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Mark Coller @markcoller.bsky.social · 11/09/2026

Helice clouded yellow butterfly on Chipping Sodbury Common this morning, the first one I have seen here! @ukbutterflies.bsky.social

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Mark Coller @markcoller.bsky.social · 06/09/2026

A late morning walk on Chipping Sodbury Common produced a very unexpected Osprey that slowly flew south over us. @bristolbirding.bsky.social @yatebirder.bsky.social

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Mark Coller @markcoller.bsky.social · 05/09/2026

Willow Emerald around my small back garden pond!

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Mark Coller @markcoller.bsky.social · 30/08/2026

Great morning on Chipping Sodbury Common, pied flycatcher, 2 spotted flycatcher, 5 whinchat, 3 tree pipits, 5+ redstart, yellow wagtails, wheatear and lots more! @bristolbirding.bsky.social

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Mark Coller @markcoller.bsky.social · 21/08/2026

Finally, I got around to another visit to see the Glos Long tailed shrike. It showed so much better than last time! #Glosbirds

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Mark Coller @markcoller.bsky.social · 19/08/2026

Queen of Spain fritillary at Monk Sherborne, Hampshire this afternoon, 1 of 3 seen

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Mark Coller @markcoller.bsky.social · 15/08/2026

Willow warbler on Chipping Sodbury Common this morning plus spotted flycatcher, redstart, 3 yellow wagtail @bristolbirding.bsky.social

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Mark Coller @markcoller.bsky.social · 14/08/2026

Hummingbird hawk-moth in my garden today, nice to see one stationary for a change!!

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Mark Coller @markcoller.bsky.social · 13/08/2026

1 of 5 Spotted flycatcher on Chipping Sodbury Common this morning plus 2 whinchat, redstart, yellow wagtail, and 5 clouded yellow butterflies @bristolbirding.bsky.social

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Mark Coller @markcoller.bsky.social · 24/07/2026

Striped Hawk-moth in a friends garden in Yate this morning.

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Mark Coller @markcoller.bsky.social · 23/07/2026

Willow emerald damselfly in Kingsgate Park Yate this afternoon.

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Mark Coller @markcoller.bsky.social · 11/07/2026

1 of at least 10 Scarlet Darter at Silverlake Dorset this morning

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Mark Coller @markcoller.bsky.social · 11/07/2026

Lesser emperor dragonfly at Silverlake Dorset this morning

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Mark Coller @markcoller.bsky.social · 09/07/2026

A very early Willow emerald damselfly in Kingsgate Park Yate today!

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Mark Coller @markcoller.bsky.social · 08/07/2026

White Admiral in Lower Woods south glos this morning, plus 20+ silver washed fritillary, 6+ purple hairstreak.

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Mark Coller @markcoller.bsky.social · 05/07/2026

Valezina type Silver washed fritillary and clouded yellow butterflies at Lower Woods south glos this morning, also 30+ silver washed fritillary, white admiral, and 8 purple hairstreak.

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Mark Coller @markcoller.bsky.social · 03/07/2026

Silver studded blue, Lulworth skipper and grayling butterflies on Portland Dorset this morning.

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Mark Coller @markcoller.bsky.social · 03/07/2026

So many different dragonflies at Silverlake Dorset today, including red veined darter and keeled skimmer.

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Mark Coller @markcoller.bsky.social · 03/07/2026

Pair of Scarlet Darter mating at Silverlake Dorset today @britishdragonflies.bsky.social

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Mark Coller @markcoller.bsky.social · 03/07/2026

12+ Scarlet Darter at Silverlake Dorset today, a stunning place with so many dragonflies!

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Mark Coller @markcoller.bsky.social · 25/06/2026

The 2 moorhens in Kingsgate Park Yate having a disagreement! @bristolbirding.bsky.social

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Mark Coller @markcoller.bsky.social · 25/06/2026

2 moorhens having a stand-off in the heat in Kingsgate Park Yate @bristolbirding.bsky.social

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Mark Coller @markcoller.bsky.social · 25/06/2026

8+ Red veined darter in kingsgate park this morning including a pair egg laying. @britishdragonflies.bsky.social

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Mark Coller @markcoller.bsky.social · 12/06/2026

Great afternoon at Severn Beach, leach's petrel, Arctic skua, manx shearwater, and 4+ storm petrel @bristolbirding.bsky.social

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Mark Coller @markcoller.bsky.social · 26/05/2026

Very unusual marking on the Adonis Blue in Gloucestershire over the weekend.

