SC 13D/A
                       Amendment Number 12 to Schedule 13D

                                                     Page 1 of 11 Pages

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

                                  SCHEDULE 13D

                    Under the Securities Exchange Act of 1934
                               (Amendment No. 12)*

                            SAGA COMMUNICATIONS, INC.
              -----------------------------------------------------
                                (Name of Issuer)

                              COMMON STOCK, CLASS A
              -----------------------------------------------------
                         (Title of Class of Securities)

                                    786598102
              -----------------------------------------------------
                                 (CUSIP Number)

                     Linda S. Martinson, Esq. (212) 583-2000
                767 Fifth Avenue, 49th Floor, New York, NY 10153
              -----------------------------------------------------
                  (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)


              -----------------------------------------------------
             (Date of Event which Requires Filing of this Statement)

If the filing person has previously  filed a statement on Schedule 13G to report
the  acquisition  which is the subject of this  Schedule 13D, and is filing this
schedule because of Rule 13d-1(b)(3) or (4), check the following box [ ].

Check the following  box if a fee is being paid with this  statement [ ]. (A fee
is not required only if the filing person:  (1) has a previous statement on file
reporting  beneficial  ownership  of more  than  five  percent  of the  class of
securities  described  in Item 1;  and (2) has  filed  no  amendment  subsequent
thereto reporting  beneficial  ownership of five percent or less of such class.)
(See Rule 13d-7.)

*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
disclosures provided in a prior cover page.

The information required on 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).


                                                    SEC 1746 (12-91)

Amendment Number 12 to Schedule 13D (continued) CUSIP No. 786598102 Page 2 of 11 Pages - ------------------------------------------------------------------------------ 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Baron Capital Group, Inc. - ------------------------------------------------------------------------------ 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------------------------------------------------------------------------------ 3 SEC USE ONLY - ------------------------------------------------------------------------------ 4 SOURCE OF FUNDS OO - ------------------------------------------------------------------------------ 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(C) OR 2(E) [ ] - ------------------------------------------------------------------------------ 6 CITIZENSHIP OR PLACE OF ORGANIZATION - ------------------------------------------------------------------------------ NUMBER OF 7 SOLE VOTING POWER SHARES 757,365 BENEFICIALLY ------------------------------------------------------------ OWNED BY 8 SHARED VOTING POWER EACH 5,690,924 REPORTING ------------------------------------------------------------ PERSON 9 SOLE DISPOSITIVE POWER WITH 757,365 ------------------------------------------------------------ 10 SHARED DISPOSITIVE POWER 5,690,924 - ----------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 6,448,289 - ------------------------------------------------------------------------------ 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES* - ------------------------------------------------------------------------------ 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 44.1% - ------------------------------------------------------------------------------ 14 TYPE OF REPORTING PERSON* HC, CO - ------------------------------------------------------------------------------ *SEE INSTRUCTIONS BEFORE FILLING OUT

Amendment Number 12 to Schedule 13D (continued) CUSIP No. 786598102 Page 3 of 11 Pages - ----------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON BAMCO, Inc. - ------------------------------------------------------------------------------ 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------------------------------------------------------------------------------ 3 SEC USE ONLY - ------------------------------------------------------------------------------ 4 SOURCE OF FUNDS OO - ------------------------------------------------------------------------------ 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(C) OR 2(E) [ ] - ------------------------------------------------------------------------------ 6 CITIZENSHIP OR PLACE OF ORGANIZATION - ------------------------------------------------------------------------------ NUMBER OF 7 SOLE VOTING POWER SHARES BENEFICIALLY ------------------------------------------------------------- OWNED BY 8 SHARED VOTING POWER EACH 4,384,753 REPORTING ------------------------------------------------------------- PERSON 9 SOLE DISPOSITIVE POWER WITH ------------------------------------------------------------- 10 SHARED DISPOSITIVE POWER 4,384,753 - ------------------------------------------------------------------------------ 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 4,384,753 - ------------------------------------------------------------------------------ 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES* - ------------------------------------------------------------------------------ 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 30.0% - ------------------------------------------------------------------------------ 14 TYPE OF REPORTING PERSON* IA, CO - ------------------------------------------------------------------------------ *SEE INSTRUCTIONS BEFORE FILLING OUT

