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Richard D. Gregory

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H-index: 75
Environmental science 69%
Geography 17%
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by Richard D. Gregory

by Richard D. Gregory

richgreg3.bsky.social
Great views of Red-tailed shrike at @nationaltrust.org.uk Dunwich this morning - then a fly over white-tailed eagle at Minsmere - lovely staff & vols at a windy @rspbminsmere.bsky.social - #RareBirdsUK photo @alicegroom.bsky.social 🐦
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Reposted by: Richard D. Gregory

Reposted by: Richard D. Gregory, Eleanor Robson

kingfishersbridge.bsky.social
💗 We're thrilled to stock some of @katiefullerart.bsky.social beautiful greetings cards in our Visitor Centre shop!
👩‍🎨 Katie is a really talented local printmaker who uses innovative techniques and inks to highlight Fenland wildlife. All printed on sustainable materials in compostable packaging too!
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Reposted by: Richard D. Gregory

rspbscience.bsky.social
Did you know? Plumicorns aren't for hearing

The long, pointy feathers on some owls' heads are neither horns not ears, but specialised feathers called plumicorns. Their function is not yet fully understood but could help with camouflage

#ScienceFactFriday
A Long-eared Owl stares through foliage at the camera. A label points to the long horn-like feathers on its head, labelling them as plumicorns.
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Reposted by: Richard D. Gregory

kirstyfranklin.bsky.social
Very cool new #seabird paper showing no difference in breeding success between healthy and black-eyed gannets, but a worrying overall decline in productivity following the #avianflu outbreak. 🦠🐣

Read the paper here 👉 onlinelibrary.wiley.com/doi/10.1111/... #seabirds #ornithology
A breeding pair of Gannets on the Bass Rock with their chick. One of the adults clearly has a black eye, an indicator of past exposure to highly pathogenic avian influenza, while the other is normal/healthy.
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Reposted by: Richard D. Gregory

bou.org.uk
EARLY VIEW in IBIS

Effect of a previous high pathogenicity avian influenza (HPAIV) infection on the breeding success of Northern Gannets (Morus bassanus) | onlinelibrary.wiley....

Sue Lewis et al | #ornithology 🪶
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Reposted by: Richard D. Gregory

duncanwestbury.bsky.social
Not good. www.theguardian.com/environment/...
Wild bird numbers continue to fall in UK with some species in ‘dramatic freefall’
Species index fell by 4% between 2019 and 2024 – although data shows woodland populations beginning to stabilise
www.theguardian.com
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Reposted by: Richard D. Gregory, Stephen D. Murphy

bbs-birds.bsky.social
3. The Woodland indicator has shown worrying recent short-term declines, but shows signs of stabilising. Favourable climatic conditions may explain this, favouring species like Blackcap. Nightingale too is shows a recent increase. But Willow Tit and migrants like Spotted Flycatcher are in decline.
Adpated image from the Defra official statistics for specialist woodland birds showing the long-term changes in percentage change - 1970-2023 on the left and short term changes (2018-2023) on the right. Species are ordered by the value of the long term change, with the largest declines at the top (in red/orange) to largest increases in green/blue). Species with no detectable change are in grey. Willow Tit and Wood Warbler are highlighted as species in trouble, Nightingale as species which have experienced big long term declines are showing some signs of improvement and Chiffchaff as a species with huge increases over both time periods
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Reposted by: Richard D. Gregory

lowcarbonkev.bsky.social
R4 Farming today: Farmland birds down *down 11%* in last five years 2019-24 (05:20 in).
RSPB prof: "rapid nosedive.. no research for period to hand yet.. can only speculate.. is it land use/farming practice changes or is it additional emerging climate change factors, just don't know at this stage"
🤔
Farming Today - 24/09/25: New farmland bird stats, Corn Buntings, precision Plum growing. - BBC Sounds
England's farmland birds are continuing to decline according to new government figures.
www.bbc.co.uk
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Reposted by: Richard D. Gregory, Patrick Dunleavy, Jonathan Hopkin , and 1 more

charliejgardner.bsky.social
A 7% decline in English birds in just 5 years is astonishing

The web of life is unravelling fast
Wild bird numbers continue to fall in UK with some species in ‘dramatic freefall’
Species index fell by 4% between 2019 and 2024 – although data shows woodland populations beginning to stabilise
www.theguardian.com
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by Richard D. Gregory

Reposted by: Richard D. Gregory

Reposted by: Richard D. Gregory

Reposted by: Richard D. Gregory

rspbscience.bsky.social
Latest government stats show a continued decline in many bird species across the UK 🪶🧪

www.gov.uk/government/s...

