Dalupiri Island is an

island An island (or isle) is an isolated piece of habitat that is surrounded by a dramatically different habitat, such as water. Very small islands such as emergent land features on atolls can be called islets, skerries, cays or keys. An island ...

in the

Babuyan Islands The Babuyan Islands ( ), also known as the Babuyan Group of Islands, is an archipelago in the Philippines, located in the Luzon Strait north of the main island of Luzon and south of Taiwan via Bashi Channel to Luzon Strait. The archipelago consi ...

Luzon Strait The Luzon Strait (Tagalog: ''Kipot ng Luzon'', ) is the strait between Taiwan and Luzon island of the Philippines. The strait thereby connects the Philippine Sea to the South China Sea in the western Pacific Ocean. This body of water is an im ...

north of

Luzon Island Luzon (; ) is the largest and most populous List of islands in the Philippines, island in the Philippines. Located in the northern portion of the List of islands of the Philippines, Philippines archipelago, it is the economic and political cen ...

in the

Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...

. The whole island makes up the

barangay A barangay (; abbreviated as Brgy. or Bgy.), historically referred to as barrio (abbreviated as Bo.), is the smallest administrative division in the Philippines and is the native Filipino term for a village, district, or ward. In metropolitan ...

of Dalupiri, which is part of the

municipality A municipality is usually a single administrative division having corporate status and powers of self-government or jurisdiction as granted by national and regional laws to which it is subordinate. The term ''municipality'' may also mean the go ...

of Calayan in

Cagayan Cagayan ( ), officially the Province of Cagayan ( ilo, Probinsia ti Cagayan; ibg, Provinsiya na Cagayan; itv, Provinsiya ya Cagayan; fil, Lalawigan ng Cagayan), is a Provinces of the Philippines, province in the Philippines located in the C ...

province A province is almost always an administrative division within a country or sovereign state, state. The term derives from the ancient Roman ''Roman province, provincia'', which was the major territorial and administrative unit of the Roman Empire ...

, which had 621 inhabitants in 2020, up from 611 in 2010. The island can reached by boat from the Port of

Aparri Aparri ( ilo, Ili ti Aparri; tl, Bayan ng Aparri), officially the Municipality of Aparri, is a 1st class municipality in the province of , Philippines. According to the 2020 census, it has a population of 68,839 people. It sits at the mouth of ...

Geography

Dalupiri Island lies about north of

Luzon Luzon (; ) is the largest and most populous island in the Philippines. Located in the northern portion of the Philippines archipelago, it is the economic and political center of the nation, being home to the country's capital city, Manila, as ...

and about north of

Fuga Island Fuga Island is an island and barangay located north of Luzon and is part of the Babuyan Islands, which is the second-northernmost island group of the Philippines. Barangay Fuga Island is one of the 42 barangays under the jurisdiction of the munic ...

. The island has an elongated elliptical shape orientated along a north–south axis, the island has a length of about , with a width of about at its widest point. The topography of the island is characterized by a flat hilly landscape, in the center of the island, the terrain rises to above sea level. The island has an area of . The longest river of the island is the Manolong River, about 2.5 km long. The vegetation of the island consists partly of dense, tropical vegetation, and partly agricultural land. The largest animals on the island are the

Carabao The carabao ( es, Carabao; tgl, Kalabaw; ceb, Kabaw; ilo, Nuang) is a domestic swamp-type water buffalo (''Bubalus bubalis'') native to the Philippines. Carabaos were introduced to Guam from the Spanish Philippines in the 17th century. They ...

and horses. A small population of the

Philippine crocodile The Philippine crocodile (''Crocodylus mindorensis''), also known as the Mindoro crocodile, the Philippine freshwater crocodile, the ''bukarot'' in Ilocano, and more generally as a ''buwaya'' in most Filipino lowland cultures, is one of two spec ...

(''Crocodylus mindorensis'') is also native to the island. Of the

avifauna Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight s ...

(birds) present on the island, the nankeen night heron (''Nycticorax caledonicus'') and the Zebra Ralle (''Gallirallus torquatus'') both are known to breed on the island. Another island named ''Dalupiri'' is located in the

Samar Sea The Samar Sea is a small sea within the Philippine archipelago, situated between the Bicol Region of Luzon and the Eastern Visayas. It is bordered by the islands of Samar to the east, Leyte to the south, Masbate to the west, and Luzon to the nort ...

, in the province of

Northern Samar Northern Samar ( war, Amihanan Samar/Norte san Samar; tl, Hilagang Samar), officially the Province of Northern Samar, is a Provinces of the Philippines, province in the Philippines located in the Eastern Visayas Regions of the Philippines, regio ...

References

:This article contains Public domain text from the U.S. Government ''Elihu Root collection of United States documents relating to the Philippine Islands'' (1906) {{Cagayan Babuyan Islands Islands of Cagayan Barangays of Cagayan