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Marsh Harrier

[Click the name of the species to go to the main information page for this species.]
Common Name Marsh Harrier
Scientific Name Circus aeruginosus
Interest Level
Related Species Harriers, hawks and buzzards
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Habitat Reference

Once an occassional winter visitor to Dorset but now a species nesting in the county



Contributors to the Nature of Dorset have seen this species at these locations:

Please note that the markers show APPROXIMATE locations of the observation, not exact locations! You can find often find out more information about location by looking at the original tweet. Click on any marker to see the name of the location and then click on the location name to see more details about the site where available.

This chart shows the number of records per site for this species. Hover over any column to see the site and the number of records:

This chart shows the number of records per month for this species where there are records (see note below):

The intention of this chart is to show which months during the year this species is most likely to be seen. The total per month is across all years; to see the total for a particular year select that year in the filter at the top.

This chart shows the number of records per day for this species for up to the last 30 days for which there are records for this species (see note above). Hover over any column to see the date and the number of records:

These are some photographs of this species that have accompanied tweets from Twitter contributors. Click/tap a photo to see the original version.

Displaying 1 - 11 of 11
Marsh Harrier, Radipole RSPB, 20-01-17
Tweet Date:
22/01/2017 - 06:45
Contributed By:

Displaying Marsh Harrier at Radipole Lake yesterday.

Tweet Date:
21/01/2017 - 14:30
Contributed By:

Shame about the depth of field but close up of the Marsh Harriers displaying today at Radipole Lake.

Tweet Date:
22/01/2017 - 20:00
Contributed By:
Marsh Harrier, with light behind, at Lytchett Bay this morning
Tweet Date:
17/02/2017 - 20:45
Contributed By:
Marsh Harrier at RSPB Radipole Lake 07-03-17
Tweet Date:
09/03/2017 - 06:30
Contributed By:
A Handsome Chap. Marsh Harrier - Radipole, Weymouth @RSPBWeymouth @DorsetWildlife
Tweet Date:
18/05/2017 - 23:00
Contributed By:
Male Marsh Harrier from the New Screen RSPB Radipole. 07-06-17
Tweet Date:
08/06/2017 - 08:00
Contributed By:
RT @lookin4spoonies: @PortlandBirdObs Juv. Marsh Harrier again at 16:46hrs and then lost back north up the island
Tweet Date:
28/08/2017 - 17:20
Contributed By:

The Marsh Harrier taking a rest from hunting #LytchettFields

Tweet Date:
03/10/2017 - 18:11
Contributed By:

1 of 2 Marsh Harriers present at Lodmoor yesterday - Weymouth, Dorset @RSPBWeymouth @DorsetWildlife

Tweet Date:
06/11/2017 - 17:56
Contributed By:

Some reasonable views of the Marsh Harriers too. Radipole - Weymouth, Dorset @RSPBWeymouth @DorsetWildlife

Tweet Date:
20/11/2017 - 21:22
Contributed By:

The original tweets from which these records have been derived:

You can use the filters to select tweets for this species at a specific location, from a specific contributor and for any month and/or year. You can use these filters individually or in conjunction with each other.

Displaying 1 - 50 of 50
Record Datesort ascending Recorded at Recorded by Tweet
20/11/2017 - 21:22 Mark Wright

Some reasonable views of the Marsh Harriers too. Radipole - Weymouth, Dorset @RSPBWeymouth @DorsetWildlife

17/11/2017 - 12:09 RSPB Weymouth

The sun is shining at #RSPBLodmoor ! highlights today, marsh harrier, kestral, kingfisher, large no. of snipe and l…

10/11/2017 - 09:10 Ian Ballam

Marsh Harrier just taken prey to left of Middlebere hide & now eating it on bank in front of Osprey Pole, also Ring…

07/11/2017 - 08:34 Ian Ballam

Merlin and Peregrine interacting, watched from Lytchett Bay View, also Marsh Harrier and Sprawk @harbourbirds @NarwhalSh @DorsetBirdClub

06/11/2017 - 17:56 Mark Wright

1 of 2 Marsh Harriers present at Lodmoor yesterday - Weymouth, Dorset @RSPBWeymouth @DorsetWildlife

06/11/2017 - 12:47 Ian Ballam

Marsh Harrier hunting I'm Reedbed by end of FP12 Lytchett Bay @harbourbirds @NarwhalSh @DorsetBirdClub

06/11/2017 - 12:36 Birds Poole Harbour

1 GW Egret, 4 Goosander, 8 G'eye, c100 RB Merg, c75 GC Grebe, 4 Marsh Harr, 2 Merlin, 50+ Spoony from survey boat this AM @DorsetBirdClub

05/11/2017 - 13:24 David Foster

Avocet 400+, Lapwing 140+, Brent 40+ & Marsh Harrier highlights @RSPBArne Middlebere this am. @harbourbirds @DorsetBirdClub @NatureofDorset

04/11/2017 - 10:18 Paul Harris

Marsh Harrier now hunting along Chesil Beach. Also ~1500 Wigeon, 50 Pintail, 100 Lapwing. Teal n/c.

