------
        REPORTING                SOLE DISPOSITIVE POWER
          PERSON
           WITH            7     0
                                 -----------------------------------------------
                                 SHARED DISPOSITIVE POWER

                           8     2,498,650
--------------------------------------------------------------------------------
       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  9    2,498,650
--------------------------------------------------------------------------------

  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES  |_|
--------------------------------------------------------------------------------
       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

  11   8.26%
--------------------------------------------------------------------------------
       TYPE OF REPORTING PERSON*

  12   HC
--------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!







                                  SCHEDULE 13G
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CUSIP NO. 391523107                                            PAGE 4 OF 9 PAGES
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--------------------------------------------------------------------------------
       NAME OF REPORTING PERSON

       Hayground Cove Fund Management LLC

       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) EIN:
       81-0587515
  1
--------------------------------------------------------------------------------
       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP       (A) |_|
  2                                                           (B) |_|
--------------------------------------------------------------------------------

  3    SEC USE ONLY
--------------------------------------------------------------------------------
       CITIZENSHIP OR PLACE OF ORGANIZATION

  4    Delaware
--------------------------------------------------------------------------------
                                 SOLE VOTING POWER

                          5      0
        NUMBER OF                -----------------------------------------------
          SHARES                 SHARED VOTING POWER
       BENEFICIALLY
         OWNED BY         6      2,498,650
           EACH                  -----------------------------------------------
        REPORTING                SOLE DISPOSITIVE POWER
          PERSON
           WITH           7      0
                                 -----------------------------------------------
                                 SHARED DISPOSITIVE POWER

                          8      2,498,650
--------------------------------------------------------------------------------
       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  9    2,498,650
--------------------------------------------------------------------------------

  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES  |_|
--------------------------------------------------------------------------------
       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

  11   8.26%
--------------------------------------------------------------------------------
       TYPE OF REPORTING PERSON*

  12   HC
--------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!






                                  SCHEDULE 13G
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CUSIP NO. 391523107                                           PAGE 5 OF 9 PAGES
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--------------------------------------------------------------------------------
       NAME OF REPORTING PERSON

       Hayground Cove Associates L.P.

       I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) EIN:
       81-0587520
1
--------------------------------------------------------------------------------
       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP       (A) |_|
  2                                                           (B) |_|
--------------------------------------------------------------------------------

  3    SEC USE ONLY
--------------------------------------------------------------------------------
       CITIZENSHIP OR PLACE OF ORGANIZATION

  4    Delaware
--------------------------------------------------------------------------------
                                    SOLE VOTING POWER

        NUMBER OF             5     0
          SHARES                    --------------------------------------------
       BENEFICIALLY                 SHARED VOTING POWER
         OWNED BY
           EACH               6     2,265,700
        REPORTING                   --------------------------------------------
          PERSON                    SOLE DISPOSITIVE POWER
           WITH
                              7     0
                                    --------------------------------------------
                                    SHARED DISPOSITIVE POWER

                              8     2,265,700
--------------------------------------------------------------------------------
       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  9    2,265,700
--------------------------------------------------------------------------------

  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES  |_|
--------------------------------------------------------------------------------
       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

  11   7.49%
--------------------------------------------------------------------------------
       TYPE OF REPORTING PERSON*

  12   HC
--------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!







                                                               PAGE 6 OF 9 PAGES

ITEM 1(A).  NAME OF ISSUER:

         This statement on Schedule 13G (this "Statement") relates to securities
         issued by Great Wolf Resorts, Inc. (the "Issuer").

ITEM 1(B).  ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:

         The principal executive office of the Issuer is 122 West Washington
         Avenue, Madison, Wisconson 53702.

ITEM 2(A).  NAME OF PERSON FILING:

         This Statement is being filed by (i) Jason Ader, an individual; (ii)
         Hayground Cove Asset Management LLC, a Delaware limited liability
         company ("HCAM"); (iii) Hayground Cove Fund Management LLC, a Delaware
         limited liability company ("HCFM"); and (iv) Hayground Cove Associates
         LP, a Delaware limited partnership ("HCA" and, together with Mr. Ader,
         HCAM and HCFM, the "Reporting Persons").

ITEM 2(B).  ADDRESS OF PRINCIPAL BUSINESS OFFICE:

         The principal business address and principal office address of each of
         the Reporting Persons is 1370 6th Avenue, New York, New York 10019.

ITEM 2(C).  CITIZENSHIP:

         Mr. Ader is a United States citizen.

ITEM 2(D).  TITLE OF CLASS OF SECURITIES:

         This Statement relates to common stock, $0.01 par value per share of
         the Issuer (the "Common Stock").

ITEM 2(E).  CUSIP NUMBER:

         The CUSIP number relating to the Common Stock is 391523107.

ITEM 3.  IF THIS STATEMENT IS FILED PURSUANT TO SS.SS.240.13D-1(B) OR
         240.13D-2(B) OR (C), CHECK WHETHER THE PERSON FILING IS A:

         Not applicable.





                                                               PAGE 7 OF 9 PAGES

ITEM 4.  OWNERSHIP:

         (A)  AMOUNT BENEFICIALLY OWNED:

         As of December 31, 2005, each of Mr. Ader, HCAM and HCFM beneficially
         owned 2,498,650 shares of Common Stock and HCA beneficially owned
         2,265,700 shares of Common Stock.

