Marsh harrier

Rørhøg Circus aeruginosus

1982-05-16 : 65 nø + 10 tf

1981-05-15 : 47 nø + 7 r

2000-05-10 : 52 nø

2006-05-05 : 49 nø
2016-05-31 : 45

1982-05-17 : 45

1987-05-25 : 44 nø

1994-04-25 : 29 nø + 10 r

2002-04-30 : 38 nø

Efterårsmaks:

2016-08-20 : 2 nø + 5 r

1995-08-13 : 7 1k r

Fænologi:

2026-03-22 - 

2025-03-21 - 09-17

2024-03-08 - 09-15

2023-02-28 - 10-18            Tidligste

2022-02-28 - 09-18            Tidligste

2021-03-28 - 09-22
2020-03-18 - 10-06

2019-04-02 - 09-29

2018-03-26 - 08-25
2017-03-26 - 09-03

2016-03-26 - 09-18

2015-03-27 - 09-14

2014-03-29 - 09-06

2013-04-04 - 09-21

2012-03-30 - 09-11

2011-04-01 - 09-15

2010-03-26 - 09-02

2009-03-29 - 09-08

2008-03-15 - 08-26

2007-03-28 - 09-01

2006-03-28 - 09-14

2005-04-01 - 08-31

2004-04-03 - 09-11

2003-03-30 - 09-28

2002-04-03 - 09-02

2001-03-29 - 06-01

2000-04-02 – ingen data

1999-04-03 - 08-03

1998-03-29 - 09-28

1997-04-05 - 08-26

1996-03-31 - 08-30

1995-04-09 - 09-06

1994-03-28 - 09-04

1993-03-26 - 06-11

1992-04-03 - 08-13

1991-04-05 - 09-02

1990-04-13 - 09-01

1989-04-07 - 08-06

1988-04-07 - 06-01

1987-04-02 - 09-15

1986-04-12 - 08-14

1985-04-07 - 08-02

1984-04-08 - 09-01

1983-04-04 - 09-13

1982-03-27 - 08-28 + 11-29 1 brun r er seneste observation

1981-03-29 - 05-30

1980-04-03 - 06-14

1979-04-07 - 06-06

1978-04-08 - 08-25

1977-04-23 - 08-17

1976-04-05 - 08-24

1975-04-08 - 08-16

1974-04-06 - 05-24

1973-03-29 - 06-26

1972-05-03 - 06-03               Seneste ankomst

Største forår:

2016 : 619, 2000 : 607, 2008 : 483, 2009 : 417, 2006 : 416.