REFERENCES:
Almazol, Amalia E, Cervancia, Cleofas R., BUOT, Inocencio E, JR., GRUEZO, William SM., PAMPOLINA, Nelson M. 2013. Floristic Composition and Physiognomy of Pagbilao Mangrove, Quezon Province, Philippines. IAMURE International Journal of Ecology and Conservation. Vol. 7
Aquino-Gayao, Gretchen. 2014. The Biodiversity Finance Initiative - BIOFIN Philippines: Policy and Institutional Review.
Bibby, Colin., Jones, Martin., Mardsen, Stuart. 1998. Bird Surveys: Expedition Field Techniques: The Expedition Advisory Center, Royal Geographic Society, London, pp. 134 -137.
BirdLife International. 2018. “Forty Percent of the World’s Bird Populations Are in Decline, New Study Finds.” https://e360.yale.edu/digest/forty-percent-of-the-worlds-bird-populations -are-in-decline-new-study-finds?fbclid=IwAR39S9HvXWZKGkYCUarksmHFmFiabq4OELyvztfn0jdcdv_RiZ8PT77oaY
Biodiversity Management Bureau (BMB). 2016. “Status of the Philippines Biodiversity.” BMB Official Website. Retrieved from: https://bmb.gov.ph/388-protection-and-conservation-ofwildlife/facts-and-figures/786-status-of-the-philippine-biodiversity
Bowers Nora, Bowers Rick., Kaufman Ken. 2000. Kaufman Field Guide to Birds of North America. New York, NY: Hillstar Editions L.C.
Buckland, Stephen T., 2006. Point-Transect Surveys for Songbirds: Robust Methodologies, The Auk, Volume 123, Issue 2, 1 April 2006, Pages 345–357, https://doi.org/10.1093/auk/123.2.345 27
Carboneras, Carles., Kirwan, Guy M. 2020. Philippine Duck (Anas luzonica), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.phiduc1.01
Codilan, Analyn L., Carandang, Myrna G., CALDERON, Margaret M., ESLAVA, FM. 2009. Aboveground biomass production of three mangrove species in Real, Quezon Province, Philippines
Convention on Biological Diversity (n.d). “Philippines-Country Profile.” Convention on Biological Diversity. Retrieved from: https://www.cbd.int/countries/profile/default.shtml? country=ph#facts
Encyclopedia of Life. (n.d.) “Philippine Duck Articles - Encyclopedia of Life,” eol.org, accessed December 29, 2019, https://eol.org/pages/45515916/articles.
Fernando, P. U. U., AND Amarasinghe, N. J. 2002. “Species Abundance Distributions of Bird Communities in Four Agro Ecosystems.” Tropical Agricultural Research and Extension 5 (1-2): 68-71
Fraser, Louis. 1839. Anas luzonica in GBIF Secretariat (2019). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2020-05-08.
Galang, Armand. 2014. “7 Nabbed for Hunting Wild Ducks in Nueva Ecija.” Inquirer News. Philippine Daily Inquirer, 14 Feb. 2014. Web. 03 Aug. 2014. http:// newsinfo.inquirer.net/577833/7-nabbed-for-hunting-wild-ducks-in-nueva-ecija GrrlScientist. 2012. Mystery bird: Philippine duck, Anas luzonica https://www.theguardian.com/ science/grrlscientist/2012/mar/03/4
Hostetler, Mark E., Main, Martin B. 2001. Florida Monitoring Program: Point Count Method to Survey Birds. Wildlife Ecology and Conservation, University of Florida. http://edis.ifas.ufl.edu.
Jansenn, Ron., Padilla, Jose E. 1996. Valuation and Evaluation of Management Alternatives for the Pagbilao Mangrove Forest. CREED (Collaborative Research in the Economics of the Environment) Working Paper Series No.9 37pp.
Kishoran, Shakthivel., Harris, Mohamed., Vinobaba, Muthulaxmi., Periyathamby, Vinobaba. 2017. Bird Diversity and Threaten to Their Habitat in Sathurukondan Birding Site in Batticaloa, Sri Lanka. Journal of Agricultural Science and Technology A. 7. 10.17265/2161- 6256/2017.02.007.
Lepage, Denis., 2015. Avibase - Bird Checklist of birds World: Philippines. Retrieved from http:// avibase.bsc-eoc.org/checklist.jsp?region=PH
Licuanan, Ardea., Duya, Mariano Roy., Ong, Perry., Fontanilla, Ian Kendrich. 2017. DNA barcoding, population genetics, and phylogenetics of the illegally hunted Philippine Duck Anas luzonica (Aves: Anseriformes: Anatidae). Journal of Threatened Taxa. 9. 10141. 10.11609/ jott.2253.9.5.10141-10150.
Lowen, James C., Bartrina, Lucia., Clay, Rob P.,Tobias, Joe A. 1996 Biological surveys and conservation priorities in eastern Paraguay. Cambridge, U.K.: CSB Conservation
Molina, Jeanmarie. 2012. Evolution in a tropical archipelago: comparative phylogeography of Philippine fauna and flora reveals complex patterns of colonization and diversification. Biological Journal of the Linnean Society 95: 620–639.
Pease, Melissa L.; Rose, Robert K.; and Butler, Mark J. 2005. "Effects of Human Disturbances on the Behavior of Wintering Ducks". Biological Sciences Faculty Publications. 228. Wildlife Society Bulletin, 33(1), 103-112. doi:10.2193/0091- 7648(2005)33[103:eohdot] 2.0.co;2
Zuniga, John Benrich., Moreno, Maria Lourdes., Ahillon, Riselle., Bucay, Mark Angelo., Gestiada, Alvin., Villamor, Carmelita., Santillan, Maria. 2018. Handbook of Mangrove Resources in Pagbilao and Catanauan, Quezon