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Species Summary

Tern, Greater Crested (Thalasseus bergii)

Ref	Site code	Season	Date	Count	IBA	Subregional IBA	RAMSAR
91004	34051831	O	1983-10-15	3
91005	34051831	O	1983-11-15	10
91006	34051831	O	1983-12-15	11
91007	34051831	O	1984-01-15	82
91008	34051831	S	1984-02-15	109
91009	34051831	O	1984-03-15	10
91010	34051831	O	1984-04-15	5
91011	34051831	O	1984-05-15	1
91012	34051831	O	1984-06-15	18
91013	34051831	W	1984-07-15	1
91014	34051831	O	1984-08-15	40
91015	34051831	O	1984-09-15	19
91016	34051831	O	1984-10-15	2
91017	34051831	O	1984-11-15	16
91018	34051831	O	1984-12-15	30
91019	34051831	O	1985-01-15	283		250	200
91020	34051831	S	1985-02-15	72
91021	34051831	O	1985-03-15	25
91023	34051831	O	1985-06-15	7
91024	34051831	W	1985-07-15	4
91027	34051831	O	1985-10-15	16
91028	34051831	O	1985-11-15	5
91029	34051831	O	1985-12-15	6
91030	34051831	O	1986-01-15	92
91031	34051831	S	1986-02-15	177
91032	34051831	O	1986-03-15	154
91035	34051831	W	1986-06-15	1
91038	34051831	O	1986-09-15	36
91039	34051831	O	1986-10-15	192
91040	34051831	O	1986-11-15	47
91041	34051831	O	1986-12-15	19
91042	34051831	O	1987-01-15	505	500	250	200
91043	34051831	S	1987-02-15	4
91044	34051831	O	1987-03-15	33
91045	34051831	O	1987-04-15	3
91046	34051831	O	1987-05-15	3
91047	34051831	O	1987-06-15	5
91048	34051831	W	1987-07-15	6
91049	34051831	O	1987-08-15	3
91050	34051831	O	1987-09-15	61
91051	34051831	O	1987-10-15	187
91052	34051831	O	1987-11-15	69
91053	34051831	O	1987-12-15	21
91054	34051831	O	1988-01-15	41
91055	34051831	S	1988-02-15	27
91056	34051831	O	1988-03-15	165
91057	34051831	O	1988-04-15	15
91058	34051831	O	1988-05-15	2
91059	34051831	O	1988-06-15	3
91060	34051831	W	1988-07-15	3
91061	34051831	O	1988-08-15	2
91063	34051831	O	1988-10-15	119
91064	34051831	O	1988-11-15	61
91065	34051831	O	1988-12-15	2
91066	34051831	O	1989-01-15	15
91067	34051831	S	1989-02-15	260		250	200
91068	34051831	O	1989-03-15	2
91069	34051831	O	1989-04-15	4
91070	34051831	O	1989-05-15	3
91071	34051831	O	1989-06-15	11
91074	34051831	O	1989-09-15	20
91075	34051831	O	1989-10-15	10
91076	34051831	O	1989-11-15	1
91077	34051831	O	1989-12-15	233			200
91078	34051831	O	1990-01-15	268		250	200
91079	34051831	S	1990-02-15	3
91080	34051831	O	1990-03-15	66
91081	34051831	O	1990-04-15	2
91082	34051831	O	1990-05-15	2
91083	34051831	O	1990-06-15	2
91084	34051831	W	1990-07-15	1
91086	34051831	O	1990-09-15	6
91087	34051831	O	1990-10-15	194
91089	34051831	O	1990-12-15	100
91090	34051831	O	1991-01-15	452		250	200
91091	34051831	S	1991-02-15	204			200
91092	34051831	O	1991-03-15	30
91093	34051831	O	1991-04-15	62
91094	34051831	O	1991-05-15	20
91095	34051831	O	1991-06-15	5
91099	34051831	O	1991-10-15	42
91100	34051831	O	1991-11-15	13
91101	34051831	O	1991-12-15	753	500	250	200
91103	34051831	S	1992-02-15	22
91104	34051831	O	1992-03-15	32
91105	34051831	O	1992-04-15	17
91106	34051831	O	1992-05-15	16
91110	34051831	O	1992-09-15	3
91111	34051831	O	1992-10-15	34
91112	34051831	O	1992-11-15	846	500	250	200
91113	34051831	O	1992-12-15	3
161	34051831	S	1993-01-15	3
91115	34051831	S	1993-02-15	5
91118	34051831	O	1993-05-15	47
91119	34051831	O	1993-06-15	33
253	34051831	W	1993-07-15	16
91122	34051831	O	1993-09-15	15
91123	34051831	O	1993-10-15	48
91124	34051831	O	1993-11-15	169
