Poole Harbour sightings blog

A record of all interesting and notable sightings from around the harbour throughout the year.

Latest Sightings

Harbour Update – 25/09/25

Posted on: September 25th, 2025 by Birds of Poole Harbour

The weather continues to be perfect for new arrivals to travel in from the north, and from this mornings early start Autumn Safari we were once again treated to witnessing species such as Wigeon, Shoveler, Gadwall and sinensis Cormorant all arriving in from high north, whilst at the same time hundreds and eventually thousands of Swallow, House Martin and fewer Sand Martin all gathered in numbers and begin heading north into the wind for the morning phase of their migration. On the low tide this morning 61 Spoonbill were feeding in the Wareham Channel and 3 Marsh Harrier were off Swineham Point. A White-tailed Eagle was sat distantly in a tree out on Keysworth and a Hobby was chasing hirundines high over the Wareham Channel. There were 2 Little Stint on the Swineham Pools, and 93 Spoonbill were counted on the Brownsea Lagoon again. A Great White Egret was on the Holton shoreline and 5 Cattle Egret were at Holmebridge. There are now 7 Glossy Ibis which were out feeding on the Pools Field at Lytchett Bay, plus a Little Stint was out on Lytchett Fields along with a Curlew Sandpiper. At Middlebere 1 Great White Egret was at the top of the channel, a juv-type White-tailed Eagle cruised over. Yesterday 2 Merlin were logged out on Hartland and 12 Marsh Harrier left the west harbour roost. Up on Ballard this morning more vis-mig was underway with 62 Crossbill over, plus 723 Siskin, 2 Yellow Wagtail and thousands of House Martin. 

Common Seal from out Autumn Safari this AM – Wareham Channel- Alison Copland

Grey Seal from out Autumn Safari this AM – Wareham Channel- Alison Copland

Stonechat – Brownsea Lagoon – Alison Copland


Harbour Update – 24/09/25

Posted on: September 24th, 2025 by Birds of Poole Harbour

Today a harbour and county record was smashed, with an incredible 94 Spoonbill present in the harbour this morning with 93 on the Brownsea Lagoon and 1 on the pools at Swineham. This beats the previous high total of 85 individuals logged back autumn in 2023. This is a phenomenal count and is possibly only part of the story, as we don’t typically reach the peak number until mid-October, meaning there’s potentially still more to arrive. Will we reach the magic century by the end of September? This increase over the last few decades is down to the recovering populations in mainland Europe and an expanding breeding range on the near continent. The dream is that they’ll eventually start breeding somewhere in Poole Harbour/Dorset, with this summer seeing 5 immature birds over-summer for the first time, which could be a sign of things to come? Yesterdays 6 White-tailed Eagles were still loafing about with 2 in the Wareham Channel, 2 in Brands Bay and 1 even seen almost going wing tip to wing tip with a Paraglider high over Studland golf course this afternoon. A random male Common Scoter was in central harbour, 4+ Marsh Harrier were still active in and around Swineham and there was some more good vis-mig (visible migration) at South Haven, Studland as 450+ Siskin passed over and another good count of Common Chiffchaff were on the move. Martin Adams, who monitors Holes Bay reported that Wigeon numbers have more than doubled overnight to reach 261, joining an impressive 514 Teal. 10 Pintail saw the first double figure count of the autumn, plus 18 Shoveler. Black-tailed Godwit numbers in the NW sector built up with the rising tide to reach 1037, the first 4 figure count of the autumn and Redshank got tantalisingly close to a rare 400+ count, with 397. This evening 4 Glossy Ibis and 1 Curlew Sandpiper were ion Lytchett Fields.


