June 8, 2026
Ulong Island, Palau Study Shows First‑Ever Evidence of Seabird‑Driven Land-Sea Recovery
A world-first controlled experiment shows connection between seabird activity and marine health on Ulong Island!
Published on
January 18, 2019
Written by
Emily Heber
For the first time in 180 years, Galápagos Land Iguanas (Conolophus
Galápagos Land Iguanas once roamed Santiago Island and fed on native cactus and other vegetation. In 1835, Charles Darwin visited the island and described iguanas so abundant that he had trouble finding a place to pitch a tent. Three years later, Abel du Petit-Thouars became the last person to record iguanas on the island.
Decades later, when researchers from the California Academy of Sciences visited Santiago they found only skeletal remains. Introduced feral pigs had wiped out the Galápagos Land Iguana population by destroying the native landscape and out-competing iguanas for food.
Santiago Island (58,465 ha / 144,470 acres) is one of the largest island in the world to be
Watch the Seeker video to learn more about the project.
Featured photo: Galápagos Land Iguana on a rock. Credit: Island Conservation
Check out other journal entries we think you might be interested in.
June 8, 2026
A world-first controlled experiment shows connection between seabird activity and marine health on Ulong Island!
May 13, 2026
A new project in Sonsorol State, Palau aims to improve livelihoods and climate resilience through holistic environmental restoration!
April 14, 2026
A historic moment: Wake Atoll is restored and thriving!
October 29, 2025
Astounding evidence of recovery on Ulong Island in Palau after just one year!
July 22, 2025
A species once thought extinct just made its comeback. A study published in PLOS ONE confirms the Leaf-toed Gecko has been rediscovered on Rábida Island in the Galápagos.
July 17, 2025
Great news from Tuvalu--our projects to restore Nukufetau Atoll, Tepuka, and Falefatu were successful!
June 17, 2025
Two new islands join the Island-Ocean Connection Challenge, linking terrestrial and marine conservation for maximum impact!
June 13, 2025
Our partner Conservation X Labs has joined the IOCC, committing to deploying transformative technology to protect island ecosystems!
May 19, 2025
Read our position paper on The 3rd United Nations Ocean Conference (UNOC 3) to see why we're attending and what we aim to accomplish!