When the tortoises graze the cactus’s fallen leaves, they prevent the paddle-shaped pads from taking root and competing with their parents.

There have been frequent sightings of the cactus finches on Pinzon Island, a species considered extinct from the region for more than four decades. A healthy population of geckos, known only from ...

A Williamsburg couple celebrate their daughter’s birthday, heading to the eastern Pacific. A lava cactus on Santiago Island, Galápagos Islands, Ecuador, in September 2024. (Jim Goggin and Deb ...

On Daphne, we found the medium ground finch (Geospiza fortis) occasionally bred with the cactus finch (G. scandens) and the small ground finch (G. fuliginosa), a rare immigrant to the island.

There have been frequent sightings of the cactus finches on Pinzon Island, a species considered extinct from the region for more than four decades. A healthy population of geckos, known only from ...