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Wednesday, November 6, 2024

Oxon Birding Weblog: October overview


Highlights

Tsu-weet! Is there a sound extra
eagerly sought than that for a devoted patch birder? As soon as an Oxon mega, the
current surge in YBW information within the final decade or so alongside Britain’s coast has
meant that the majority patch birders, inland or in any other case, can hope to discover a
little gem from the east. Anticipation normally reaches fever pitch in late
September or early October when birds from the east coast begin filtering
by way of inland and can primarily flip up anyplace, normally hoovered up by
roving tit flocks. With 33 recorded throughout Flamborough head on the 4th October,
and numerous many elsewhere alongside the coast, and with a rise of inland
information surrounding the county, it actually might solely be a matter of time earlier than
Oxon received its first of the autumn.

One month of YBW information up till tenth October courtesy of BirdGuides

So, with a serious inflow underway the
first document got here on the 5th October, coming from the Lye Valley
in Oxford and far deserved reward for the ever devoted patcher there.
To not be outdone, Farmoor swiftly adopted swimsuit later that afternoon. Farmoor
has, through the years change into the premier website for locating this japanese sprite
with three information since 2020 and an unconfirmed chook in 2017. Each birds had been
current the next day, though the Lye Valley chook was way more
forthcoming and simpler to pin down. With the Farmoor chook departing by
the 7th the Lye Valley grew to become the star chook for a lot of the
counties birders. Port Meadow additionally then hosted a chook on the 9th,
though solely heard on a few events, however with the Lye Valley chook
nonetheless there till the tenth, this was positively a brand new chook in. 

The Lye Valley Yellow-browed Warbler, courtesy of Tom Bedford

Absolutely Yellow-browed Warbler is
up there with one of many prime backyard birds round? Effectively no fewer than three
birders struck gold this month, and it seems just like the onset of home-working has
some beforehand unexpected advantages! The primary got here from Sunningwell Highway
on the 14th with one other document coming from Hurst Road on
the 17th and will very effectively relate to the identical chook, given the
distances. Neither chook remained and the county wanted to attend a complete 8 days
earlier than its subsequent document! Dix Pit noticed the county’s 6th document
of the autumn on the 25th which hung round till no less than the 26th
and brought Oxfordshire to its joint document tally for the species in a single
yr. However we weren’t fairly executed but, with one other fortunate birder discovering a calling
chook of their backyard proper on the very finish of the overview interval, in Abingdon
on the 31st.

With an enormous 7 information in 2024,
all coming within the area of three.5 weeks, this has been a document yr for the species
in Oxon. Given the unfold of information and the way silent a few of the birds
have been, you need to surprise what number of of those beauties have truly handed
by way of the county unseen! The earlier document yr got here in 2020, the place a
comparable big inflow was famous alongside the east coast, however all the county information
got here between September and December. The focus of Yellow-browed
Warbler
this yr has been unprecedented and also you wouldn’t wager towards but
extra birds been discovered between now and the New Yr.

Yellow-browed Warbler information in Oxon 1989- 2024 courtesy of Tom Bedford

For these within the altering
fortunes of Yellow-browed Warbler and the emergence of a brand new migration
route for this species some fascinating papers are under:

https://www.researchgate.internet/publication/366274983_The_Yellow-browed_Warbler_Phylloscopus_inornatus_as_a_model_to_understand_vagrancy_and_its_potential_for_the_evolution_of_new_migration_routes

https://www.researchgate.internet/profile/Alexander-Lees/publication/279447524_Vagrancy_theories_Are_autumn_vagrants_really_reverse_migrants/hyperlinks/5592bedb08ae1e9cb4297652/Vagrancy-theories-Are-autumn-vagrants-really-reverse-migrants.pdf

Waders

The Noticed Redshank continued
its prolonged keep at Otmoor this month, first been reported on the threerd
after which been sporadically reported till no less than the tenth of the
month, given folks sufficient time to take pleasure in this notoriously difficult species within the
county with it been lower than annual. 

