Nicholas Per Huffeldt's Avatar

Nicholas Per Huffeldt

@nphuffeldt.bsky.social

Senior scientist leading terrestrial and migratory bird research and monitoring at Pinngortitaleriffik, GL. Avian biology • Arctic chronoecology • Light cycles http://nphuffeldt.wordpress.com Personal account. Opinions & posts my own

1,785 Followers  |  1,533 Following  |  248 Posts  |  Joined: 01.02.2024
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Posts by Nicholas Per Huffeldt (@nphuffeldt.bsky.social)

True story.

04.03.2026 13:02 — 👍 1    🔁 0    💬 0    📌 0

New snow bunting research from our friends working in Iqaluit, Canada.

Found that snow buntings breeding there have a broad longitudinal wintering range.

Paywalled, so will have to wait until I’m in the office to read the entire article 🧪 🪶

01.03.2026 11:22 — 👍 15    🔁 1    💬 0    📌 0

Wait. One can write in zotero? I must investigate.

I usually just add the zotero word plug in and add hot keys for easy in-text citations…

26.02.2026 22:02 — 👍 0    🔁 0    💬 1    📌 0

There is no post above the first post… the problems were yesterday’s, which became today’s…

24.02.2026 10:29 — 👍 0    🔁 0    💬 1    📌 0
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Americans Are Uniquely Infatuated With Bald Eagles. Too Bad Most of Us Have No Idea What They’re Actually Like. For one thing, there's the sound they make.

Fun read about (pie)bald eagles

Excerpt of book by, @bittelmethis.bsky.social

Couldn’t get the tag to post above

#RaptorResearch 🪶

slate.com/technology/2...

24.02.2026 10:27 — 👍 3    🔁 0    💬 1    📌 0
Arctic redpolls in bird feeder

Arctic redpolls in bird feeder

Arctic redpolls in bird feeder

Arctic redpolls in bird feeder

Dapper fellows. Arctic redpolls are the main passerine we have in Nuuk over the winter 🪶

21.02.2026 14:37 — 👍 23    🔁 1    💬 0    📌 0

Our paper on snow bunting activity and flight across the annual cycle spotlighted by J. Avian Biol. 🧪

13.02.2026 10:06 — 👍 10    🔁 2    💬 0    📌 0
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Postdoc / Scientist in Arctic Bioacoustics and Soundscape Ecology The Greenland Climate Research Centre (GCRC) at the Greenland Institute of Natural Resources (GINR) invites applications for a postdoctoral position in Arctic bioacoustics and soundscape ecology, with...

Postdoc available in Arctic marine bioacoustics and soundscape ecology

Greenland Institute of Natural Resources

Deadline: 10 March
🌍🦑
naalakkersuisut.emply.net/recruitment/...

12.02.2026 23:09 — 👍 13    🔁 14    💬 0    📌 2
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Researcher/Senior Researcher in Benthic Ecology at the Greenland Climate Research Center at the Greenland Institute of Natural Resources The Greenland Climate Research Centre (GCRC) at the Greenland Institute of Natural Resources (GINR) invites applications for a position as researcher/senior researcher within the field of marine benth...

We are hiring a benthic ecologist at the researcher or senior researcher level 🧪🌍🦑

The Greenland Institute of Natural Resources is an excellent place to work, with friendly colleagues, support, and teaching opportunities.

naalakkersuisut.emply.net/recruitment/...

12.02.2026 22:51 — 👍 39    🔁 48    💬 0    📌 1
Cover of the newspaper Information for 10 Feb.

Cover of the newspaper Information for 10 Feb.

Can confirm. The warmth is unseasonable here.

Many of us are sorely missing snow for under our skis, and didn’t help that we had a misty rain today…

www.information.dk/udland/2026/...

09.02.2026 22:21 — 👍 6    🔁 3    💬 0    📌 0

Meanwhile in Nuuk we still don’t have enough snow to ski and the temps hover around 0…

08.02.2026 19:09 — 👍 0    🔁 0    💬 0    📌 0

Yeps, journal default pic. Check out Jenny’s website for more Nazca content

05.02.2026 23:59 — 👍 1    🔁 0    💬 0    📌 0

Bumping this to the science feed 🧪

Interesting science to ponder the interplay between seasonality and circadian rhythms.

05.02.2026 23:54 — 👍 11    🔁 4    💬 0    📌 0

Jenny writes great popular science pieces, plus the research is cool 🌍🧪

05.02.2026 23:46 — 👍 10    🔁 1    💬 1    📌 0

PhD lab still putting out papers on Nazca boobies in Galapagos 🧪🌍🪶 #Ornithology

04.02.2026 23:48 — 👍 14    🔁 4    💬 1    📌 0

🌍 🧪

04.02.2026 23:34 — 👍 5    🔁 0    💬 0    📌 0

Threats to Arctic murres are multifaceted and populations are threatened across their range.

Murres are however resilient and recently reestablished a breeding colony that was extinct.

But murres can benefit from more international conservation efforts #TeamAuk

7/end

pub.dof.dk/artikler/257...