Harbour Update – 23/09/25

Posted on: September 23rd, 2025 by Birds of Poole Harbour

An amazing migration day across the harbour today, with more and more birds arriving from far away lands. Our Autumn Safari Cruise this morning was jam packed with good birds from start to finish. A juvenile Hobby was hunting hirundines over Arne and caught and devoured prey right above the boat at the start of the trip. One of the most amazing finds was a drake Scaup which was settled tight into the reed bed along the Keysworth shoreline in the Wareham Channel. Although distant, 2 Glossy Ibis arrived in from super high above the Purbeck ridge, before gradually dropping into the harbour area and settling on RSPB Arne Moors. A Great White Egret was along the Keysworth shoreline, 4+ Marsh Harrier were quartering over Swineham and Keysworth and a Spoonbill was on the Stilt Pools at Swineham, along with 1 potential Little Stint. The new pools on RSPB Arne Moors are already begining to attract birds with 10+ Dunlin, 2 Green Sandpiper and another potential Little Stint, although these pools are only viewable/accessible from our boat trips. All day thousands of Swallow and House Martin were on the move once again, at times, streaming over in groups of 100+ at a time. On the Brownsea Lagoon 73 Spoonbill were counted, highlighting it’s continued importence as the UK’s most important staging site for this species. Also on the lagoon were 200+ Avocet, 1 Little Stint, 40 Ringed Plover, 100+ Dunlin and 8 Greenshank. There were 2 White-tailed Eagle having a fight over the southern shores of the harbour this morning (resident female G466 and newly arrived 2023 G644), and by this afternoon 6 different individuals were in and around the harbour including 2 new arrivals which were freshly arrived from northern England in the last 24 hours having arrived on the northerly airflow. Wildfowl seemed to be arriving this morning with multiple Wigeon, Gadwall and Shoveler flocks dropping in at various sites. An Osprey was feeding in a tree along the RSPB Arne shoreline in the Wareham Channel and another was cruising around Lytchett Bay this afternoon. This morning the first 2 Lesser Redpoll of the autumn passed over South Haven, Studland along with 248 Siskin. There was another massive Chiffchaff movement across the harbour and this morning a whopping 222 were ringed in the Lower Piddle Valley, along with 69 Blackcap, 3 late Willow Warbler, 2 tardy Grasshopper Warbler, 10 Sedge Warbler and 2 Common Whitethroat.

Spoonbill – Stilt Pools, Swineham – Mya Bambrick


Harbour Update – 22/09/25

Posted on: September 22nd, 2025 by Birds of Poole Harbour

What an absolutely pristine day, and with the sun and switch in wind direction, a delivery of birds was observed at multiple sites across the harbour. After sustained southerly wind for several weeks, last night suddenly saw a clear night and a northerly airflow properly kick in which meant birds from further north took advantage of the tail wind and ended up on the south coast. The main arrivals today consisted of Common Chiffchaff, Swallow and House Martin. Common Chiffchaff were everywhere and with 163 ringed in the Lower Piddle Valley alone highlights that many thousands would have been spread right across the harbour this morning. Swallow and House Martin were on the move all day, with high totals (but un-counted) logged across the entire Poole Harbour airspace from sunrise to sunset. The first arrival of Ring Ouzel also dropped down with 1 in the Ulwell Gap and 2 at Ballard logged. A late Swift was over Ballard Down. There were only 4 of Glossy Ibis seen today at Lytchett Bay in the pools field next to Rock Lea view but there was a Little Stint on Lytchett Fields with 2 Spotted Redshank. At South Haven, Studland the Chiffchaff arrival was also much in evidence with c150 logged in bushes around the point plus 605 Siskin passed over and a Whinchat and Wheatear were also there. At Slepe Heath a Tree Pipit, 5 Crossbill and a random Ringed Plover passed over. At lunch time 4 White-tailed Eagle were circling over Stoborough with 4 Raven and 460 Cormorant entered the Piddle Valley roost and 5 Spoonbill flew up the Piddle Valley. The Brownsea Lagoon still had 70+ Spoonbill, will we reach 80 by the end of September?

Knot – Brownsea Lagoon – Nicki Tutton


Harbour Update – 21/09/25

Posted on: September 21st, 2025 by Birds of Poole Harbour

It’s back! The long-returning Forster’s Tern was seen today from our Autumn Safari Cruise on a post, off of Ham Common Nature Reserve. Having been originally seen in 2023, as the 2nd ever for Dorset and 22nd ever for the UK, this long-returning, mega rare, north American Tern has reappeared. It was last seen in March this year and has not been seen since, although there was an unconfirmed report a few weeks ago. Last summer it spent time in Ireland, before making it’s way back to Poole Harbour, to eventually overwinter in Brittany, France. It’s likely it will do the same again this winter, but hopefully it will stick around in the harbour for a few more people to see. In the past it’s favoured marker bouys off Moriconium Quay, Shipstal Beach, the Brownsea Lagooon and occasionally Lytchett Bay.