03/11/2017 - 13:36 Mike Morse

Alan B had a ring-tail harrier high west at 8.30....I missed it sadly. Otherwise, an adult male Marsh Harrier east, 11 Meds, 3 Razorbills.

02/11/2017 - 14:22 Luke Phillips

#RSPBRadipole today... Bittern, c.30 Bearded Tit!, Firecrest, 60+ Blackwits, 2 Marsh Harrier, Water Pipit... @RSPBWeymouth @DorsetBirdClub

01/11/2017 - 13:17 Birds Poole Harbour

1 Hen Harrier, 1 Merlin, 3-4 Marsh Harrier and 1 Great White Egret in Wareham Channel this AM @DorsetBirdClub @BirdGuides @RSPBArne

30/10/2017 - 12:34 Retweet

RT @stilts38: Lesser Legs Lodmoor +5 Ruff 20+ BTGW, Marsh Harrier and more!!

24/10/2017 - 09:00 Ian Ballam

2 Spoonbill feeding in Lytchett Bay and Marsh Harrier also @harbourbirds @NarwhalSh @DorsetBirdClub @BirdGuides

22/10/2017 - 14:38 Gerry Shilham

@DorsetBirdClub @RSPBWeymouth Lesser Yellowlegs showing well at Lodmoor this pm, also Ruff, 2 Marsh Harrier

19/10/2017 - 11:38 Freddy Alway

Lodmoor. Lylegs. 3 lit stint. 1 com sand. 40+ snipe.dunlin. rp. Gwe. Marsh harrier. 2 firecrest.

17/10/2017 - 09:59 Ian Ballam

1 Curlew Sand, 4 Ruff, Marsh Harrier and Peregrine so far #lytchettFields @harbourbirds @NarwhalSh @DorsetBirdClub @BirdGuides

15/10/2017 - 20:53 Peter Robertson

No hen harriers on this evening's @_BTO hen harrier winter roost survey @RspbArne but 4 Marsh Harrier, 2 Peregrines and a late Wheatear

15/10/2017 - 19:36 Christchurch Harbour Ornithological Group

Problem uploading tonight Highlights of post Hawfinch GreatWhiteEgret GreenSandpiper MarshHarrier Firecrest Nuthatch

15/10/2017 - 10:22 Paul Harris

Marsh Harrier Rodden Hive. Merlin hunting passerines on Chesil Beach. Also 4 Grey Plover

12/10/2017 - 20:11 Birds Poole Harbour

2 Hen Harrier, 2 Merlin and 5 Marsh Harrier in Poole Harbour west this PM @DorsetBirdClub @BirdGuides @RSPBArne

12/10/2017 - 08:57 Ian Ballam

3 Ruff @ #lytchettFields ,all other small waders moved on by Marsh Harrier followed by a Peregrine @harbourbirds @NarwhalSh @DorsetBirdClub

07/10/2017 - 10:58 Mark Wright

Male Hen Harrier has just gone up the Middlebere Channel heading towards Hartland Moor @harbourbirds @RSPBArne

07/10/2017 - 08:24 Ian Ballam

Only half light in Lytchett Bay, but already Peregrine and Marsh Harrier together causing havoc! @harbourbirds @NarwhalSh @DorsetBirdClub

06/10/2017 - 13:33 Freddy Alway

Spoonbill gwe marsh harrier ruffs little stints bearded tits lodmoor am.

