Jason Gregg
@jasongregg.bsky.social
Conservation biologist and writer.
See my work at: jasonjgregg.com
See my work at: jasonjgregg.com
Sometimes field guide illustrations just don't cut it! Amazing photo of the Upe, one of the world's rarer pigeon species.
📸 Samuel Etienne
📸 Samuel Etienne
November 20, 2025 at 7:25 PM
Sometimes field guide illustrations just don't cut it! Amazing photo of the Upe, one of the world's rarer pigeon species.
📸 Samuel Etienne
📸 Samuel Etienne
The IUCN species survival commission has specialist groups for bats, microbes, cranes, and dozens of other species assemblages - This week, I'm excited to be joining the group for pigeons and doves as a member.
October 7, 2025 at 5:17 PM
The IUCN species survival commission has specialist groups for bats, microbes, cranes, and dozens of other species assemblages - This week, I'm excited to be joining the group for pigeons and doves as a member.
Unlike most of Hawaii, Kaua'i doesn't have mongooses... This recent close call is a scary reminder of how important vigilance + predator control is on islands.
September 12, 2025 at 10:52 PM
Unlike most of Hawaii, Kaua'i doesn't have mongooses... This recent close call is a scary reminder of how important vigilance + predator control is on islands.
so... which Pacific seabirds need the most attention? Ask the experts! Excited to share a new paper in @society4conbio.bsky.social We interviewed 70+ seabird scientists, cultural practitioners and managers across the Pacific.
conbio.onlinelibrary.wiley.com/doi/10.1111/...
conbio.onlinelibrary.wiley.com/doi/10.1111/...
June 18, 2025 at 5:26 AM
so... which Pacific seabirds need the most attention? Ask the experts! Excited to share a new paper in @society4conbio.bsky.social We interviewed 70+ seabird scientists, cultural practitioners and managers across the Pacific.
conbio.onlinelibrary.wiley.com/doi/10.1111/...
conbio.onlinelibrary.wiley.com/doi/10.1111/...
Mystery solved! This species description was based off of a single wing pulled from roadkill. Turns out its a hybrid.
Photo: NHM, R Safford
Map: Lynx Edicions/Birdlife International
Photo: NHM, R Safford
Map: Lynx Edicions/Birdlife International
April 15, 2025 at 6:18 PM
Mystery solved! This species description was based off of a single wing pulled from roadkill. Turns out its a hybrid.
Photo: NHM, R Safford
Map: Lynx Edicions/Birdlife International
Photo: NHM, R Safford
Map: Lynx Edicions/Birdlife International
None of our surveys on Fergusson would have been possible without the four Papua New Guinean co-authors on this paper: Doka Nason, Elimo Malesa, Serena Ketaloya, and Bulisa Iova.
March 6, 2025 at 6:51 PM
None of our surveys on Fergusson would have been possible without the four Papua New Guinean co-authors on this paper: Doka Nason, Elimo Malesa, Serena Ketaloya, and Bulisa Iova.
I'm excited to share a new paper out in the BBOC today! We documented 6 new island records for Fergusson Island in Papua New Guinea + cool natural history information.
...Including first photographs of a nesting Goldie's Bird-of-Paradise! Open access below. #birds
bioone.org/journals/bul...
...Including first photographs of a nesting Goldie's Bird-of-Paradise! Open access below. #birds
bioone.org/journals/bul...
March 6, 2025 at 6:19 PM
I'm excited to share a new paper out in the BBOC today! We documented 6 new island records for Fergusson Island in Papua New Guinea + cool natural history information.
...Including first photographs of a nesting Goldie's Bird-of-Paradise! Open access below. #birds
bioone.org/journals/bul...
...Including first photographs of a nesting Goldie's Bird-of-Paradise! Open access below. #birds
bioone.org/journals/bul...
That time we found a rare bird on southeast Farallon island and Stella baked a wagtail cake to celebrate #birdnerds
February 25, 2025 at 8:06 PM
That time we found a rare bird on southeast Farallon island and Stella baked a wagtail cake to celebrate #birdnerds
Torishima island through the eyes of field biologists. Loved this youtube tour of the island! Its one of the few places where Short-tailed albatross breed.
www.youtube.com/watch?v=raqW...
www.youtube.com/watch?v=raqW...