The 6 Glossy Ibis reapearred again today at Lytchett Fields this morning, having been favouring the river Frome and Swineham areas. This afternoon 2 Ruff and 6 Curlew Sandpiper were in the Middlebere Channel on the falling tide this afternoon. The PC World Drain was jumping with birds first thing this morning: 40+ Common Chiffchaff, 10+ Blackcap, 1 Lesser Whitethroat, 1 Cetti’s Warbler, 2 Kingfisher, 3 Jay 

From our Autumn Safari Cruise we also saw 2 White-tailed Eagle, neither of which were our local pair. 1 was an adult 4-year old female G486 and the other a 2nd calendar year youngster G717, both in the Wareham Channel. 2 Osprey were also in the Wareham Channel along with 2 Marsh Harrier, 1 Peregrine, 3 Kingfisher, 2 Common Sandpiper and 2 Green Sandpiper. On the Brownsea Lagoon there were c200 Avocet, 1 Kingfisher, 5 Curlew Sandpiper, 20 Greenshank and 70+ Spoonbill making Poole Harbour, and specifically the Brownsea Lagoon the most important staging site in the UK for this species as numbers will continue to build until mid-October, when many then leave to destinations beyonds, including one sat-tagged individual last summer which staged in Poole Harbour during September but ended up in Senegal by Christmas!

 Forster’s Tern – Wareham Channel, off the Ham Common Nature Reserve – Alison Copland


Harbour Update – 20/09/25

Posted on: September 20th, 2025 by Birds of Poole Harbour

As is typical each year, as September presses on, numbers of Spoonbill continue to increase and today 75 were on the Brownsea Lagoon, where there were also 8 Curlew Sandpiper (down from 19 last Saturday), 20 Greenshank, 1 Spotted Redshank and c120 Avocet. A Nightjar was ringed in the Lower Piddle Valley along with 50 Common Chiffchaff, 35 Blackcap, 1 Tree Pipit, 2 late Grasshopper Warbler and a Reed Warbler. As well as the local pair of White-tailed Eagles, 2 new adult females have also been popping in and out of the harbour with 2021 females G818 and G486, as well as a wandering 2024 juv G717. Yesterday the 6 recently arrived Glossy Ibis were seen entering the Swineham heron roost.


Harbour Update – 19/09/25

Posted on: September 19th, 2025 by Birds of Poole Harbour

An absolute stunner of a day, reaching 24 degrees and quite a contrast to recent weeks. It got birds on the move and all day Meadow Pipit were passing over in small numbers across many parts of the harbour. There were 3 Osprey in the Wareham Channel this morning including Scottish ringed 251(?) plus a juvenile and another adult. Female White-tailed Eagle G466 was sat on a tall snag on Arne Hill at RSPB Arne and there were 3 Hobby also in the Wareham Channel plus the autumns first Merlin was logged on Hartland Moor this morning. The Brownsea Lagoon was still busy with Spoonbill and saw 60+ roosting on the Tamerisk Island, where 5 Curlew Sandpiper were feeding in amongst their name-sake, plus 250+ Avocet, 5 Greenshank, 3 Common Sandpiper and 200+ Black-tailed Godwit were also present. At RSPB Arne 2 Spotted Flycatcher, 1 Pied Flycatcher and 1 Redstart were along the shipstal track near Arne Farm. We also got some exciting news this morning that our female Osprey from this years ‘nest 2’, female 1H1, was sighted down in Portugal yesterday at the Reserva Natural do Estuário do Sado. She was last seen at her nest site on Sept 11th at 14:00, so she’s made good time! Plus, upon inspection of photos of a ‘Buzzard’ we saw over Brownsea during yesterdays Autumn Safari we’ve managed to confirm the ID was a juvenile Honey Buzzard.

