Portal:Puerto Rico/Did you know entries/15

Natural science topics
 * ... that the Camuy River is the third longest underwater river in the world?
 * ... that the Puerto Rican spindalis is the national bird of Puerto Rico and often participates in mobbing, a behavior in which it attacks predators to defend hatchlings?
 * ... that El Yunque National Forest, is the only tropical rainforest in the U.S. National Forest System and that more than a billion gallons of precipitation fall each year?
 * ... that the Puerto Rico Trench, roughly parallel to the island and 75 miles north, is home to the deepest submarine depression in the North Atlantic Ocean, and that the deepest point in the Atlantic Ocean, the Milwaukee Depth (27,493 ft / 8,380 m), lies within the trench?
 * ... that the El Yunque National Forest in Puerto Rico is one of the oldest protected areas in the Western Hemisphere by virtue of having been set aside by the Spanish Crown in 1876 while Puerto Rico was still part of the Spanish Empire? Was designated a United Nations Biosphere Reserve in 1976.
 * ... that Flamenco Beach located in Culebra was rated the second most beautiful beach in the world?
 * ... that the Guánica State Forest was designated a United Nations Biosphere Reserve in 1981 and is considered the best preserved, most virgin subtropical forest in the Americas?
 * ... that the Baños de Coamo are Puerto Rico's only thermal springs?
 * ... that the Common coquí or Coquí (Eleutherodactylus coqui) a frog native to Puerto Rico, is a very important aspect of Puerto Rican culture and it has become an unofficial territorial symbol of Puerto Rico?
 * ... that Puerto Rico's beaches come in every size, color, and form, from the pure white dunes of Isabela to the black volcanic sands near Punta Santiago?