UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                  SCHEDULE 13G

                   Under the Securities Exchange Act of 1934

                              (Amendment No.   1  )*
                                            ------

                   Startec Global Communications Corporation
   -------------------------------------------------------------------------
                                (Name of Issuer)

                                  Common Stock
   -------------------------------------------------------------------------
                         (Title of Class of Securities)


                                    85569E103
                       -----------------------------------
                                 (CUSIP Number)



                                December 31, 2001
             -------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)


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

                                [x] Rule 13d-1(b)
                                [_] Rule 13d-1(c)
                                [_] Rule 13d-1(d)


*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures 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 (however, see the
Notes).

                               Page 1 of 9 Pages



--------------------------------------               ---------------------------
                                           13G
CUSIP No.  85569E103                                     Page 2 of 9 Pages
           -------------------------
--------------------------------------               ---------------------------

--------------------------------------------------------------------------------
  1     NAME OF REPORTING PERSON
        S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

            Liberty Wanger Asset Management, L.P.  36-3820584


--------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

            Not Applicable                                  (a)  [_]

                                                            (b)  [_]
--------------------------------------------------------------------------------
        SEC USE ONLY
  3

--------------------------------------------------------------------------------
  4     CITIZENSHIP OR PLACE OF ORGANIZATION

            Delaware

--------------------------------------------------------------------------------
                       5    SOLE VOTING POWER

                                None

      NUMBER OF
                      ----------------------------------------------------------
                       6    SHARED VOTING POWER
       SHARES
                                498,000
    BENEFICIALLY

      OWNED BY        ----------------------------------------------------------
                       7    SOLE DISPOSITIVE POWER
        EACH

      REPORTING                 None

       PERSON         ----------------------------------------------------------
                       8    SHARED DISPOSITIVE POWER
        WITH

                                498,000

--------------------------------------------------------------------------------
  9     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

            498,000
--------------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

           Not Applicable                                             [_]

--------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

           3.0 %
--------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON*

           IA

--------------------------------------------------------------------------------

                      *SEE INSTRUCTION BEFORE FILLING OUT!



--------------------------------------               ---------------------------
                                           13G
CUSIP No.  85569E103                                     Page 3 of 9 Pages
           -------------------------
--------------------------------------               ---------------------------

--------------------------------------------------------------------------------
  1     NAME OF REPORTING PERSON
        S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

            WAM Acquisition GP, Inc.

--------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

            Not Applicable                                  (a)  [_]

                                                            (b)  [_]
--------------------------------------------------------------------------------
        SEC USE ONLY
  3

--------------------------------------------------------------------------------
  4     CITIZENSHIP OR PLACE OF ORGANIZATION

            Delaware

--------------------------------------------------------------------------------
                       5    SOLE VOTING POWER

                                None

      NUMBER OF
                      ----------------------------------------------------------
                       6    SHARED VOTING POWER
       SHARES
                                498,000
    BENEFICIALLY

      OWNED BY        ----------------------------------------------------------
                       7    SOLE DISPOSITIVE POWER
        EACH

      REPORTING                 None

       PERSON         ----------------------------------------------------------
                       8    SHARED DISPOSITIVE POWER
        WITH

                                498,000

--------------------------------------------------------------------------------
  9     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

            498,000
--------------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

           Not Applicable                                             [_]

--------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

           3.0 %
--------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON*

           CO

--------------------------------------------------------------------------------

                      *SEE INSTRUCTION BEFORE FILLING OUT!



Item 1(a)           Name of Issuer:

                           Startec Global Communications Corporation

Item 1(b)           Address of Issuer's Principal Executive Offices:


                           10411 Motor City Drive
                           Bethesda, MD 20817


Item 2(a)           Name of Person Filing:

                           Liberty Wanger Asset Management, L.P. ("WAM")
                           WAM Acquisition GP, Inc., the general partner of WAM
                           ("WAM GP")


Item 2(b)           Address of Principal Business Office:

                           WAM and WAM GP are all located at:

                           227 West Monroe Street, Suite 3000
                           Chicago, Illinois  60606


Item 2(c)           Citizenship:

                           WAM is a Delaware limited partnership; WAM GP is a
                           Delaware corporation.

Item 2(d)           Title of Class of Securities:

                           Common Stock

Item 2(e)           CUSIP Number:

                           85569E103

Item 3              Type of Person:

                           (e)    WAM is an Investment Adviser registered under
                                  section 203 of the Investment Advisers Act of
                                  1940; WAM GP is the General Partner of the
                                  Investment Adviser.

                               Page 4 of 9 Pages



Item 4        Ownership (at December 31, 2001):

                    (a)     Amount owned "beneficially" within the meaning of
                            rule 13d-3:

                            498,000

                    (b)     Percent of class:

                            3.0% (based on 16,554,156 shares outstanding as of
                            November 14, 2001)

                    (c)     Number of shares as to which such person has:

                                (i)  sole power to vote or to direct the vote:
                                     none

                               (ii)  shared power to vote or to direct the vote:
                                     498,000

                              (iii)  sole power to dispose or to direct the
                                     disposition of:  none

                               (iv)  shared power to dispose or to direct
                                     disposition of:  498,000


Item 5        Ownership of Five Percent or Less of a Class:

                    If this statement is being filed to report the fact that as
                    of the date hereof the reporting person has ceased to be the
                    beneficial owner of more than five percent of the class of
                    securities, check the following: [x]

Item 6        Ownership of More than Five Percent on Behalf of Another Person:

                    Not Applicable

Item 7        Identification and Classification of the Subsidiary Which Acquired
              the Security Being Reported on by the Parent Holding Company:

                    Not Applicable

Item 8        Identification and Classification of Members of the Group:

                    Not Applicable

Item 9        Notice of Dissolution of Group:

                    Not Applicable

                                Page 5 of 9 Pages



Item 10        Certification:

                        By signing below I certify that, to the best of my
               knowledge and belief, the securities referred to above were
               acquired and are held in the ordinary course of business and 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 6 of 9 Pages



                                   Signature
                                   ---------

         After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.

Date:  February 11, 2002


                      The undersigned corporation, on the date above written,
                      agrees and consents to the joint filing on its behalf of
                      this Schedule 13G in connection with its beneficial
                      ownership of the security reported herein.

                                  WAM Acquisition GP, Inc.
                                      for itself and as general partner of
                                      LIBERTY WANGER ASSET MANAGEMENT, L.P.



                                  By:  /s/ Bruce H. Lauer
                                       -----------------------------------------
                                           Bruce H. Lauer
                                           Senior Vice President and Secretary

                               Page 7 of 9 Pages



                                  Exhibit Index
                                  -------------

Exhibit 1              Joint Filing  Agreement dated as of February 11, 2002
                       between Liberty Wanger Asset Management, L.P. and WAM
                       Acquisition GP, Inc.

                               Page 8 of 9 Pages



                                                                       EXHIBIT 1

                             JOINT FILING AGREEMENT

         The undersigned hereby agree to the joint filing of the Schedule 13G to
which this Agreement is attached.

                    Dated:  February 11, 2002


                                 WAM Acquisition GP, Inc.
                                   for itself and as general partner of
                                   LIBERTY WANGER ASSET MANAGEMENT, L.P.



                                 By:  /s/ Bruce H. Lauer
                                      ------------------------------------------
                                          Bruce H. Lauer
                                          Senior Vice President and Secretary

                               Page 9 of 9 Pages