         The Reporting Persons indirectly hold their shares of Common Stock. Mr.
         Ader is the sole member of HCAM, which in turn is the managing member
         of HCFM. In addition, HCFM serves as general partner of (i) certain
         Delaware limited partnership funds and (ii) HCA, an investment manager
         that provides investment and advisory services to certain offshore
         entities and individually managed accounts (the limited partnership
         funds, offshore entities and managed accounts collectively, the "Client
         Funds"). None of the Client Funds is deemed to be a reporting person.

         (B)   PERCENT OF CLASS:

         As of December 31, 2005, each of Mr. Ader, HCAM and HCFM beneficially
         owned 8.26% of the issued and outstanding shares of Common Stock and
         HCA beneficially owned 7.49% of the issued and outstanding shares of
         Common Stock.

         (C) NUMBER OF SHARES AS TO WHICH THE REPORTING PERSON HAS:

         As of December 31, 2005, each of Mr. Ader, HCAM and HCFM had the power
         to vote and to dispose of shares of Common Stock as follows:

            (i)    Sole power to vote or to direct the vote: -0-
            (ii)   Shared power to vote or to direct the vote: 2,498,650
            (iii)  Sole power to dispose or to direct the disposition of: -0-
            (iv)   Shared power to dispose or to direct the disposition of:
                   2,498,650

         As of December 31, 2005, HCA had the power to vote and to dispose of
         shares of Common Stock as follows:

            (i)    Sole power to vote or to direct the vote: -0-
            (ii)   Shared power to vote or to direct the vote: 2,265,700
            (iii)  Sole power to dispose or to direct the disposition of: -0-
            (iv)   Shared power to dispose or to direct the disposition of:
                   2,265,700





                                                               PAGE 8 OF 9 PAGES

ITEM 5.  OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS:

         Not applicable.

ITEM 6.  OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON:

         Except as stated elsewhere in Item 4 of this Statement, no other person
         has the right to receive or the power to direct the receipt of
         dividends from, or the proceeds from the sale of, the shares of Common
         Stock indirectly owned by the Reporting Persons.

ITEM 7.  IDENTIFICATION  AND  CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED
         THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY OR CONTROL
         PERSON:

         Not applicable.

ITEM 8.  IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP:

         See the Joint Filing Agreement among the Reporting Persons attached
         hereto as Exhibit A.

ITEM 9.  NOTICE OF DISSOLUTION OF GROUP:

         Not applicable.

ITEM 10. CERTIFICATIONS:

         By signing below I certify that, to the best of my knowledge and
         belief, the securities referred to above were not acquired and are not
         held for the purpose of or with the effect of changing or influencing
         the control of the issuer of the securities and were not acquired and
         are not held in connection with or as a participant in any transaction
         having that purpose or effect.





                                                               PAGE 9 OF 9 PAGES

                                    SIGNATURE

      After reasonable inquiry and to the best of the undersigned's knowledge
and belief, the undersigned certify that the information set forth in this
Statement is true, complete and correct.

Dated:  February 15, 2006

                              By: /S/ JASON ADER
                                  -----------------------------------------
                                  Jason Ader

                              HAYGROUND COVE ASSET MANAGEMENT LLC

                              By: /S/ JASON ADER
                                  -----------------------------------------
                                  Jason Ader
                                  Sole Member

                              HAYGROUND COVE FUND MANAGEMENT LLC

                              By: Hayground Cove Asset Management LLC,
                                  its Managing Member

                                  By: /S/ JASON ADER
                                      -------------------------------------
                                      Jason Ader
                                      Sole Member

                              HAYGROUND COVE ASSOCIATES L.P.

                              By: Hayground Cove Fund Management LLC,
                                  its General Partner

                                   By: Hayground Cove Asset Management LLC,
                                       its Managing Member

                               By: /S/ JASON ADER
                                   ----------------------------------------
                                   Jason Ader
                                   Sole Member




                                                                       EXHIBIT A

                                FILING AGREEMENT
                               BETWEEN JASON ADER,
                      HAYGROUND COVE ASSET MANAGEMENT LLC,
                     HAYGROUND COVE FUND MANAGEMENT LLC AND
                         HAYGROUND COVE ASSOCIATES L.P.

      The undersigned hereby agree that the Schedule 13G with respect to the
Common Stock, $0.01 par value, of Great Wolf Resorts, Inc., dated as of even
date herewith is and shall be filed on behalf of each of us pursuant to and in
accordance with the provisions of Rule 13d-1(k)(1) under the Securities Exchange
Act of 1934, as amended.

Dated:  February 15, 2006

                              By: /S/ JASON ADER
                                  -----------------------------------------
                                  Jason Ader

                              HAYGROUND COVE ASSET MANAGEMENT LLC

                              By: /S/ JASON ADER
                                  -----------------------------------------
                                  Jason Ader
                                  Sole Member

                              HAYGROUND COVE FUND MANAGEMENT LLC

                              By: Hayground Cove Asset Management LLC,
                                  its Managing Member

                                  By: /S/ JASON ADER
                                      -------------------------------------
                                      Jason Ader
                                      Sole Member

                              HAYGROUND COVE ASSOCIATES L.P.

                              By: Hayground Cove Fund Management LLC,
                                  its General Partner

                                   By: Hayground Cove Asset Management LLC,
                                       its Managing Member

                                       By:/S/ JASON ADER
                                          ---------------------------------
                                          Jason Ader
                                          Sole Member