Amendment Number 12 to Schedule 13D (continued) CUSIP No. 786598102 Page 4 of 11 Pages - ------------------------------------------------------------------------------ 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Baron Capital Management, Inc. - ------------------------------------------------------------------------------ 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------------------------------------------------------------------------------ 3 SEC USE ONLY - ------------------------------------------------------------------------------ 4 SOURCE OF FUNDS OO - ------------------------------------------------------------------------------ 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(C) OR 2(E) [ ] - ------------------------------------------------------------------------------ 6 CITIZENSHIP OR PLACE OF ORGANIZATION - ------------------------------------------------------------------------------ NUMBER OF 7 SOLE VOTING POWER SHARES 757,365 BENEFICIALLY ------------------------------------------------------------- OWNED BY 8 SHARED VOTING POWER EACH 1,306,170 REPORTING ------------------------------------------------------------- PERSON 9 SOLE DISPOSITIVE POWER WITH 757,365 ------------------------------------------------------------- 10 SHARED DISPOSITIVE POWER 1,306,170 - ------------------------------------------------------------------------------ 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,063,535 - ------------------------------------------------------------------------------ 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES* - ------------------------------------------------------------------------------ 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 14.1% - ------------------------------------------------------------------------------ 14 TYPE OF REPORTING PERSON* IA, CO - ------------------------------------------------------------------------------ *SEE INSTRUCTIONS BEFORE FILLING OUT

Amendment Number 12 to Schedule 13D (continued) CUSIP No. 786598102 Page 5 of 11 Pages - ------------------------------------------------------------------------------ 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Baron Asset Fund - ------------------------------------------------------------------------------ 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------------------------------------------------------------------------------ 3 SEC USE ONLY - ------------------------------------------------------------------------------ 4 SOURCE OF FUNDS OO - ------------------------------------------------------------------------------ 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(C) OR 2(E) [ ] - ------------------------------------------------------------------------------ 6 CITIZENSHIP OR PLACE OF ORGANIZATION - ------------------------------------------------------------------------------ NUMBER OF 7 SOLE VOTING POWER SHARES BENEFICIALLY ------------------------------------------------------------- OWNED BY 8 SHARED VOTING POWER EACH 3,664,753 REPORTING ------------------------------------------------------------- PERSON 9 SOLE DISPOSITIVE POWER WITH ------------------------------------------------------------- 10 SHARED DISPOSITIVE POWER 3,664,753 - ------------------------------------------------------------------------------ 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 3,664,753 - ------------------------------------------------------------------------------ 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES* - ------------------------------------------------------------------------------ 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 25.1% - ------------------------------------------------------------------------------ 14 TYPE OF REPORTING PERSON* IV, OO - ------------------------------------------------------------------------------ *SEE INSTRUCTIONS BEFORE FILLING OUT

Amendment Number 12 to Schedule 13D (continued) CUSIP No. 786598102 Page 6 of 11 Pages - ------------------------------------------------------------------------------ 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Ronald Baron - ------------------------------------------------------------------------------ 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------------------------------------------------------------------------------ 3 SEC USE ONLY - ------------------------------------------------------------------------------ 4 SOURCE OF FUNDS OO - ------------------------------------------------------------------------------ 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(C) OR 2(E) [ ] - ------------------------------------------------------------------------------ 6 CITIZENSHIP OR PLACE OF ORGANIZATION USA - ------------------------------------------------------------------------------ NUMBER OF 7 SOLE VOTING POWER SHARES 757,365 BENEFICIALLY ------------------------------------------------------------- OWNED BY 8 SHARED VOTING POWER EACH 5,690,924 REPORTING ------------------------------------------------------------- PERSON 9 SOLE DISPOSITIVE POWER WITH 757,924 ------------------------------------------------------------- 10 SHARED DISPOSITIVE POWER 5,690,924 - ------------------------------------------------------------------------------ 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 6,448,289 - ------------------------------------------------------------------------------ 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES* - ------------------------------------------------------------------------------ 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 44.1% - ----------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON* IN - ------------------------------------------------------------------------------ *SEE INSTRUCTIONS BEFORE FILLING OUT