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Mark Coller @markcoller.bsky.social · 26/05/2026

My first Duke of Burgundy butterfly for over 10 years in Gloucestershire over the weekend.

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Mark Coller @markcoller.bsky.social · 21/05/2026

20+ common blue and 2 brown argus near Hawkesbury Upton south Gloucestershire today .

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Mark Coller @markcoller.bsky.social · 24/04/2026

A beautiful Wood Warbler on Yate / Westerleigh Common this morning @bristolbirding.bsky.social

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Mark Coller @markcoller.bsky.social · 12/04/2026

Desert Finch and Masked Shrike from Sunset Point Paphos, Cyprus #cyprusbirds

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Mark Coller @markcoller.bsky.social · 12/04/2026

Purple Heron and Squacco Heron from Cyprus #cyprusbirds

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Mark Coller @markcoller.bsky.social · 12/04/2026

Ruppell's Warbler from Cyprus last week #cyprusbirds

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Mark Coller @markcoller.bsky.social · 12/04/2026

Just back from a week on Cyprus, the main reason was to try and see a Blue Cheeked Bee-eater, I saw 16 !

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Mark Coller @markcoller.bsky.social · 07/04/2026

Great morning on Chipping Sodbury Common, 3 whitethroat, 5 redstart, 4 swallow, sand martin, lots of chiffchaffs, and blackcaps. @bristolbirding.bsky.social

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Mark Coller @markcoller.bsky.social · 29/03/2026

Wonderful views of this Night Heron at Bath this afternoon! @bristolbirding.bsky.social

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Mark Coller @markcoller.bsky.social · 23/02/2026

The best I could get of the Pilning wetlands Hooded Merganser. A great bird for South Gloucestershire @bristolbirding.bsky.social

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Mark Coller @markcoller.bsky.social · 08/02/2026

Lovely views of the Lesser Yellowlegs at Truro Cornwall this afternoon, also a common sandpiper and black tailed godwit. @cbwps.org.uk

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Mark Coller @markcoller.bsky.social · 07/02/2026

Bonapartes, Mediterranean, and black headed gull off Tolcarne Beach Penzance today. @cbwps.org.uk

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Mark Coller @markcoller.bsky.social · 07/02/2026

Superb views of the male and female Lesser Scaup on Helston boating lake. @cbwps.org.uk

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Mark Coller @markcoller.bsky.social · 04/01/2026

1 of 2 Whooper Swans on a great morning out at Chew Valley Lake. @bristolbirding.bsky.social

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Mark Coller @markcoller.bsky.social · 01/01/2026

Some wonderful views of the 3 penduline tits at Aust Wetlands this morning @bristolbirding.bsky.social

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Mark Coller @markcoller.bsky.social · 21/12/2025

2 of the 3 penduline tits at Aust Wetlands today

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Mark Coller @markcoller.bsky.social · 09/12/2025

After 2 days of failing to find any at other sites, I finally saw 4 Yellow eyed penguins today at Katiki Point, New Zealand

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Mark Coller @markcoller.bsky.social · 05/12/2025

Superb night out watching Southern Brown Kiwi on Stewart Island, New Zealand, with Beaks and Feathers tour company. 🪶🇳🇿

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Mark Coller @markcoller.bsky.social · 03/12/2025

A day of 2 extremes, a Fiordland crested penguin so far out in Milford Sound that I nearly missed it, to a Weka sat 3 feet away on my picnic table!! 🪶🇳🇿

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Mark Coller @markcoller.bsky.social · 30/11/2025

After totally failing to find Black Stilt yesterday, I was so glad to see 2 along Lake Pukaki today and some lovely Black Fronted Terns. 🪶🇳🇿

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Mark Coller @markcoller.bsky.social · 28/11/2025

Kea being naughty in the car parks at Arthur's Pass, New Zealand 🪶🇳🇿

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Mark Coller @markcoller.bsky.social · 28/11/2025

Kea at Arthur's Pass New Zealand, such wonderful characters! 🪶🇳🇿

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