The Otmoor Noticed Redshank courtesy of Luke O’Burn

There have been no less than 4 information of Gray
Plover
this month, with indicators of no less than one in every of these birds doubtlessly wanting
to winter within the county, one thing which is changing into more and more annual. The
first got here from Cholsey Hill on the 16th, sometimes related
with a big Golden Plover, and after briefly going lacking for a couple of days
returned to the identical spot on the 21st, remaining till the 22nd.
The identical chook was then on the close by South Moreton on the 28th
remaining till no less than the 30th. Waterstock additionally recorded a
single chook in amongst the plenty of water birds gathered right here on the 27th,
while Woolstone Down had a chook flying by way of on the 29th

Gray Plover courtesy of Alan Dawson

Ruff information had been confined
to 2 websites this month, with most birds having handed by way of the county the
earlier month. A single chook was noticed in a Lapwing flock at Peep-o-Day
Lane
on the 7th, though had apparently been current longer.
Probably the identical chook was then at Port Meadow, additionally related to Lapwing
and in flight on the 16th, while it was once more noticed, albeit very
distantly, a couple of days in a while the 18th. Port Meadow additionally noticed
a number of information of Black-tailed Godwit this month with 9 birds right here on 9th
of the month. Presumably totally different birds the place then right here on the 28th
with solely two right here then, while a single chook remained on the location till at
least the 29th. Dunlin had been additionally on Port Meadow this
month, with information restricted to 2 websites in October. Three had been right here on
the 26th with a single chook remaining till the 29th. Aston
within the west of the county, was an unlikely website to host the opposite document
this month with a single chook right here on the 24th. One has to surprise if
the west of the county could change into the host to these huge flocks we noticed in November
of final yr when a large 586 birds had been seen on floods at Cote!

As with different passage waders,
Ringed Plover information had been few and much between with two websites internet hosting
birds. Farmoor had one on the 1st of the month, while Aston
within the west of the county had two birds on the 24th. Inexperienced
Sandpiper
continued to dwindle by way of October as birds started to determine
their winter territories. Solely 4 websites reported birds this month with the
most coming from Curbridge on the 12th the place 6 birds right here. Bicester
Wetlands
hosted solely two birds this month, current on the 23rd.
Single the place then reported at Ardley and Peep-o-Day Lane on the 12th
and 14th respectively. Widespread Sandpiper had been even scarcer,
with most birds now effectively on their technique to west Africa. Singles had been at Farmoor
on the threerd and at Port Meadow on the 24th. Away
from the Otmoor the biggest flock of Golden Plover famous got here
from Aston with over a 1000 right here between the 24th – 27th,
with a good bit of wader motion right here in October this can be a website to
look ahead to the approaching winter!

Wildfowl & Recreation and so on

Following on from the transient 8
birds at Farmoor the earlier month, two Whooper Swan current in Thame
on the 13th had been a bit extra accessible to the county’s birders.
That being stated, it got here with the added complication of which facet of the border
the birds had been on, with Oxon Bucks border operating although the north finish
of the city. The 2 birds had been positively on Oxon land in some unspecified time in the future
however had been seemingly crossing into Bucks when transferring between websites, the fun
of birding on the perimeters of the county. Port Meadow subsequently hosted a
single chook on the 22nd and regardless of the abundance of individuals current
on this website, this particular person managed an prolonged keep till the 25th.
By the 26th, although, the chook had seemingly had sufficient and departed
with presumably the identical chook noticed flying westwards over Woodstock on
the 27th. Two birds at Otmoor on the 30th, might
have been the Thame birds reappearing/relocating, though they had been seemingly
gone the next day. 

The Port Meadow Whooper Swan courtesy of Adam Hartley

An unseasonal Garganey document
got here from Days Lock on the 23rd, with no less than one chook
wintering within the county for the previous few years, will probably be attention-grabbing to see
the place or if this chook pops again up someplace later within the yr. One such website
the place wintering Garganey have beforehand turned up, Dix Pit noticed its
first returning Goldeneye on the 26th holding its standing at
essentially the most dependable website within the county for this dwindling wintering species. Shelduck
had been at three websites this month, with Balscote Quarry a seemingly unlikely
host for a single on the 16th. 5 had been at South Moreton on
the 17th, while Port Meadow hosted no less than one chook between
the 26th and 30th of the month. Goosander had been
solely current at two websites, with Port Meadow internet hosting between 1 and three
birds by way of to the center a part of October and a single flyover by way of
Sutton Courtenay on the 22nd.

On the bizarre finish of
the wildfowl spectrum the feral Ross’s Goose was simply outdoors Banbury
for spell within the early a part of October earlier than making its return to its
favoured Port Meadow and the consolation of the hordes of Canada and Barnacle
Goose.
A lone Mandarin document got here from Grimsbury throughout October
and an uncommon Gadwall x Wigeon hybrid was added to the rising record
of attention-grabbing Anas or Aythya hybrids which have graced the county
of the years.