Page 7 of 11 Pages Item 1. Security and Issuer (a) Name of Issuer: Saga Communications, Inc. (b) Address of Issuer's Principal Executive Offices: 73 Kercheval Avenue Grosse Pointe Farms, MI 48236 (c) Title and Class of Securities: Class A Item 2. Identity and Background (a) Name: Baron Capital Group, Inc. ("BCG") BAMCO, Inc. ("BAMCO") Baron Capital Management, Inc. ("BCM") Baron Asset Fund ("BAF") Ronald Baron (b) Business Address: 767 Fifth Avenue New York, NY 10153 (c) Present Principal Business or Employment: BCG: Holding company BAMCO: Investment adviser BCM: Investment adviser BAF: Registered investment company Ronald Baron: President: BCG, BAMCO, BCM; CEO of BAF 767 Fifth Avenue New York, NY 10153 (d) Record of Convictions: No material change. (e) Record of Civil Proceedings: No material change. (f) Citizenship: No material change. Item 3. Source and Amount of Funds or Other Consideration Reporting Person does not own any shares of the Issuer directly. BAMCO directed the purchase of 4,384,753 shares of the Issuer for its investment advisory clients for an aggregate purchase price of $39,510,939. Of those shares, 3,664,753 were purchased for the account of BAF for a total price of $30,894,777. BCM directed the purchase of 1,306,170 shares of the Issuer for its investment advisory clients for an aggregate purchase price of $16,523,604 and 757,365 shares of the Issuer for an investment partnership for an aggregate price of $11,837,847. All of the shares were paid for by cash assets in the respective clients' accounts and/or by margin borrowings pursuant to standard margin agreements.

Page 8 of 11 Pages Item 4. Purpose of Transaction No material change. Item 5. Interest in Securities of the Issuer (a) Amount and percentage beneficially owned*: BCG: 6,448,289 44.1% BAMCO: 4,384,753 30.0% BCM: 2,063,535 14.1% BAF: 3,664,753 25.1% Ronald Baron: 6,448,289 44.1% (b) Number of shares as to which such person has: (i) sole power to vote or direct the vote: BCG: 757,365 BAMCO: 0 BCM: 757,365 BAF: 0 Ronald Baron: 757,365 (ii) shared power to vote or direct the vote: BCG: 5,690,924 BAMCO: 4,384,753 BCM: 1,306,170 BAF: 3,664,753 Ronald Baron: 5,690,924 (iii) sole power to dispose or to direct the disposition: BCG: 757,365 BAMCO: 0 BCM: 757,365 BAF: 0 Ronald Baron: 757,365 (iv) shared power to dispose or direct the disposition: BCG: 5,690,924 BAMCO: 4,384,753 BCM: 1,306,170 BAF: 3,664,753 Ronald Baron: 5,690,924 *Reporting Persons may be deemed to share power to vote and dispose of shares referred to herein as a result of control relationships (BCG and Ronald Baron with respect to all of the shares; BAMCO with respect to the BAF shares) and pursuant to investment advisory relationships with advisory clients. Reporting Persons disclaim beneficial ownership of the shares for which they share power. #The percentages reported are with respect to Class A stock only, which has one vote per share. The Issuer's Class B stock has 10 votes per share, making the total combined voting percentage for the Registrants hereunder equal to 19.2 of the combined voting classes of the Issuer's outstanding voting securities. (c) A schedule of transactions effected in the last sixty days is attached hereto.

Page 9 of 11 Pages (d) Ownership of More than Five Percent on Behalf of Another Person: No material change. (e) Ownership of Less than Five Percent: Not applicable. Item 6. Contracts, Arrangements, Understandings or Relationships with Respect to Securities of the Issuer No material change. Item 7. Material to be Filed as Exhibits Exhibit 99 - 60 days of trading. 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: April 26, 2001 Baron Capital Group, Inc., BAMCO, Inc., Baron Capital Management, Inc. and Baron Asset Fund By: /s/ Ronald Baron _______________________________________ Ronald Baron, Chairman and CEO

