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Jon Heath

@jonheath.bsky.social
352 followers 243 following 236 posts

Natural Science and Photography, but mainly Birds 🐦 | Cambridgeshire County Bird Recorder | Born at 356 ppm

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Jon Heath @jonheath.bsky.social · 28/09/2026
It was a lovely evening at Milton CP, made even better by views of a Yellow-browed Warbler (found earlier by James Hutchison) - a great bird to make it 100 sp on the patch this year @cambsbirdclub.bsky.social
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West Coast Birdwatching @westcoastbirds.bsky.social · 24/09/2026
HELP NEEDED! There is a stranded Manx Shearwater in the West Midlands (SOLIHULL) that needs a ride back to the coast. Can anyone in that area help? Even to take it some of the way and pass on to another volunteer? Please call 01437 723193 if you can help 🙏
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Jon Heath @jonheath.bsky.social · 12/09/2026
After what seems to have been a very poor autumn for them locally it was a surprise to see a Garganey at the Cambridge Research Park today - only my second patch record @cambsbirdclub.bsky.social
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BirdGuides @birdguides.bsky.social · 07/09/2026
Two impressive raptors pictured side by side feature in this week's Photo of the Week:
f.mtr.cool
Photo of the Week: 1-6 September 2026
BirdGuides Photo of the Week for 1-6 September 2026 features two impressive raptor species, Red Kite and Osprey, pictured side by side.
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Jon Heath @jonheath.bsky.social · 05/09/2026
Juv Osprey back at the Cambridge Research Park this morning, which the local Red Kites were not pleased about @cambsbirdclub.bsky.social
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Jon Heath @jonheath.bsky.social · 17/08/2026
I remember being inspired by this series as a young birder. Great to be able to watch it through again
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Jon Heath @jonheath.bsky.social · 01/08/2026
An enjoyable visit to Quy Fen yesterday to check out the newly discovered breeding population of Southern Emerald Damselflies (superbly found by Andrew Maddocks), as well as entertaining views of a noisy juvenile Cuckoo being fed by Reed Warblers @cambsbirdclub.bsky.social
Male Southern Emerald DamselflySouthern Emerald Damselfly mating pairJuvenile CuckooJuvenile Cuckoo being fed by Reed Warbler foster parent
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Richard K Broughton @richardkbroughton.bsky.social · 27/07/2026
If you remember Bill Oddie for one thing, let it be for this 4 minutes of magic. www.youtube.com/watch?v=MuY9...
youtube.com
Starling Magic
YouTube video by arcadeium
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Jon Heath @jonheath.bsky.social · 15/07/2026
Stourbridge Common in Cambridge is still attracting a nice assortment of Gulls, with 2 Mediterranean Gulls seen yesterday. Good to see that the one lingering around today is indeed different to the one on Sunday, with more white speckling on its head and a ring on the left leg.
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Jon Heath @jonheath.bsky.social · 02/07/2026
Last week's heatwave came too soon for the Milton CP Black-headed Gull chicks, which jumped off the raft before they were ready to fly. The Common Tern chicks seemed to be more resilient to the heat and this week were making their first practice flights @cambsbirdclub.bsky.social
Waterlogged Black-headed Gull chick unable to make it back onto the raft with parents looking on helplessly 3 well grown Common Tern chicks on the raft with 3 adults above.10 Common Terns and a Black-headed Gull over the raftCommon Tern juvenile making its first flight
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Peter Stronach @macstronach.bsky.social · 24/06/2026
and a wee bit of video of the Woodcock with chicks in tow! #highlandbirds 🪶
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Dr Charlie Gardner @charliejgardner.bsky.social · 23/06/2026
Reform UK councillors have introduced a motion to rescind King's Lynn and West Norfolk's climate emergency declaration and deprioritise decarbonisation efforts The council were going to vote on it on Thursday But the meeting has been postponed due to extreme heat
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Richard K Broughton @richardkbroughton.bsky.social · 18/06/2026
Very disappointing to see this continued profit-over-wildlife campaign from a major birdfood producer and seller. The RSPB/BTO guidance is very clear - do not put out seeds and peanuts between May and October. Not reduce, but stop. It is killing wild birds by the millions. #ukbirding
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BTO | British Trust for Ornithology @btobirds.bsky.social · 20/05/2026
1/ The latest Winter Gull Survey revealed that over the two decades since the last count, the total number of gulls wintering in the UK has decreased from 3.9 million to just under 2.5 million! 📉 #Ornithology #Seabirds 📖 Read the report www.bto.org/WinGSReport
A greyscale image features a Common Gull flying with its wings outstretched which fill the screen. Wording alongside reads: 1.4 Million Gulls Vanished.