Herons, egrets and so on

One other species with an ever altering
standing throughout the county, this years 5th document of Spoonbill got here
from Otmoor on the 22nd. As soon as a county mega, with flyovers
accounting for a lot of the information pre-2020, it’s now an anticipated and even
twitchable annual. An indication of the UK’s ever increasing breeding inhabitants as
effectively as continental populations persevering with to do effectively. This chook remained on Otmoor
till no less than the 24th

The Otmoor Spoonbill courtesy of Terry Sherlock

The summering Shiny Ibis reappeared,
after a quick interval of not been reported, on the 8th October, though
it seemingly did a disappearing act as soon as extra. Though with it having been in
the county now for a lot of the yr, it wouldn’t be stunning if it had been to
flip up once more within the close to future.

Cattle Egret had been a lot much less
unfold out this month with solely 4 websites internet hosting birds in October. Otmoor continued
to host a big flock of as much as 44 birds, though most of those had been birds
coming into or departing roost with birds presumably unfold extra extensively throughout
the day. Peep-o-Day Lane hosted as much as 5 birds from the 1st
till the 8th, with a single right here once more on the 18th. Wytham
additionally hosted a reasonably sizeable flock of 20 birds on the 17th,
presumably birds that go on to then roost at Otmoor (?). Dix Pit then
had a single chook on the 30th, with no different websites within the west
seemingly internet hosting birds this month. 

Ca

Cattle Egret courtesy of Conor Mackenzie

Nice White Egret, although,
continued to be recorded throughout a lot of websites presumably with summering
2nd calendar years been boosted by 1st calendar years
from down on the Somerset Ranges. At the least 15 websites recorded birds this
month, with no less than 6 of these websites hosted 2 or extra birds in some unspecified time in the future in October.
The very best rely got here from Radcot on the 24th with a whopping
5 birds right here. Peep-o-Day Lane and Shifford each hosted 3 birds on
the 8th and 13th respectively. While Port Meadow, Clanfield
and Blenheim additionally recorded 2 birds current on the 19th,
27th and 30th respectively. Radcot additionally recorded a
very excessive rely of Little Egret with 33 right here on the 24th,
together with the 5 reported Nice White Egret in what will need to have been some
scene! 

Nice White Egret courtesy of Conor Mackenzie

 

 

Passerines

Yellow-browed Warbler was
not the one passerine to ‘invade’ the county in good numbers this month, with
a sizeable irruption yr for Hawfinch effectively below approach. The primary few
information filtered by way of the county on the 15th, the place 4 had been
current at Cutteslowe Park and a single by way of Boars Hill on the
18th, nothing too uncommon but. Nevertheless the latter a part of October
noticed plenty of information by way of nearly any website within the nation with even a marginal
bit top, and all counties had been reporting increased than common numbers by way of.
At the least 8 websites in Oxfordshire went on to report between 1 – 4 birds
with information unfold from as far north as Grimsbury Reservoir and as far
south as Culham. Fingers crossed that the irruption continues and birds settle
down as they did in 2017, the place it felt nearly not possible to not discover a native Hawfinch!

The Woodstock Black Redstart continued
its keep on the website till no less than the 5th of the month earlier than seemingly
departing for pastures new, earlier than reappearing on the 25th on the unique
finders neighbours roof of all locations! One other cracking backyard chook for the finder
after a Tree Pipit there in August! A website that always hosts Black
Redstart
the housing property round Chinnor Quarry noticed a single chook return
to the location for an additional yr on the 22nd, with two then right here on the
24th and no less than one hanging on till the 25th. Aston
Upthorpe
hosted the 4th and closing document of the month with a
single juvenile right here on the 24th.  

Black Redstart courtesy of David Stracey


October is the height month
for Rock Pipit within the county and this month noticed no less than 4 websites
document birds. The majority of the information got here from Farmoor, as is typical
of the species, with 2 right here on the twond lowered to a single chook between
the threerd and 10th, while one other single was right here on the
22nd. Two vis-mig information had been a stunning addition to the county
information this month with birds at Fyfield Wick on the 11th and
at Boars Hill on the 18th. An unidentified Anthus was
on Port Meadow on the 22nd and was both a Rock or Water
Pipit
however was too transient to be pinned down. While a possible Tree Pipit was
over Farmoor on the 4th, however once more was too transient to be
recognized totally. 