TRANSACTION SCHEDULE
FROM 02/26/01 TO 04/25/01

                                              EXECUTED
DATE          ACCOUNT    TRANS   QUANTITY     PRICE

03-20-01      bcm        buy        1,000     15.4500
03-20-01      bcm        buy        5,300     15.0000
03-20-01      bamco      buy        4,100     15.4500
03-20-01      bamco      buy       20,800     15.0000
03-20-01      bcm        buy          700     15.4500
03-20-01      bcm        buy        3,500     15.0000
03-20-01      bcm        buy          300     15.4500
03-20-01      bcm        buy        1,800     15.0000
03-20-01      bcm        buy          100     15.4500
03-20-01      bcm        buy          400     15.0000
03-20-01      bcm        buy          700     15.4500
03-20-01      bcm        buy        3,500     15.0000
03-20-01      bcm        buy          600     15.4500
03-20-01      bcm        buy        3,200     15.0000
03-21-01      bamco      buy        3,300     14.6088
03-21-01      bcm        buy        2,000     15.1567
03-21-01      bcm        buy        1,100     14.6088
03-21-01      bamco      buy        8,200     15.1567
03-21-01      bamco      buy        4,400     14.6088
03-21-01      bcm        buy        1,400     15.1567
03-21-01      bcm        buy          700     14.6088
03-21-01      bcm        buy          700     15.1567
03-21-01      bcm        buy          400     14.6088
03-21-01      bcm        buy          100     15.1567
03-21-01      bcm        buy          100     14.6088
03-21-01      bcm        buy        1,400     15.1567
03-21-01      bcm        buy          700     14.6088
03-21-01      bcm        buy        1,200     15.1567
03-21-01      bcm        buy          700     14.6088
03-22-01      bamco      buy        1,000     14.7000
03-22-01      bcm        buy          300     14.7000
03-22-01      bamco      buy        1,400     14.7000
03-22-01      bcm        buy          200     14.7000
03-22-01      bcm        buy          100     14.7000
03-22-01      bcm        buy          200     14.7000
03-22-01      bcm        buy          200     14.7000
03-27-01      bamco      buy        4,100     15.2393
03-27-01      bcm        buy        1,400     15.2393
03-27-01      bamco      buy        3,000     15.2393
03-27-01      bcm        buy          900     15.2393
03-27-01      bcm        buy          500     15.2393
03-27-01      bcm        buy          900     15.2393
03-27-01      bcm        buy          900     15.2393
03-28-01      bamco      buy          900     15.3400
03-28-01      bcm        buy          300     15.3400
03-28-01      bamco      buy          600     15.3400
03-28-01      bcm        buy          200     15.3400
03-28-01      bcm        buy          100     15.3400
03-28-01      bcm        buy          200     15.3400
03-28-01      bcm        buy          200     15.3400
03-29-01      bamco      buy        8,800     15.2500
03-29-01      bamco      buy        1,500     15.2726
03-29-01      bcm        buy        3,000     15.2500
03-29-01      bcm        buy        2,300     15.2726
03-29-01      bamco      buy        6,300     15.2500
03-29-01      bamco      buy       16,400     15.2726
03-29-01      bcm        buy        2,000     15.2500
03-29-01      bcm        buy        4,200     15.2726
03-29-01      bcm        buy          900     15.2500
03-29-01      bcm        buy          200     15.2726
03-29-01      bcm        buy          300     15.2500
03-29-01      bcm        buy        2,000     15.2500
03-29-01      bcm        buy          300     15.2726
03-29-01      bcm        buy        1,700     15.2500
03-29-01      bcm        buy          200     15.2726
03-30-01      bamco      buy          300     15.5000
03-30-01      bcm        sell       9,451     16.5000
04-05-01      bamco      buy          100     15.7339
04-05-01      bcm        buy          200     15.7339
04-05-01      bamco      buy        2,400     15.7500
04-05-01      bamco      buy       14,800     15.7339
04-05-01      bcm        buy          100     15.7500
04-05-01      bcm        buy          400     15.7339
04-06-01      bamco      buy          200     15.3269
04-06-01      bcm        buy          400     15.3269
04-06-01      bamco      buy       18,400     15.3269
04-06-01      bcm        buy          500     15.3269
04-09-01      bcm        sell         472     15.2500
04-10-01      bamco      buy          100     15.0600
04-10-01      bcm        sell       2,000     15.3000
04-11-01      bamco      buy          100     15.3942
04-11-01      bcm        buy          100     15.3942
04-11-01      bamco      buy        4,700     15.3942
04-11-01      bcm        buy          100     15.3942
04-11-01      bcm        buy          100     15.3942
04-11-01      bcm        buy          100     15.3942
04-12-01      bamco      buy          100     15.5500
04-16-01      bamco      buy        4,000     16.0000
04-16-01      bcm        buy          100     16.0000
04-17-01      bcm        buy        4,894     15.5204