24.01.2026 14:20 — 👍 1    🔁 0    💬 0    📌 0
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Changing winter diet of Thick-billed Murres (Uria lomvia) in southwest Greenland, 1990s versus 2010s Southwest Greenland constitutes an internationally important wintering area for seabirds, including Thick-billed Murres (Uria lomvia (Linnaeus, 1758)), but their prey may be affected by the general wa...

The murres’ food is changing around Nuuk, presumably because of how climate change is facilitating the “Atlantification” of the Arctic.

Atlantic species are becoming more common in areas previously dominated by Arctic species, often with a cost for Arctic spp

cdnsciencepub.com/doi/10.1139/...
6/n

24.01.2026 14:20 — 👍 1    🔁 0    💬 1    📌 0
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Sex-specific, inverted rhythms of breeding-site attendance in an Arctic seabird Abstract. In contrast to daily rhythms that are common in the presence of the geophysical light–dark cycle, organisms at polar latitudes exhibit many diel

They also maintain 24-rhythms when breeding under the continuous light of polar summer. The rhythm aligns to the daily change in light intensity.

However the sexes have opposite relationships to this daily cycle.

royalsocietypublishing.org/rsbl/article...
5/n

24.01.2026 14:20 — 👍 1    🔁 0    💬 1    📌 0
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High flight costs, but low dive costs, in auks support the biomechanical hypothesis for flightlessness in penguins | PNAS Flight is a key adaptive trait. Despite its advantages, flight has been lost in several groups of birds, notably among seabirds, where flightlessne...

These birds have some similarities to penguins but can fly, as well as dive to more 200 m deep.

Their flight is some of the most energetically expensive of all birds

www.pnas.org/doi/10.1073/...

4/n

24.01.2026 14:20 — 👍 1    🔁 0    💬 1    📌 0
GrønlandsBANKEN

Two species of murres coexist in the northern hemisphere—the primarily Arctic thick-billed murre and the more temperate common murre.

Thick-billed murres are the most prominent murre in Greenland, are a favorite food of locals, and are the logo of Greenland’s Bank

www.banken.gl

3/n

24.01.2026 14:20 — 👍 1    🔁 0    💬 1    📌 0
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Migration and wintering of a declining seabird, the thick-billed murre Uria lomvia, on an ocean basin scale: Conservation implications Pelagic seabirds are exposed to an array of potential threats during the non-breeding period, and effective management of these threats on a large sca…

In the Arctic, we have murres, known by Brits as guillemots, which need our support because populations are declining across much of there range, including in Greenland. #SeabirdSaturday

www.sciencedirect.com/science/arti...

2/n

24.01.2026 14:20 — 👍 5    🔁 2    💬 1    📌 0
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Slik endte pingvinene sin skjebne Ja, du leser riktig. Det har vandret spill levende pingviner på Røst ytterst i Lofoten – for over 70 år siden. Her kan du lese hvordan det gikk.

Someone brought penguins to Røst in northern Norway in the 1930s. The caretakers thought the idea was good and tried to set the birds up for success, but the penguins did not survive 🪶🌍

One was even killed by an old lady because she thought it was the devil.

In the… 1/n
www.nrk.no/nordland/sli...

24.01.2026 14:20 — 👍 11    🔁 1    💬 1    📌 0
Full street of people and Greenlandic flags with a prominent Greenlandic and Danish flag

Full street of people and Greenlandic flags with a prominent Greenlandic and Danish flag

Full of folks and Greenlandic flags

Full of folks and Greenlandic flags

The streets were full today in Nuuk. #Greenland had something to say 🇬🇱

Notice how the stream of folks stretches the length of the street in the left photo. Behind is just as packed for just as long.

Nuuk is only ~20,000 people. This was a very large portion of the city.

17.01.2026 19:46 — 👍 7    🔁 0    💬 0    📌 0

A group of ravens is called a conspiracy

And penguins = land dolphins (I heard this once so it must be true)
🪶 #Ornithology

05.01.2026 22:40 — 👍 3    🔁 0    💬 0    📌 0

Understandable. Looking forward to what y’all find out!

From my understanding, Greenland has suspended their participation at the political level of the council, but we can still participate in projects and funding calls.

29.12.2025 19:21 — 👍 1    🔁 0    💬 1    📌 0

Do you have plans to include GL eggs?

29.12.2025 18:24 — 👍 1    🔁 0    💬 1    📌 0

How do birds sense the magnetic field to navigate?

The research field is slowly coalescing around a quantum mechanics mechanism described in the thread below.

#Ornithology 🪶

27.12.2025 14:29 — 👍 8    🔁 4    💬 0    📌 0
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How the effects of latitude on daylight availability may have influenced the evolution of migration and photoperiodism A free Plain Language Summary can be found within the Supporting Information of this article

This may worth a read:

besjournals.onlinelibrary.wiley.com/doi/full/10....

22.12.2025 01:59 — 👍 4    🔁 2    💬 0    📌 0

Interesting - I’m going to check this out for teaching students about biological rhythms and light cycles

21.12.2025 18:03 — 👍 2    🔁 0    💬 1    📌 0