@MusingMollusc profile picture
Aidan O'Hanlon @MusingMollusc

Entomology curator @NMIreland & Invertebrate ecologist interested in all aspects of Irish biodiversity. 🐌🐞🦟🐚🦋 Personal account.

Joined November 2016
  • Tweets 847
  • Following 849
  • Followers 822
175 Photos and videos
Aidan O'Hanlon retweeted
Georg Waldmensch 🌳@GWaldmensch
Apr 29
Shifting Baseline Syndrom. Eins der großen Probleme in der Wahrnehmung des Artensterbens. Kurz gesagt: Das was wir als Heranwachsender kennen, wird als der Normalzustand empfunden. Damit verschiebt sich aber die Baseline von Generation zu Generation, und viel Information geht verloren… der tatsächliche Verlust an Vielfalt ist viel dramatischer als wir ihn wahrnehmen.
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Aidan O'Hanlon retweeted
butterfly world 🦋
@butterfly5World
Apr 28
This insect is a female Giant Ichneumon Wasp, specifically the species Megarhyssa atrata (also known as the Black Giant Ichneumon Wasp).
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Aidan O'Hanlon retweeted
Earth
@earthcurated
Apr 26
The Conehead Praying Mantis probably the craziest insect you have seen all day! | photo by Marta Albareda
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Roger Casement: humanitarian, nationalist martyr and amateur zoologist. Read a summary of my upcoming publication here: rte.ie/brainstorm/2026/0424/…

Vipers, butterflies & parrots: the secret life of Roger Casement

Best known for his role in Ireland's fight for independence, Casement's fascinating zoological legacy can be found in many Irish museums and archives

rte.ie
RTÉ Brainstorm@RTEBrainstorm
Apr 24
Vipers, butterflies & parrots: the secret life of Roger Casement. Best known for his role in Ireland's fight for freedom, Casement's fascinating zoological legacy can be found in many Irish museums. By @MusingMollusc @NMIreland & Angus Mitchell RIA rte.ie/brainstorm/2026/0424/…
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Aidan O'Hanlon retweeted
RTÉ Brainstorm@RTEBrainstorm
Apr 24
Vipers, butterflies & parrots: the secret life of Roger Casement. Best known for his role in Ireland's fight for freedom, Casement's fascinating zoological legacy can be found in many Irish museums. By @MusingMollusc @NMIreland & Angus Mitchell RIA rte.ie/brainstorm/2026/0424/…

Vipers, butterflies & parrots: the secret life of Roger Casement

Best known for his role in Ireland's fight for independence, Casement's fascinating zoological legacy can be found in many Irish museums and archives

rte.ie
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Aidan O'Hanlon retweeted
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@greenvibe
Apr 22
Sweet spotted ladybug catching the light, nature’s little lucky charm.
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Aidan O'Hanlon retweeted
TheJournal.ie@thejournal_ie
Apr 22
For the third year in a row, a cuckoo has landed in Killarney National Park after flying over 9,000 kilometres from Ghana. Cuach Cores had not been heard of since last Autumn after he’d successfully crossed the Sahara. jrnl.ie/7019857

Cuckoo lands in Killarney National Park after flying 9,000 km from Ghana

Cuach Cores had not been heard of since last Autumn after he’d successfully crossed the Sahara.

thejournal.ie
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Aidan O'Hanlon retweeted
World's Amazing Things
@Hana_b30
Apr 19
What a stroke of luck. Right time right place! 📸 arunkumar6974
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Aidan O'Hanlon retweeted
butterfly world 🦋
@butterfly5World
Apr 17
: A touch of pink, a shimmer of blue, and a whole lot of nature’s magic. 🦋✨
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Aidan O'Hanlon retweeted
yohbo＠対馬@yohbo
Apr 17
トワダオオカ Toxorhynchites towadensis (Matsumura, 1916) 日本最大種。 吸血はせず、この個体も樹液を吸汁。 胸部が金属光沢を帯び美しい。 長崎県RLで絶滅危惧ⅠB類。 対馬では市街地周辺でも見ることができる。 23.Ⅵ.2015　対馬市厳原町　#対馬の昆虫
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Aidan O'Hanlon retweeted
Entomological Society of America@EntsocAmerica
Apr 15
Arthropod Photo of the Week: April 15, 2026 Millipede Oxidus gracilis Polydesmida: Paradoxosomatidae Observed in Fort Mountain State Park, Georgia USA By Steve Long (buff.ly/E7Fg4wO), Florida, USA #arthropodPOTW
Two brown millipedes are positioned on the rough surface of a tree trunk, one on the other’s back and bodies closely aligned. Green blurred background.

ALT Two brown millipedes are positioned on the rough surface of a tree trunk, one on the other’s back and bodies closely aligned. Green blurred background.

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Aidan O'Hanlon retweeted
The Last Homely House
@AHomelyHouse
Apr 14
This is the Eight Circled Cross page from the Book of Kells. The level of detail is absolutely insane; I made a replica of this a couple of years ago, and even scaling it up to twice the size, there were still sections I had to simplify because the detail was just too fine.
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Aidan O'Hanlon retweeted
Michael Bell@LearnNature
Apr 12
Rare Greenland Shark washed up at Finisklin, Sligo.
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Aidan O'Hanlon retweeted
Graham Appleton@GrahamFAppleton
Apr 10
Snipe news! 1/4 Two Snipe tagged in Iceland by José Alves left Ireland at dusk on 5 April and reached Iceland 17 hours later. See map. Averaging 80 and 87 km/h #ornithology
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Aidan O'Hanlon retweeted
Giorgi G.@GGarsev
Apr 7
I just found out about this creature called Chilean Harvestman. Top tier creature design, I've got to say.
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Aidan O'Hanlon retweeted
わらび餅@warabimochi_ic
Apr 4
Uganda🇺🇬
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Aidan O'Hanlon retweeted
Polymarket
@Polymarket
Apr 3
BREAKING: Artemis II crew captures new photo of Earth.
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Aidan O'Hanlon retweeted
Entomological Society of America@EntsocAmerica
Apr 1
Arthropod Photo of the Week: April 1, 2026 Sweat bee Halictus ligatus Hymenoptera: Halictidae Observed in North Carolina, USA By Rey Acevedo (buff.ly/SAMX5Lp), North Carolina, USA #arthropodPOTW
A close-up of a bee perched on a cluster of vibrant blue flowers with green buds, against a blurred green background.

ALT A close-up of a bee perched on a cluster of vibrant blue flowers with green buds, against a blurred green background.

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Aidan O'Hanlon retweeted
claire
@rosiekennedyxx
Mar 21
Nobody fell off harder than the hammerhead shark. Was a top shark for me as a kid and now completely obsolete in media and conversation.
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