91125	34051831	O	1993-12-15	3
259	34051831	S	1994-01-09	31
91127	34051831	S	1994-02-15	577	500	250	200
91128	34051831	O	1994-03-12	15
91130	34051831	O	1994-05-14	8
358	34051831	W	1994-07-09	32
91133	34051831	W	1994-08-14	30
91134	34051831	O	1994-09-10	152
91135	34051831	O	1994-10-09	263		250	200
91136	34051831	O	1994-11-12	277		250	200
91137	34051831	O	1994-12-11	4
451	34051831	S	1995-01-08	62
91139	34051831	S	1995-02-11	61
91140	34051831	O	1995-03-12	17
91141	34051831	O	1995-04-08	8
91142	34051831	O	1995-05-13	58
91143	34051831	O	1995-06-10	1
570	34051831	W	1995-07-30	42
91146	34051831	O	1995-09-10	10
91148	34051831	O	1995-11-12	81
91149	34051831	O	1995-12-10	643	500	250	200
661	34051831	S	1996-01-14	263		250	200
91151	34051831	S	1996-02-11	886	500	250	200
91152	34051831	O	1996-03-10	48
91153	34051831	O	1996-04-14	4
91156	34051831	O	1996-06-09	1
789	34051831	W	1996-07-21	166
91158	34051831	W	1996-08-11	23
91160	34051831	O	1996-10-13	13
91161	34051831	O	1996-11-10	7
91162	34051831	O	1996-12-01	141
91163	34051831	O	1997-01-12	6
950	34051831	S	1997-02-09	110
91165	34051831	S	1997-03-09	7
91166	34051831	O	1997-04-13	9
91167	34051831	O	1997-05-11	1
1074	34051831	W	1997-07-13	2
91171	34051831	O	1997-09-14	30
91172	34051831	O	1997-10-12	624	500	250	200
91174	34051831	O	1997-12-14	317		250	200
91175	34051831	O	1998-01-11	77
2258	34051831	S	1998-02-01	61
91177	34051831	S	1998-03-08	14
91179	34051831	O	1998-05-10	2
91180	34051831	O	1998-06-14	3
91184	34051831	O	1998-10-11	23
91185	34051831	O	1998-11-08	21
91186	34051831	O	1998-12-13	166
2779	34051831	S	1999-02-14	13
91191	34051831	O	1999-05-09	5
91196	34051831	O	1999-10-10	223			200
91197	34051831	O	1999-11-14	159
91198	34051831	O	1999-12-12	25
3173	34051831	S	2000-01-09	3
91200	34051831	S	2000-02-13	3
91201	34051831	O	2000-03-12	941	500	250	200
91202	34051831	O	2000-04-09	10
91206	34051831	W	2000-08-06	10
91207	34051831	O	2000-09-10	31
91208	34051831	O	2000-10-08	242			200
91209	34051831	O	2000-11-12	794	500	250	200
3806	34051831	S	2001-01-14	3
91211	34051831	S	2001-02-11	142
91212	34051831	O	2001-03-04	203			200
91213	34051831	O	2001-05-13	3
91214	34051831	O	2001-06-10	53
91216	34051831	W	2001-08-12	19
91218	34051831	O	2001-10-14	497		250	200
91219	34051831	O	2001-11-11	95
91220	34051831	O	2001-12-09	6
91222	34051831	S	2002-02-10	7
91224	34051831	O	2002-05-12	5
91228	34051831	O	2002-09-08	16
91229	34051831	O	2002-10-13	130
91230	34051831	O	2002-11-10	46
91231	34051831	O	2003-01-12	51
4760	34051831	S	2003-02-09	75
91233	34051831	S	2003-03-02	31
91235	34051831	O	2003-05-11	2
91236	34051831	O	2003-06-08	2
91239	34051831	O	2003-09-14	27
91240	34051831	O	2003-10-12	534	500	250	200
91242	34051831	O	2003-12-14	17
5496	34051831	S	2004-01-11	24
1144	34051831	O	2004-02-08	52
1212	34051831	O	2004-04-11	194
1256	34051831	O	2004-10-10	7
1493	34051831	O	2004-11-14	86
1492	34051831	O	2004-12-12	23
6437	34051831	S	2005-01-09	207			200
1700	34051831	O	2005-02-13	334		250	200
1747	34051831	O	2005-10-09	16

Friday 16 January 2026 11:04
FitzPatrick Institute of African Ornithology
Department of Biological Sciences - University of Cape Town

This work is licensed under a
Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported License

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