February 24, 2025 at 8:00 PM
Torishima island through the eyes of field biologists. Loved this youtube tour of the island! Its one of the few places where Short-tailed albatross breed.
www.youtube.com/watch?v=raqW...
www.youtube.com/watch?v=raqW...
I'm excited to share my new research published today with @oryxthejournal.bsky.social about a topic close to my heart - The work to stop wildlife poaching in the Mediterranean.
Open access:
www.cambridge.org/core/journal...
Open access:
www.cambridge.org/core/journal...
February 11, 2025 at 6:16 PM
I'm excited to share my new research published today with @oryxthejournal.bsky.social about a topic close to my heart - The work to stop wildlife poaching in the Mediterranean.
Open access:
www.cambridge.org/core/journal...
Open access:
www.cambridge.org/core/journal...
An American black duck showed up yesterday in MT, way outside its range, and everyone was stoked to beat back the gray blur of winter for a little while.
December 17, 2024 at 7:14 PM
An American black duck showed up yesterday in MT, way outside its range, and everyone was stoked to beat back the gray blur of winter for a little while.
What its like to get chased by pirates.
December 12, 2024 at 4:07 PM
What its like to get chased by pirates.
Banded this species years ago outside of Cali, Colombia. Definitely one of the strangest birds I've seen and handled up close.
November 13, 2024 at 5:31 PM
Banded this species years ago outside of Cali, Colombia. Definitely one of the strangest birds I've seen and handled up close.
Lifer Yellow-billed loon today!! In Helena, MT
November 2, 2024 at 10:30 PM
Lifer Yellow-billed loon today!! In Helena, MT
Yo, cassowary!
Old photo - this guy is probably my height by now.
Old photo - this guy is probably my height by now.
October 18, 2024 at 3:11 PM
Yo, cassowary!
Old photo - this guy is probably my height by now.
Old photo - this guy is probably my height by now.
New Britain Rails stalk the forest floor, from my camera trapping in Papua New Guinea.
We don't even know whether this species can fly! #birds
We don't even know whether this species can fly! #birds
October 15, 2024 at 7:38 PM
New Britain Rails stalk the forest floor, from my camera trapping in Papua New Guinea.
We don't even know whether this species can fly! #birds
We don't even know whether this species can fly! #birds
NEWS: From Maui. Five ʻAlalā (Hawaiian Crow) get helicoptered up the mountain for their upcoming release. A highly exciting development for this extinct-in-the-wild species.
📹Erin Johnson
October 10, 2024 at 2:32 PM
NEWS: From Maui. Five ʻAlalā (Hawaiian Crow) get helicoptered up the mountain for their upcoming release. A highly exciting development for this extinct-in-the-wild species.
📹Erin Johnson
Turns out pheasant-pigeon chicks are cute. This one just hatched at the Warsaw zoo.
Thanks for mentioning my project too! tvpworld.com/82344025/war...
📷 Ptaszarnia Warszawskiego Zoo/D.Aleksandrovich
Thanks for mentioning my project too! tvpworld.com/82344025/war...
📷 Ptaszarnia Warszawskiego Zoo/D.Aleksandrovich
September 18, 2024 at 6:19 PM
Turns out pheasant-pigeon chicks are cute. This one just hatched at the Warsaw zoo.
Thanks for mentioning my project too! tvpworld.com/82344025/war...
📷 Ptaszarnia Warszawskiego Zoo/D.Aleksandrovich
Thanks for mentioning my project too! tvpworld.com/82344025/war...
📷 Ptaszarnia Warszawskiego Zoo/D.Aleksandrovich
Cool coot behavior. Away from cover, wary of predators and nervously bunching up, a lot like a school of fish
September 4, 2024 at 1:29 PM
Cool coot behavior. Away from cover, wary of predators and nervously bunching up, a lot like a school of fish