These data are made possible by the dedication of expert volunteers, allowing us to track common bird populations for >50 years
Wild bird populations in the UK and England, 1970 to 2024
www.gov.uk
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Reposted by: Richard D. Gregory, Rob Marchant

btobirds.bsky.social
1/ The Wild Bird Indicators, using BTO data, have been updated today by Defra! ⬇️

Sadly, the ‘all bird species’ index, comprising the population trends of 130 species, has been in a slow continuous decline in the UK since the 1970s, down by 18% and by 4% in the last five years. 📉 #Ornithology
Image of two Turtle Doves perching on branches over water, one leans down to take a drink. Wording to the left reads: Wild Bird Indicators. For populations in the UK and England, 1970 to 2024. Out now!
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Reposted by: Richard D. Gregory, Patrick A. Jansen, Mark Walters

theguardian.com
Wild bird numbers continue to fall in UK with some species in ‘dramatic freefall’
Wild bird numbers continue to fall in UK with some species in ‘dramatic freefall’
Species index fell by 4% between 2019 and 2024 – although government data shows woodland populations beginning to stabilise Wild bird species face an accelerating decline in the UK, new figures show, with some species heading for local extinction. Bird numbers have plummeted since the 1970s, and new government data shows that trend continuing; between 2019 and 2024 the species index declined in the UK by 4% and England by 7%. Continue reading...
www.theguardian.com
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Reposted by: Richard D. Gregory

bou.org.uk
North American bird declines are driven by reductions in common species | www.science.org/doi/... | Science Advances | #ornithology 🪶
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by Richard D. Gregory

by Richard D. Gregory

richgreg3.bsky.social
🗒️Great new paper ↘️ 'Beyond Species Richness for Biological Conservation'
The Society for Conservation Biology conbio.onlinelibrary.wiley.com/doi/10.1111/...
@rspbscience.bsky.social
conbio.onlinelibrary.wiley.com
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by Richard D. Gregory

richgreg3.bsky.social
www.sciencedirect.com/science/arti...
Balancing grazing and biodiversity: Arthropod responses to modern cattle farming practices
Ruminant production exerts severe pressure on ecosystems through land use change for pasture and fodder production, contributing to biodiversity loss,…
www.sciencedirect.com
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Reposted by: Richard D. Gregory

bou.org.uk
EARLY VIEW in IBIS

Wetland location and captive breeding influence trans-Mediterranean movements in the endangered Marbled Duck (Marmaronetta angustirostris) | onlinelibrary.wiley....

Irene Pacheco-Guardiola et al | #ornithology 🪶
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Reposted by: Richard D. Gregory

ibioconsultants.com
#OECD highlights rising interest in #BiodiversityCredits and mobilise private finance. Clear rules, robust monitoring & govn. oversight are vital to avoid greenwashing & ensure integrity. Benefits exist, but risks must be weighed. #NatureFinance #Conservation 🌍

www.oecd.org/en/publicati...
Biodiversity credits: Scaling Up Biodiversity-Positive Incentives
To halt and reverse nature loss, economic incentives must swiftly be aligned with global biodiversity goals. This OECD report provides strategic guidance on scaling up biodiversity-positive incentives...
www.oecd.org
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by Richard D. Gregory

richgreg3.bsky.social
www.birds.cornell.edu/home/avilist...
AviList: A Unified Global Checklist of the World's Birds is Now Available
AviList, a unified global checklist of birds, that provides the most current and authoritative taxonomy of birds around the world was released today by experts in taxonomy, nomenclature, and bioinform...
www.birds.cornell.edu
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by Richard D. Gregory

richgreg3.bsky.social
Yep, you have first shot curlew sandpiper 🐦👍
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Reposted by: Richard D. Gregory

ibioconsultants.com
New Zealand aims for Predator Free 2050 - eradication of #InvasiveAlienSpecies which harm native species (especially birds like the kiwi). It will be one of the biggest #conservation programs worldwide 🌍

#BiodiversityAction #IAS #PredatorFree2050 #EndangeredSpecies

www.npr.org/2025/09/08/n...
New Zealand's bold plan to save endangered animals: kill millions of invasive animals
Many of New Zealand's unique birds are heading toward extinction. So the country is taking on an ambitious conservation project: eradicating the invasive species that prey on them.
www.npr.org
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Reposted by: Richard D. Gregory

ibioconsultants.com
Biodiversity Credits:

Does the world need a new credit market place or are we all being conned? 🌍

dialogue.earth/en/nature/th...
The tangle of biodiversity credits
Funding is needed to reverse global biodiversity loss. A credits market has been touted as a solution, but environmental groups say ‘don’t be fooled’
dialogue.earth
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Reposted by: Richard D. Gregory, Julie Leask

thijskuiken.bsky.social
Highly pathogenic avian influenza H5N1 reaches Gough Island, where it is associated with mortality in three Tristan skuas. This is worrying because Gough Island is an important breeding site for seabirds, including several species of global conservation concern.
www.biorxiv.org/content/10.1...
Tristan skua (Stercorarius antarcticus hamiltoni). Photo by Noah Strycker.
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by Richard D. Gregory

richgreg3.bsky.social
⬇️ @wclnews.bsky.social @britishecologicalsociety.org
UK target to protect 30% of land & sea for nature by 2030. But just ~6% of land across the UK is properly protected with just 5 years to go...."

Here's how to fix this:

www.wcl.org.uk/assets/uploa...

@rspb.bsky.social @rspbscience.bsky.social
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Reposted by: Richard D. Gregory

alexanderlees.bsky.social
Jerdon's Courser rediscovered (again) #Ornithology
Dream come true – Jerdon’s Courser discovered outside Lankamalla after 125 years – on the first day of our trip!
Chapter 1: The Expedition Origins 5 months later after my below banter in our Narcondam Hornbill group, Adesh Shivkar and I set out to find the Jerdon’s Courser, a Top 10 Lost Bird in the wor…
harryfication.wordpress.com
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References

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