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Jon Heath @jonheath.bsky.social · 11/05/2026
Some birds from the weekend in Cambs: a very late Tundra Bean Goose at Fen Drayton Lakes, and the party of Dotterel near Gamlingay had grown to 13 birds - I think the largest group in the county for over 20 years @cambsbirdclub.bsky.social
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Wildlife Trust BCN @wildlifebcn.org · 30/04/2026
1/ Sad news from Cambridge: the well-known female peregrine falcon of Cherry Hinton Chalk Pits has died. For years she nested on the reserve’s chalk face, raising chicks watched by thousands of visitors, birders, volunteers and local residents.
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🌱 Emma Marsh @emmamarsh5.bsky.social · 01/05/2026
🦉Birdwatching is now the second fastest growing hobby for Gen Z! Among millennials it has risen by 216% alongside a 66% increase in gen X birders. Welcome to a world of wonder! www.theguardian.com/environment/... #nature #birds
theguardian.com
Gen Z leads birdwatching boom as more Britons reach for the binoculars
Birdwatching no longer niche, old-fashioned pastime, says RSPB as research shows 47% increase in hobby since 2018
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Jon Heath @jonheath.bsky.social · 28/04/2026
Some local birding highlights from the last week. Really good to have spring migration in full flow @cambsbirdclub.bsky.social
Male Ring Ouzel at Wilbraham Common, one of three birds seen.Black Tern at Dernford Reservoir, part of a flock of 17 birdsWhimbrel (behind) at the Cambridge Research Park, with Common Sandpiper (in front)Cuckoo at the Cambridge Research Park
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Jon Heath @jonheath.bsky.social · 18/04/2026
6 Wheatears and a Whinchat at Tev Fen this evening. After a really poor spring last year it has been great to have such a strong passage of Wheatears locally @cambsbirdclub.bsky.social
male Wheatearfemale Whinchat
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Jon Heath @jonheath.bsky.social · 12/04/2026
Really pleased that @simongillings.bsky.social's Ring Ouzel hung around another day. It was showing really well late morning, viewed from the busy towpath at Chesterton Fen @cambsbirdclub.bsky.social
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Jon Heath @jonheath.bsky.social · 10/04/2026
Some nice views of a Weasel at Milton CP this morning - and for once, it actually stayed still long enough for a few photos!
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Alexander Lees @alexanderlees.bsky.social · 10/04/2026
Good to see some more movement on garden bird feeding but ultimately we need a rethink, not just because of disease but because making common birds commoner can make rare ones rarer #Ornithology #UKBirding www.theguardian.com/commentisfre...
theguardian.com
Feeding birds in our gardens is a joy – but it may be harming weaker species | Alexander C Lees
By boosting dominant species such as great tits, human-provided food can make life harder for many woodland birds, says conservationist Alexander C Lees
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The Rare Breeding Birds Panel @ukrbbp.bsky.social · 03/04/2026
What better way is there to spend the Easter 🐣 🐣🐣 weekend than birdwatching, and hopefully finding and recording rare breeding birds to help their conservation? There’s lots to look for in April, so here’s some ideas from RBBP Secretary @markaeaton.bsky.social #ornithology #UKbirding
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Jon Heath @jonheath.bsky.social · 05/03/2026
Lots of raptors soaring in the spring sunshine at Tev Fen earlier on. This Raven circling with Buzzards gave a nice size comparison @cambsbirdclub.bsky.social
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Jon Heath @jonheath.bsky.social · 02/03/2026
After going missing for a week I thought the long-staying drake Scaup had finally moved on from Milton CP. However today it was back with the remaining handful of Tufted Ducks. I wonder where it had gone in between? @cambsbirdclub.bsky.social
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Nicola Chester @nicolawriting.bsky.social · 27/02/2026
The BEST most hopeful news to wake to this morning! Bravo Hannah Spencer MP, bravo @westberksgreens.bsky.social who went up to support & are building members here. Thank you Gorton & Denton, @zackpolanski.bsky.social Hope over hate, community over protecting power & wealth, politics is changing!
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Jon Heath @jonheath.bsky.social · 22/02/2026
Records of Rough-legged Buzzard in Cambs stopped abruptly in 2019; before then it was pretty much annual in winter. Is the county's first Black-winged Kite now the more likely of the two raptors to occur...
