This lesson from PBS.org will explore the interdependence of organisms in an ecosystem, identify what some private citizens are doing to protect endangered turtles, and discuss whether or not humans have an obligation to help endangered species. Click here for the lesson plan.
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eBird Trip Reports: South Africa
Want to know which species other Holbrook travelers have seen on their birding trips to South Africa? Check out these eBird trip reports shared by past groups to see their checklists and get an idea of what you might encounter on your own birding expedition.
Photo of the Month: October 2025
Above: Our trip to Rwanda had many special and unique experiences, but a big highlight of the trip was the day we hiked into the Virunga Mountains to see a troop of golden monkeys.
Photo of the Month: September 2025
Our first full day in the Galápagos led us to Santiago Island and its barren, Mars-like scenery.