Birds Of  Malagos Watershed
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Birds Of Malagos Watershed

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This is an avian survey in the Malagos Watershed as one of the protected areas in the island of Mindanao. There are pictures of interesting birds during the study in a very small forest ...

This is an avian survey in the Malagos Watershed as one of the protected areas in the island of Mindanao. There are pictures of interesting birds during the study in a very small forest fragment.

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Birds Of  Malagos Watershed Birds Of Malagos Watershed Presentation Transcript

  • Birds of Malagos Watershed: A Comparative Study Presented by: Geonyzl Lepiten-Alviola Co-Authors: Julie B. Otadoy Bernadette Del Rosario Jason Ibanez Davao Doctors College Graduate School, ADDU and Philippine Eagle Foundation
    • = 348 avian species
    • 147 resident
    • 93 migratory
    • 94 endemic
    • 14 both migratory and resident
  • Malagos Watershed
    • Is a forest fragment preserved by DENR and DCWD
    • reforestation program started since 1990 inviting –
    • = schools
    • = school clubs
    • = NGO’s
  • Why the birds in the study?
    • it determine the condition of the environment
    • Birds serves as ecological indicator
  • Objectives:
    • To conduct an ecological assessment of avian species
    • To identify and classify birds within the area
    • To determine the distribution of bird species and compare the taxonomic listing of birds with the previous study.
  • Methodology
    • Two methods were used
    • 1. point count method
    • 2. mist netting method
  • Point count
    • 8 point counts were established
    • 200 m apart with markers per count
    • survey started from 0600- 1700 hr (morning, noon and late afternoon)
    • The observer should stay
    • 15 to 20 mins per count
  • Point Count 1
  • Point Count 2
  • Point Count 3
  • Point Count 4
  • Point Count 5
  • Point Count 6
  • Point Count 7
  • Mist Netting Effort
    • Mist nest with 12 m x 2.8 m and with 36 mm mesh
    • Tied and supported by the poles
    • placed in varying distances
    • Position either sky level or ground level.
    • Opened daily from 4:30-17:00
  • Preparation of the mist nets
  • Sky nets Ground nets
    • The study started last September and continued in November 2004
    • Field Guide to Philippine Birds by Kennedy (2000) was used to identify the birds.
  • Results
  • Table 1. Number of bird species in the Philippines, in Mindanao and data from all surveys in Malagos Watershed. 0.33 4 1213 Threatened Species 6.86 7 102 Mindanao Endemic 6.93 12 173 Philippine Endemic 1.32 2 152 Migrant 6.67 1 15 Resident / Migrant 8.31 32 385 Residents 34.18 27 79 Families 9.71 54 556 All Species % Present Survey in Malagos Watershed Philippines  
  • Philippine Endemics Philippine dwarf-kingfisher Ceyx melarunus White-eared brown dove Phapitreron leucotis
  • Phil. Endemics Yellow – Bellied Whistler Pachycephala homeyeri Philippine bulbul Hypsipetes philippinus
  • Phil. Endemics Streaked ground-babbler Ptilocichla mindanensis
  • Mindanao Endemic Silvery Kingfisher Alcedo argentata Brown tit babbler Macronous striaticeps
  • Mindanao Endemic Little slaty flycatcher Ficedula basilanica
  • Resident Birds Yellow-wattled bulbul Pynonotus urostictus Hooded pitta Pitta sordida
  • Resident Birds Arachnothera longirostra Little spiderhunter Black –naped Monarch Hypothymis helenae
  • Pied fantail Rhipidura javanica Spangle drongo Dicrurus hottentottus
  • Resident Drongo cuckoo Surniculus lugubris Plaintive cuckoo Cacomantis merulinus
  • Resident Birds Common Emerald Dove Chalcophaps indica
  • Migrant Bird Brown shrike Lanius cristatus
  • The most observed families
    • Nectariniidae
    • ex. Little spiderhunter
  • 2. Estrildidae ex. Chestnut munia ( Lonchura malacca)
  • 3. Pycnonotidae a. Yellow wattled bulbul
    • b. Philippine bulbul
  • Rare or Uncommon Avian Species Silvery kingfisher (Alcedo argentata)
    • Philippine dwarf kingfisher
    • ( Ceryx melarunus)
    • Little slaty flycatcher
    • (Ficedula basilanica)
  • Streaked ground-babbler (Ptilocichla mindanensis)
    • Rufous-lored kingfisher ( Halcyon winchelli )
    • Ruddy kingfisher ( Halcyon coromanda )
    • Black-faced coucal ( Centropus melanops)
    • Rufous paradise flycatcher ( Tersiphone cinnamomea)
    • Naked-faced spiderhunter ( Arachnothera clarae)
  • Three Vulnerable Uncommon Species
    • Rufous-lored kingfisher
    • Silvery kingfisher
    • Little slaty flycatcher
  •  
  • 4 globally threatened species
    • Rufous lored kingfisher
    • Silvery kingfisher
    • Philippine dwarf kingfisher
    • Little slaty flycatcher
    • ( this is based on the Red Data Book)
  • Comparative Survey From 1994-2004
  • From 1994 -2002 list
    • 7 families were no longer observed in 2004.
    • 1. Apodidae 5. Oriolidae
    • 2. Picidae 6. Scolopacidae
    • 3. Coraciidae 7. Turnidae
    • 4. Hirundinidae
  • Three families were added in 2004 survey
    • Raliidae - Barred rail
    • - Plain bush-hen
    • 2. Dicruridae – Spangle drongo
    • 3. Psittacidae - Colasisi
  • What had caused the decrease of avian species?
    • Habitat destruction
    • Hunting for food and pet trade
    • Some are shy and migrated to other places
    • Insufficient food resources
  • Conclusion
    • The area is highly disturbed because of the observed birds were located in opened areas.
    • Even there were 7 families were no longer observed, there are new species of birds were added in the list.
  • Recommendation
    • A yearly of avian survey should be conducted to monitor avian activity.
    • In reforestation, select a certain type of tree to be planted that is suited in the area.
    • Strict implementation of the law on protecting the endangered species.
    • Don’t let this beauty vanish …..
  • Thank you Acknowledgements : Julie B. Otadoy Bernadette del Rosario Davao Doctors College Philippine Eagle Foundation Davao City Water District Graduate School, Ateneo de Davao University