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Location New Caledonia (to France)
Central coordinates 166o 12.20' East  21o 52.50' South
IBA criteria A1, A2, A4ii
Area 6,813 ha
Altitude 15 - 1,441m
Year of IBA assessment 2007

Société Calédonienne d'Ornithologie (Affiliate)



Site description La Dent de Saint Vincent est l’un des plus hauts sommets de l’île et atteint 1 441 m. Situé sur la côte ouest, entre la Tontouta et Boulouparis, le massif est de nature péridotitique. A l’ouest, il est délimité par la rivière Ouenghi. Au sud, il est largement creusé par la Hwa No, affluent de la Tontouta dont le bassin supérieur constitue avec celui de la Hwa Kwéja, plus à l’ouest, l’essentiel des versants de l’IBA. Les zones de piémonts sont recouvertes d’une végétation anthropisée, de formations arborées secondarisées et d’un maquis de type édaphique dégradé. Comme souvent, les forêts subsistent sur les hauteurs et dans quelques talwegs mais ne recouvrent qu’une très faible proportion de l’IBA. Elles sont fragmentées et isolées des massifs forestiers de la région. Les zones les plus élevées sont pour la plupart recouvertes d’une forêt à Hyménophyllacées, « forêt de mousses », qui constitue une des formations végétales les plus originales de l’île.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
White-winged Petrel Pterodroma leucoptera breeding  2005-2006  2,000 breeding pairs  poor  A1, A4ii  Vulnerable 
Kagu Rhynochetos jubatus resident  2005-2006  present  A1, A2  Endangered 
Cloven-feathered Dove Drepanoptila holosericea resident  2005-2006  present  A2  Near Threatened 
New Caledonian Imperial-pigeon Ducula goliath resident  2005-2006  present  A2  Near Threatened 
Cyanoramphus saisseti resident  2005-2006  present  A2  Not Recognised 
New Caledonian Friarbird Philemon diemenensis resident  2005-2006  present  A2  Least Concern 
Dark-brown Honeyeater Lichmera incana resident  2005-2006  present  A2  Least Concern 
Barred Honeyeater Phylidonyris undulatus resident  2005-2006  present  A2  Least Concern 
New Caledonian Myzomela Myzomela caledonica resident  2005-2006  present  A2  Least Concern 
Fan-tailed Gerygone Gerygone flavolateralis resident  2005-2006  present  A2  Least Concern 
New Caledonian Cuckooshrike Coracina analis resident  2005-2006  present  A2  Near Threatened 
New Caledonian Cuckooshrike Coracina analis resident  2005-2006  present  A2  Near Threatened 
Long-tailed Triller Lalage leucopyga resident  2005-2006  present  A2  Least Concern 
New Caledonian Whistler Pachycephala caledonica resident  2005-2006  present  A2  Least Concern 
Streaked Fantail Rhipidura verreauxi resident  2005-2006  present  A2  Least Concern 
Southern Shrikebill Clytorhynchus pachycephaloides resident  2005-2006  present  A2  Least Concern 
Melanesian Flycatcher Myiagra caledonica resident  2005-2006  present  A2  Least Concern 
New Caledonian Crow Corvus moneduloides resident  2005-2006  present  A2  Least Concern 
Yellow-bellied Robin Eopsaltria flaviventris resident  2005-2006  present  A2  Least Concern 
New Caledonian Grassbird Megalurulus mariei resident  2005-2006  present  A2  Least Concern 
Green-backed White-eye Zosterops xanthochroa resident  2005-2006  present  A2  Least Concern 
Striated Starling Aplonis striata resident  2005-2006  present  A2  Least Concern 
Red-throated Parrotfinch Erythrura psittacea resident  2005-2006  present  A2  Least Concern 

References Atkinson, I. A. E. (1985) The spread of commensal species of Rattus to oceanic islands and their effect on island avifaunas. Pages 35-81 in P. J. Moors, editor. Conservation of island birds. International Council for Bird Preservation, Cambridge, United Kingdom. Bretagnolle 2001; Chartendrault & Barré 2006; Hunt 1992. Bruderer, B., Peter, D. and Steuri, T. (1999) Behavior of migrating birds exposed to Xband radar and a bright light beam. Journal of Experimental Biology 202: 1015–1022. Le Corre, M., Ollivier, A., Ribes, S. and Jouventin, P. (2002) Light-induced mortality of petrels: a 4-year study from Réunion Island (Indian Ocean). Biol. Conserv. 105: 93–102. Croxall, J. P., Butchart, S. H. M., Lascelles, B., Stattersfield, A. J., Sullivan, B., Symes, A. and Taylor, P. (2012) Seabird conservation status, threats and priority actions: a global assessment. Bird Conservation International 22: 1-34. Duffy, D. C. (2010) Changing Seabird Management in Hawai‘i: from exploitation through management to restoration. Waterbirds 33: 193-207. IUCN SSC Invasive Species Specialist Group (2012) Rattus exulans. Global Invasive Species Database. Downloaded from http://www.issg.org/database/species/ecology.asp?si=170&fr=1&sts=sss on 8th October 2012. Jones, H. P., Tershy, B. R., Zavaleta, E. S., Croll, D. A., Keitt, B. S., Finkelstein, M. E. and Howald, G. R. (2008) Severity of the effects of invasive rats on seabirds: a global review. Conservation Biology 22: 16-26. Kepler, B. (1967) Polynesian rat predation on nesting Laysan Albatrosses and other Pacific seabirds. Auk 84: 426-430. Miles, W., Money, S., Luxmoore, R. and Furness, R.W. (2010) Effects of artificial lights and moonlight on petrels at St Kilda. Bird Study 57: 244–251. Reed, J.R., Sincock, J.L. & Hailman, J.P. (1985) Light attraction in endangered Procellariiform birds: reduction by shielding upward radiation. Auk 102: 377–383. Rodrigues, P., Aubrecht, C., Gil, A., Longcore, T. and Elvidge, C. (2011) Remote sensing to map influence of light pollution on Cory’s Shearwater in São Miguel Island, Azores Archipelago. Eur. J. Wildl. Res. doi: 10.1007/s10344-011-0555-5. Rodríguez, A. and Rodríguez, B. (2009) Attraction of petrels to artificial lights in the Canary Islands: effect of the moon phase and age class. Ibis 151: 299–310. Rodríguez, C., Torres, R. and Drummond, H. (2006) Eradicating introduced mammals from a forested tropical island. Biological Conservation 130: 98-105. Telfer, T.C., Sincock, J.L., Byrd, G.V. and Reed, J.R. (1987) Attraction of Hawaiian seabirds to lights: conservation efforts and effects of moon phase. Wildl. Soc. Bull. 15: 406–413.

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Dent de Saint-Vincent. Downloaded from http://www.birdlife.org on 02/09/2014

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