Farmoor Rock Pipit courtesy of Debbie Cummins

With the season change effectively underway,
the county’s first Brambling of the autumn got here from Cutteslowe Park on
the threerd, adopted up by information from Drayton, Wantage and Aston
Rowant
on the 16th, 25th and 27th
respectively. Though a few of the autumns southern certain migrants had been nonetheless
current or transferring by way of with a Wheatear at Farmoor on the threerd
and a number of other Yellow Wagtail information from the Port Meadow from the
1st to the tenth. The altering of the guard continued as
the month went on with Swallow and Home Martin lastly departing
for essentially the most half by the 12th, with giant numbers of Redwing famous
arriving on the identical date. That being stated, the odd Swallow did dangle on
for a short time with a single current on the 18th and a small
flock of 9 within the north of the county on the 23rd.

This part can’t end with out
an honorary point out of the annual Woodpigeon motion that’s noticed
throughout the nation, sometimes in the direction of the tip of October to early November.
This motion normally entails many 10s of 1000’s of birds transferring south
in clear and nonetheless autumn climate, with some websites within the west of the nation
famous counts into the 100s of 1000’s! Oxon did handle to get in on
the motion this yr, albeit on a a lot smaller scale with solely 100s – to the
low 1000s famous, however the motion spectacular, nonetheless.

Gulls and Terns

A short 2cy Baltic
Gull
was current on Port Meadow on the 1st, in what’s changing into
nearly an anticipated annual subspecies due to the virtually sole effort of 1 gull
fanatic and was the twond or 3rd chook positioned this yr.
 

Baltic Gull courtesy of Thomas Miller


Caspian Gull,
nonetheless the staple of the enthusiastic gull watcher, had been
current at three websites this month, with the majority of the information coming from Farmoor.
As much as 4 birds had been current at anyone time and information most likely concerned at
least 6 totally different birds. Port Meadow had no less than 1 first yr birds, while
Appleford additionally hosted a 1cy chook on the 6th of the month. Mediterranean
Gull
had been solely current at Port Meadow from the 9th and
seen sporadically all through the month, a single 1st winter chook
typically seen coming into roost but additionally current in the course of the day. 

Farmoor Caspian Gull courtesy of Ben Sheldon

Raptors

The arrival of Autumn correct noticed the
first Brief-eared Owl flip up within the county on the 13th.
Though the primary information got here from Cow Down in Berkshire, given
the closeness of the border it appears extremely unlikely the 2 birds didn’t
often cross into Oxon airspace. Totally throughout the county although, a
single chook was current at Otmoor from the 19th, with it
being sporadically noticed proper up till the 31st. Persevering with the
autumnal really feel, Merlin information got here from two websites, with the basic website
of Childrey Discipline internet hosting a single juvenile on the 12th, while
one other juvenile was current at Woodstock on the 18th

Merlin courtesy of Gareth Cashburn

A single Passion remained at Otmoor
this month and continued effectively into the latter a part of the month, with two
current on the 17th and the lone chook nonetheless there till the 31st.
Additionally at Otmoor the makings of a spectacular Marsh Harrier roost
received below approach with a minimal of 12 birds seen coming into the reedbed by way of
the center and latter a part of the month. The wing-tagged chook (AB) that was
seen final month at Pit 60 was a part of this contingent current at Otmoor.
Curiously, its sibling (AD) was current at Nosterfield LNR in North
Yorkshire
, and supplied some helpful context as to how birds disperse into
the broader countryside regardless of coming from the identical nest website.

 

Patchwork problem

Patch

Birder

Factors

Species

Spotlight

Aston eyot

Ben Sheldon

83

81

Barnacle Goose

Ardley ERF

Gareth Casburn

108

98

Pochard

Dix pit

Simon Bradfield

87

80

Kingfisher

Grimsbury reservoir

Gareth Blockley

121

109

Hawfinch & Mandarin

Lye valley

Tom Bedford

 

 

Hawfinch & Yellow-browed Warbler

River Thames

Geoff Wyatt

 

 

 

Sutton Courtenay

Conor MacKenzie

141

123

Marsh Harrier, Firecrest, Ruff

Radley GP’s

Ian Elkins

 

 

 

Freeland

Glen Pascoe

 

 

 

South Hinksey

Alex Figueiredo

64

62

Raven

Cholsey

Alan Dawson

111

105

Gray Plover

 

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