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Alexander Lees @alexanderlees.bsky.social · 20/02/2026
No UK eBird records of Rough-legged Buzzard from 2026 yet (below); this species will likely be rarer nationally than Black-winged Kite in future. Both very visible signs of climate (and land-use) driven range shifts #UKBirding #Ornithology
2026 Rough-legged Buzzard records2026 Black-winged Kite records
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The Rare Breeding Birds Panel @ukrbbp.bsky.social · 19/01/2026
Great to see RBBP data being used in work led by @btobirds.bsky.social that improves our knowledge on the status of Little Egrets in the UK… there are more than we thought!
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Jon Heath @jonheath.bsky.social · 12/01/2026
A drake Ferruginous Duck at Milton CP today was a real surprise, whatever its origin, and topped off an excellent few days of local birding @cambsbirdclub.bsky.social #ukbirding
Drake Ferruginous Duck at Milton CPDrake Scaup at Milton CPFemale Goosander, a patch tick at Cambridge Research ParkWhite-fronted Geese at Cambridge Research Park
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Simon Gillings @simongillings.bsky.social · 12/01/2026
A four Aythya lunchbreak - as well as Tufted Duck and Pochard, drake Scaup and Ferruginous Duck at Milton Country Park. Top find by @jonheath.bsky.social #UKBirding
A drake Scaup asleepDrake Ferruginous Duck
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Lucas B Nature @lucasnature.bsky.social · 10/01/2026
An excellent #patch tick with 2 Greater White-fronted Geese showing well at the Cambridge Research Park this morning. Many thanks to @jonheath.bsky.social for finding. An adult female Goosander also present #birds #PWC2026 #photography @cambsbirdclub.bsky.social
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Jon Heath @jonheath.bsky.social · 07/01/2026
A drake Scaup late this afternoon on a small ice free area of Todd's Lake at Milton CP. After being well out of finding form recently it was nice to get something good on patch for a change @cambsbirdclub.bsky.social #ukbirding
drake Scaupsmall ice-free area on Todd's Lake
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Jon Heath @jonheath.bsky.social · 31/12/2025
Happy New Year! Some of the best birds seen and favourite pics from locally around Cambs this year. One of my highlights was recording over 100 species in April at my Tev Fen patch, though the habitat there and then interesting birds soon dried up @cambsbirdclub.bsky.social
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Jon Heath @jonheath.bsky.social · 31/12/2025
Great day out in Norfolk yesterday. After a bit of a wait the Black-winged Kite started hunting at Ludham Bridge and quickly caught a vole. Later on the Eastern Black Redstart showed brilliantly in the winter sunshine at Sheringham @mrm27.bsky.social #ukbirding
Black-winged Kite in flightBlack-winged Kite eating voleEastern Black RedstartSome cold birders optimistically seawatching at Sheringham
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Matthew Mellor @mrm27.bsky.social · 30/12/2025
Good visit to Norfolk today, 30/12/25, for the Black-winged Kite with @jonheath.bsky.social and a nameless friend, good views, then a bit of a seawatch at Sheringham with the E Black Redstart as an incentive, finishing with some nice wild swans. #birds 🪶🐦
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Alexander Lees @alexanderlees.bsky.social · 27/12/2025
Climate-driven range contractions in species like Twite and Citril Finch can't be fixed by releases www.birdguides.com/news/citril-... #Ornithology ##UKBirding 🪶
birdguides.com
Citril Finch population collapses in Germany amid broader European declines
Citril Finch has nearly disappeared from Germany’s Black Forest, with numbers plunging by over 97%. Across Europe, habitat loss and climatic change threaten this mountain specialist, prompting urgent ...
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RSPB @rspb.bsky.social · 17/12/2025
Absolutely shocking. We're offering an overall award of £10k for information that leads to a conviction in these cases. We need to make raptor persecution a thing of the past.
