Genovesa Island’s location in the North Hemisphere gave us a chance to cross the equatorial line and become so-called shellbacks. Genovesa is also home to one of the largest colonies of red-footed boobies worldwide. It also has a healthy population of great frigate birds, swallow-tailed gulls, Nazca boobies, and yellow-crowned night herons. It’s also home to the short-eared owl, which has adapted to the lack of predators (including the top predator, the Galapagos hawk) by hunting during daily hours. And there they were—very active looking for prey when the sun was still very high in the horizon.
10/3/2024
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National Geographic Endeavour II
Bartholomew Island and Sombrero Chino
We split into groups for different excursions this morning. Four groups went up the staircase to the top for the iconic view over the isthmus of Bartholomew Island and Pinnacle Rock. We walked past exposed volcanic formations of all sorts: spatter cones, tuff cones, and lava tubes. Two other groups chose to explore along the coast by Zodiac in hopes of Galapagos penguin sightings. All of us were successful in what we hoped for and even the walkers saw penguins near the dock where we disembarked! Both snorkeling off the beach and deep-water outings along the backside of the island were tremendously productive because we saw it all: penguins and sharks being the top species, and diving blue-footed boobies too! The afternoon had National Geographic Endeavour II anchored not too far south, off the coast of Santiago Island near Sombrero Chino. A dramatically barren, small volcanic cone where another snorkeling outing was offered and late-afternoon Zodiac rides to search yet one more time for penguins. We can never get enough of them!