06/10/2017 - 09:30 Jol Mitchell

I know Marsh Harriers are common @harbourbirds in Poole but great to see one at Sunnyside on a cracking morning

05/10/2017 - 09:40 Shaun Robson

1 Spoonbill, 1 Little Stint, 1 Curlew Sand, 1 Marsh Harrier and 7 Ruff #lytchettFields @harbourbirds @NarwhalSh @DorsetBirdClub @BirdGuides

03/10/2017 - 18:11 Ian Ballam

The Marsh Harrier taking a rest from hunting #LytchettFields

03/10/2017 - 10:38 Nick Hopper

Stilt Sand, 3 Ruff + c150 Dunlin roosting s,e Wareham channel, then flushed by Marsh Harrier @harbourbirds

29/09/2017 - 17:12 Peter Hadrill

RT @peterhadrill: @harbourbirds Flock of 31 Spoonbill off Giggers early am. Biggest group I`ve seen in the west Harbour. 4 Marsh Hs include…

28/09/2017 - 11:34 Debby Saunders

Marsh Harrier circling over Bill Hill

27/09/2017 - 08:42 Ian Ballam

3 Little Stint and 4 Ruff on SP and Marsh Harrier over #LytchettFields @harbourbirds @NarwhalSh @DorsetBirdClub @BirdGuides

26/09/2017 - 09:57 Ian Ballam

Marsh Harrier around Lytchett Bay, 141 Blackwit in bay on low tide @harbourbirds @NarwhalSh @DorsetBirdClub

23/09/2017 - 15:41 Peter Hadrill

RT @peterhadrill: @harbourbirds @RSPBArne 7 up raptor haul Arne Moors to Hartland today including 3 Marsh Hs, Peregrine, juv Hobby, Sparro…

20/09/2017 - 11:06 Barbara Bisset

11am Discover Arne Walk GWE, 2 marsh harrier & common seal in Wych Channel @RSPBArne @harbourbirds

17/09/2017 - 07:27 Ian Ballam

1 Curlew Sandpiper on New Pools and Marsh Harrier over bay #LytchettFields @harbourbirds @NarwhalSh @DorsetBirdClub @BirdGuides

10/09/2017 - 12:36 RSPB Arne

Day 2 of #RaptorWeekend, sightings, 3x Ospreys, 2x Kestrels, Marsh Harrier, 29x Spoonbill so far! (📷:…

09/09/2017 - 20:56 Phyl England

One of the 3 Curlew Sandpipers at Lytchett Fields Birds included Osprey Marsh Harrier Kingfisher and Ringed Plover

06/09/2017 - 19:54 Paul Harris

Lodmoor pm: 3 Swift, Green Sand, Marsh Harrier, 15+ Little Egret heading off to roost.

28/08/2017 - 17:20 James Phillips RT @lookin4spoonies: @PortlandBirdObs Juv. Marsh Harrier again at 16:46hrs and then lost back north up the island
28/08/2017 - 17:02 Tom Carley @DorsetBirdClub Marsh Harrier earlier this pm seen from Moordown garden looking North towards Muscliff/River Stour.
27/08/2017 - 09:49 RSPB Arne Yesterday - 4 Pied Flycatcher, 2 Firecrest, 8 Spoonbill, 1 Whinchat, 3 Osprey, Marsh Harrier etc... not a bad day! @DorsetBirdClub
26/08/2017 - 09:08 Paul Harris Male Marsh Harrier hunting on Chesil Beach.
25/08/2017 - 13:33 Mike Morse A busy morning here with 38 Yellow Wags, G Wag, 4 Whinchats, 6 Wheatears, 2 Groppers, juv Marsh Harrier and juv Cor…
19/08/2017 - 12:29 Barbara Bisset RT @dougaldog: 11am Osprey flew up Middlebere onto platform & into dead tree. Blackwit, 9 spoonbill & earlier a marsh harrier @RSPBArne @h…
12/08/2017 - 11:44 Barbara Bisset RT @dougaldog: 11.25 marsh harrier just put up all the birds on Middlebere Lake & now c550 black- tailed godwit & a common tern @RSPBArne…
10/08/2017 - 11:32 Ian Ballam Ton up!!! 105 Dunlin on #LytchettFields , also a Marsh Harrier over @harbourbirds @NarwhalSh
07/08/2017 - 16:35 RSPB Arne Great White Egret reported from Middlebere this morning. Lost of Osprey action too plus Peregrine, Marsh Harrier and poss male Hen Harrier?!
07/08/2017 - 15:22 Peter Hadrill RT @peterhadrill: @harbourbirds seasonal marsh harrier traffic moving nicely with the 3 currently roosting overnight including 2 newcomers…
01/08/2017 - 18:15 Ian Ballam Marsh harrier has been around #LytchettFields for last 2 days, 1st sightings since the 4th of May