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Kane Brides 🦆 @kanebrides.bsky.social · 12/12/2025
📉 Our new paper shows Bewick’s Swan numbers in NW/NE Europe have fallen to ~12,900 birds - a 56.7% decline since 1995, with further losses predicted by 2026 unless survival or breeding success improves. Flyway-wide conservation is urgent. 🦢 Download paper > tidsskrift.dk/Wildfowl/art... #Ornithology
A flock of Bewick's Swans by Ben Cherry/WWT
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Jon Heath @jonheath.bsky.social · 03/12/2025
1st-winter Red-necked Grebe still showing really well at Fen Drayton Lakes today, often diving between submerged tree branches on the eastern side of Ferry Lagoon. The last one at this site was over 10 years ago @cambsbirdclub.bsky.social
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Jon Heath @jonheath.bsky.social · 02/12/2025
There must be some particularly good Shoveler food just out of reach at Milton CP as most of the over-wintering birds there have switched to a diving feeding technique @cambsbirdclub.bsky.social
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Alexander Lees @alexanderlees.bsky.social · 02/12/2025
Huge News from the Western Amazon: it's the year 2025 and we are still describing entirely new, strikingly-distinctive large-bodied bird species! Behold Tinamus resonans sp. nov. the Slaty-masked Tinamou mapress.com/zt/article/v... #Ornithology @tetzoo.bsky.social 🪶
Photo montage of Tinamus resonans sp. nov., a new species of tinamou from the montane forests of the Serra do Divisor, western Amazonia, Brazil. The species is distinguished by a unique combination of plumage pattern, vocal repertoire, and ecological characteristics, including a conspicuous dark slate facial mask, vivid rufous-cinnamon underparts, and a uniform brownish-gray back. Its vocalizations are remarkable, consisting of long and powerful songs that echo strikingly across the steep montane slopes, producing a characteristic resonant effect. The species was documented exclusively at higher elevations within a transitional zone between submontane and stunted forests, where the understory is densely structured by root mats. A preliminary population estimate, based on field detections and spatial extrapolation, suggests approximately 2,106 individuals restricted to the Serra do Divisor massif. Although no immediate anthropogenic pressures were observed within its range, the species may be highly vulnerable to climate change and to proposed infrastructure projects that threaten the integrity of this federally protected region. The discovery of T. resonans highlights the biological uniqueness of the Serra do Divisor, reinforces its status as a center of montane endemism, and underscores the critical importance of maintaining its long-term conservation.
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Kane Brides 🦆 @kanebrides.bsky.social · 01/12/2025
This time, the washes were ready! 🦢✅ After a 570km U-turn north to Aberdeenshire, likely due to low water at the Ouse Washes, the same swan has migrated south again & arrived to restored, higher levels. A real-world example of landscape-scale habitat assessment by migratory birds.
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RSPB @rspb.bsky.social · 25/11/2025
Last night the Government steamrollered its Planning Bill through, slamming the door on vital protections for nature. They said it would be a ‘win-win’ for the economy and nature. But in reality, they’ve pushed nature into last place.
A lone Golden Plover stands alert on a low, mist-covered mound, silhouetted against a pale grey sky. Its speckled plumage blends with the muted landscape, giving a sense of vulnerability and quiet resilience: a single bird holding its ground as its world shifts around it.
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Lesser Spot Network @lesserspotnet.bsky.social · 22/11/2025
Something to celebrate - our 2025 Lesser Spotted Woodpecker report - successful breeding season, the most nests monitored & highest number of chicks fledged per nest since we started in 2015. Acoustic monitoring giving amazing results too, download here www.woodpecker-network.org.uk/images/L_S_W...
Lesser Spotted Woodpecker at its nest in New Forest, photo by Steve LaycockSix Lesser Spot young in a Quantocks nest, photo Gus Robin
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Jon Heath @jonheath.bsky.social · 21/11/2025
Lovely crisp evening at Tev Fen with 7 raptor species seen. The Marsh Harrier roost is building up nicely but no sign of any Hen Harriers yet @cambsbirdclub.bsky.social
Peregrine pairMerlin - if you can spot it
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Graham Appleton @wadertales.bsky.social · 09/11/2025
Longevity record! Last night, @washwader.bsky.social recaught this Black-tailed Godwit, first caught and ringed 29 years ago. The metal ring was wearing thin (and was replaced) but the bird is still going strong. Blog about longevity of waders: wadertales.wordpress.com/2018/01/16/w... #ornithology
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The Rare Breeding Birds Panel @ukrbbp.bsky.social · 04/11/2025
The latest report from the RBBP, Rare Breeding Birds in the UK in 2023, is out now in British Birds. It reports on the 104 species and races of rare breeding birds recording breeding, or showing signs of breeding, in 2023. Read the summary at rbbp.org.uk/2023-report-... #ornithology #ukbirds 🧵[1/15]
The cover of the November 2025 issue of British Birds, with a Little Ringed Plover sheltering its chicks
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Edward Pollard @epollard.bsky.social · 31/10/2025
Central Cambridge Otter! My friend @w-mcewan.bsky.social just saw this Otter near the boathouses! (31 Oct '25) Incredible! @tonyjuniper.bsky.social @jonheath.bsky.social @craigbennett3.bsky.social
Otter in the River Cam
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