#PhotoOfTheDay: A Tide-Fueled Trove of Biodiversity in Guinea-Bissau The expansive mudflats, sandy beaches, and mangrove forests of the Bijagós archipelago support an array of migratory shorebirds and large numbers of sea turtles. https://science.nasa.gov/earth/earth-observatory/a-tide-fueled-trove-of-biodiversity-in-guinea-bissau/