Female Osprey 1H1 from ‘nest 2’ – Sado Estuary Nature Reserve, Portugal yesterday – Carlos Miguel

Scottish ringed Osprey 251(?) from this mornings Autumn Safari – Wareham Channel – David Turner

Juvenile Honey Buzzard – over Brownsea Island during yesterdays Autumn Safari – Ed Betteridge

 


Harbour Update – 18/09/25

Posted on: September 18th, 2025 by Birds of Poole Harbour

Despite the yucky start to the day, the birding was actually ok today. A Wryneck was along the track leading down towards Shipstal Point at RSPB Arne with a Pied Flycatcher, 1 Redstart and 2 Spotted Flycatcher and an Osprey was hunting in Shipstal Bay. Male White-tailed Eagle G463 was on Patchins Point, Arne this morning, and at the top end of the Wareham Channel 2 juvenile Marsh Harrier were moving around as several Common Snipe arrived in over Swineham Point and 5 Bearded Tit were off Swineham Point. On the Brownsea Lagoon 7 Curlew Sandpiper were spread across the site, 62 Spoonbill were roosting, 200+ Avocet were feeding and 2 Common Sandpiper were still along the lagoon beach. There were 2 Kingfisher along Poole Quay, an eclipse male Pochard was on the main gravel pit at Swineham and a Hobby was there too.

Male White-tailed Eagle G463 from our Autumn Safari this AM – Harry McBride

Kingfisher on Poole Quay from our Autumn Safari this AM – Harry McBride

Sparrowhawk at Swineham from our Autumn Safari this AM – Harry McBride

Wryneck – Shipstal track at RSPB Arne – David Turner


Harbour Update – 17/09/25

Posted on: September 17th, 2025 by Birds of Poole Harbour

The mixture of weather seems to have potentially slowed Osprey migration across the country with more sightings across Poole Harbour. One individual was seen attempting to catch fish off Shipstall before then giving up and heading towards the Wareham Channel. Another was seen in Lytchett Bay, for a while two Marsh Harriers sat close by to it.

Lytchett Bay also had it’s first Garganey of the autumn, found amongst the flock of Teal. Two Snipe and a single Hobby also seen here.

Earlier in the day, Arne had two fly over White-tailed Eagles. Probably the local pair, however, there is a four year old female also frequenting the harbour at the moment.

The harbour’s less glamorous site, ‘PC World drain’, adjacent to Holes Bay, is a magnet for migrant and over wintering birds due to the mild conditions and plenty of insects close to the water. No fewer than 11 Chiff Chaff and singles of Blackcap and Grey Wagtail were present during the day.

Curlew – Arne – David Turner


Harbour Update – 16/09/25

Posted on: September 16th, 2025 by Birds of Poole Harbour

Another decent early autumn day, with all the feel of a chilly mid-September morning for our first Autumn Safari of the season this morning. There were loads of mid-September goodies on the Brownsea Lagoon including 1-2 Little Stint, 2 Curlew Sandpiper, 59 Spoonbill, 2 Common Sandpiper, c40 Dunlin, c200 Avocet, 2 Sanderling, c100 Black-tailed Godwit, 10 Sandwich Tern, 1 Med Gull and small numbers of Gadwall and Shoveler. We were also in for a real surprise when we learnt that one of our Carey Osprey chicks from this summer, male 5R4, who hasn’t been seen for about a month, suddenly appeared in Middlebere and then ventured to the Wareham Channel where we saw him from the cruise. Where he’s been over the last few weeks is anyones guess, but he’s obviously doing well and fending for himself already! This is the first time a Poole Harbour fledged Osprey chick has stayed and taught it’s self how to fish before departing on migration. Long staying ‘Poole male’ Osprey 5H3 was also around this morning, and was seen fishing in Lytchett Bay. It really looks like he’s eyeing the harbour ready for next spring. At Swineham 2-3 Marsh Harrier were moving around and yesterday morning 10 came out of the west harbour roost. The river valleys are now brimming again and saw 5 Glossy Ibis drop onto RSPB Arne Moors this afternoon, and the scrapes at Swineham are filling with Teal, Gadwall, a few Wigeon and Shoveler and masses of Egyptian Geese. This afternoon female White-tailed Eagle G466 was hanging out in the Wareham Channel and wandering 2021 female G486 visited the Wareham Channel this morning too. Elsewhere a Pied Flycatcher was at Hatch Pond, and another was in the PCW Drain, opposite KFC. This afternoon 3 different Osprey were in Brands Bay and a Great White Egret was in Middlebere.

Juvenile Osprey 5R4 – Middlebere – Kate Plater

Wigeon – Lytchett Bay


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