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nicola crockford Profile picture
nicola crockford
@numenini
RSPB Principal Policy Officer. BirdLife Global Flyways Programme policy lead. Privileged to work full time for the world's migratory birds. Views mine alone.
Aug 14, 2024 • 24 tweets • 20 min read
Astonished to find the 1.5km of River Lark from Mildenhall to Worlington includes glorious prime #chalkstream, silken with River Water Crowfoot. I indulged in it sans wetsuit (H2O 19°C) the last 2 eves, 1st entering top left. Here's a cooling🧵on the wonders found. #MySwim 1/22


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 At the Worlington end of my River Lark Swim delighted to find the River Water Crowfoot (Ranunculus fluitans) still in flower, spangling the long tresses gilded by the evening sun. I swim upstream first. It's then a lot faster going back down!
#chalkstreams #WestSuffolk 2/22


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Aug 17, 2023 • 5 tweets • 5 min read
Poor, poor River Cam. 1 of most disappointing swims we've had & our 1st in UK for 8 weeks. Should've been divine on this gorgeous summer evening, snorkelling 500m up from Braseley Bridge to Byron's Pool, water 17.4°C (air 23.8). But shockingly, visibility almost nil. #MySwim🧵1/5


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Image Perhaps the awful visibility of the River Cam is why this fisherman is looking so thin & lethargic?
There's masses of fish in there, evident as they surface, but if they can't be seen otherwise, do the piscivorous birds go hungry?
#BirdsSeenIn2023 #Cormorant #Trumpington 2/5


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Aug 27, 2022 • 25 tweets • 31 min read
#invertefest 🧵on amazing #marineinvertebrates of NW Sicily's Mediterranean. On night snorkel met incredible Spotted Bumble Bee Shrimp (Gnathophyllum elegans)! And Rugose Spider Crab (Herbstia condyliata)? but what's the zooming red shrimp that kept crashing into us? #MySwim 1/25 Other common crabs of the Gulf of Castellammare, Sicily include: Sea Urchin (Percon gibbesi) especially among break water boulders, Warty (Eriphia verrucosa), Runner Crab (Pachygrapsus marmoratus) - by anemone, & Mediterranean Intertidal Hermit (Clibanarius erythropus) crabs 2/25
Apr 18, 2021 • 7 tweets • 12 min read
After walking from #Freckenham down gorgeous Kennett-Lee Brook, a perfect-looking #chalkstream, as I slipped into #RiverLark at West Row on a perfect Saturday a.m., was buzzing with anticipation for a swim up Lee Brook. But, horrors! For almost a mile a DEAD ZONE!
#MySwim
1/7 Apart from some swarms of fish fry at the confluence of the Lee Brook with the #RiverLark, many of which were diseased, including these Roach, for the first mile, the only fish I saw were diseased or dead, such as this Perch & these Three-spined Sticklebacks.

#Freckenham

2/7