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Ethnologue > Web version > Country index > Asia > Philippines > Agta, Casiguran Dumagat

Agta, Casiguran Dumagat

A language of Philippines

ISO 639-3dgc

Population  610 (2000 T. Headland).
Region  Luzon east coast, Aurora Province.
Language map  Northern Philippines, reference number 29
Alternate names   Casiguran Dumagat
Dialects  Intelligibility with Paranan [agp] 83%.
Classification  Austronesian, Malayo-Polynesian, Philippine, Northern Luzon, Northern Cordilleran, Northeastern Luzon, Northern
Language use  All ages. Also use Filipino [fil].
Language development  Literacy rate in L1: 2%. Literacy rate in L2: 2%. NT: 1979.
Writing system  Latin script.
Comments  Negrito. There is pressure from Filipino homesteaders moving into the area. Traditional lands now used by homesteaders for agriculture. Hunter-gatherers.

Entries from the SIL Bibliography about this language:

Academic Publications

EARLY, John D.; HEADLAND, Thomas N., authors. 1998. Population dynamics of a Philippine rain forest people: The San Ildefonso Agta.

GRIFFIN, P. Bion; HEADLAND, Thomas N., authors. 1994. "The Agta of the Philippines."

GRIFFIN, P. Bion; HEADLAND, Thomas N., compilers. 1997. A bibliography of the Agta Negritos of Eastern Luzon, Philippines.  Available online

HEADLAND, Janet D.; HEADLAND, Thomas N.; UEHARA, Ray T., compilers. 2010. Letrato na Agta.

HEADLAND, Janet D.; HEADLAND, Thomas N.; UEHARA, Ray T., compilers. 2011. The Agta People: A Photographic Depiction of the Casiguran Agta People of Northern Aurora Province, Luzon Island, the Philippines.  Available for purchase

HEADLAND, Janet, author. 1966. "Case-marking particles in Casiguran Dumagat."

HEADLAND, Janet; HEADLAND, Thomas N., authors. 1974. A Dumagat (Casiguran) - English dictionary.

HEADLAND, Janet; HEADLAND, Thomas N., authors. 1988. "Rice cultivation practices in a Negrito foraging society in northeastern Luzon, Philippines."

HEADLAND, Janet; HEADLAND, Thomas N., authors. 1994. "Westernization, deculturation, or extinction among Agta Negritos? The Philippine population explosion and its effect on a rainforest hunting and gathering society."

HEADLAND, Janet; HEADLAND, Thomas N., authors. 1997. "Limitation of human rights, land exclusion, and tribal extinction: The Agta Negritos of the Philippines."

HEADLAND, Janet; HEADLAND, Thomas N.; UEHARA, Ray T., authors. 2007. Agta Demographic Database: chronicle of a hunter-gatherer community in transition.  Available online

HEADLAND, Thomas N., author. 1971. Spirit beings.

HEADLAND, Thomas N., author. 1975. "The Casiguran Dumagats today and in 1936."

HEADLAND, Thomas N., author. 1977. "Teeth mutilation among the Casiguran Dumagat."

HEADLAND, Thomas N., author. 1980. "Cultural ecology, ethnicity, and the Negritos of northeastern Luzon: a review article."

HEADLAND, Thomas N., author. 1981. Information rate, information overload, and communication problems in the Casiguran Dumagat New Testament.

HEADLAND, Thomas N., author. 1981. Taxonomic disagreement in a culturally salient domain: botany versus utility in a Philippine negrito taxonomic system.

HEADLAND, Thomas N., author. 1983. "An ethnobotanical anomaly: The dearth of binomial specifics in a folk taxonomy of a Negrito hunter-gatherer society in the Philippines."

HEADLAND, Thomas N., author. 1984. "Agta Negritos of the Philippines."

HEADLAND, Thomas N., author. 1985. "Imposed values and aid rejection among Casiguran Agta."

HEADLAND, Thomas N., author. 1985. "International economics and tribal subsistence: a report of a microeconomic study of a Negrito hunter-gatherer society in the wake of the Philippine crisis of 1983."

HEADLAND, Thomas N., author. 1986. Why foragers do not become farmers: a historical study of a changing ecosystem and its effects on a Negrito hunter-gatherer group in the Philippines.

HEADLAND, Thomas N., author. 1987. "Kinship and social behavior among Agta Negrito hunter-gatherers."

HEADLAND, Thomas N., author. 1987. "Negrito religions: Negritos of the Philippines Islands."

HEADLAND, Thomas N., author. 1987. "The wild yam question: How well could independent hunter-gatherers live in a tropical rain forest ecosystem?."

HEADLAND, Thomas N., author. 1988. "Ecosystemic change in a Philippine tropical rainforest and its effect on a Negrito foraging society."

HEADLAND, Thomas N., author. 1989. "Population decline in a Philippine Negrito hunter-gatherer society."

HEADLAND, Thomas N., author. 1990. "Paradise revised."

HEADLAND, Thomas N., author. 1990. "Time allocation, demography, and original affluence in a Philippine Negrito hunter-gatherer society."

HEADLAND, Thomas N., author. 1997. Endangered languages and SIL’s role in recording rare data for posterity.

HEADLAND, Thomas N., author. 1999. "Managing the natural resources of the Sierra Madre: what is the role of the Agta."

HEADLAND, Thomas N., author. 1999. The indigenous peoples’ rights act ’A triumph of political will’.  Available online

HEADLAND, Thomas N., author. 2003. Thirty endangered languages in the Philippines.  Available online

HEADLAND, Thomas N., author. 2004. "Basketballs for bows and arrows: deforestation and Agta culture change."

HEADLAND, Thomas N., author. 2010. "Why the Philippine Negrito languages are endangered."

HEADLAND, Thomas N.; HEALEY, Alan, authors. 1974. "Grammatical sketch of Dumagat (Casiguran)."

HEADLAND, Thomas N.; REID, Lawrence A., authors. 1991. "Holocene foragers and interethnic trade: a critique of the myth of isolated independent hunter-gatherers."

HEADLAND, Thomas N.; WOLFENDEN, Elmer, authors. 1967. "The vowels of Casiguran Dumagat."

HEMLEY, Robin, author. 2005. "Laurie Reid's importance to the Tasaday controversy."

HOWELL, Nancy, author. 1999. "The demographic puzzle of the Philippine Agta [review of Population dynamics of a Philippine rain forest people: the San Ildefonso Agta]."

LANDWEER, M. Lynn, author. 2012. Review of: Endangered languages of Austronesia, Margaret Florey, editor.  Available online

UEHARA, Ray T., author. 2009. "Developing the Agta demographic database: a computer scientist's adventure into the world of anthropology."

Vernacular Publications

Lagip na Agta. 1965.  Available online

Lagip ni Tariri. 1971.  Available online

Libru a pégbasaan. 1979.  Available online

Magadal kitam a magbasa. 1979.  Available online

Pakodyan tam a mangibut ta saket a tibi. 1969.  Available online

Philippine reader. 1965.

Puruméru / Ikadua / Ikatello / Ikaepat / Ikalima a libru a pegbasaan 1-5. 1965.  Available online

Tu aso sakay tu bakokol. 1965.  Available online