Reunion Island is a bird-watchers paradise the many birding aficionados head the island simply for the purpose of discovering how many species of winged creatures they can spot here.
The lush forests like Bebour-Belouve are ripe with all sorts of birds, and on an average hike through these areas, trekkers toting scopes should expect to view a variety of indigenous species unique to the island. Before you arrive, obtain a book on birds of Reunion Island and see if you can spot a Mascarene Swiftlet, Zebra Dove, a Reunion Stonechat, or a White-tailed Tropicbird. The seabirds here are quite fascinating as well and can usually be viewed from shore via a telescope.