The Predicted Distribution of Javan Munia (Lonchura leucogastroides) in Indonesia based of Behavior Analysis in Kalibaru, Banyuwangi, East Java

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ABSTRACT: Javan  Munia  is  one  of  the  common  species  of  birds  that  found  in  west  area  of  Indonesia  (Sunda  land). This  species  is  endemic  to  Indonesia  (Lombok,  Bali,  Java,  and  South  Sumatra).  The  large  population, especially  during  the  harvest  season  makes  this  bird  became  a  major  pest  for  agriculture.  This  research aims  to  determine  the  adaptive  behaviors  of  Javan  Munia  that  become  major  reasons  of  widely  spreads and  the  influence  of  these  factors  to  the  distribution.  Observations  made  in  Kalibaru,  Banyuwangi,  East Java,  which  is  a  mostly  agricultural  area.  Any  form  of  behavior  in  the  territorial  area  (nesting  and courtship  areas)  and  range  area  (where  colonize  and  feed)  were  observed  periodically  in  the  past  12 months. Sunbathing is known as a activity that undertaken by many species of birds, including the Javan Munia.  This  munia  has  specific  mating  and  nest  construction  behaviour.  The  development  of  Javan Munia is very quickly, in 40 days, child will become a new adult. Javan Munia is very easy to adapt to the surrounding  environment,  including  the  used  of  oil  palm  (Elais  guineensis)  fiber  and  paper  receipts  as nest material. There are a possibility of invasive occurrence to the entire island of Sumatra by this species. It is quite possible because of the opening of oil palm plantations and settlements continue, until Aceh. The spread possibilty to east end of distribution (Lombok) can occur up to Nusa Tenggara Island, because of short distances between the islands and similiar vegetation circumstances.
Key words: behaviour, distribution, and Javan Munia
Author: Agung Sih Kurnianto and Nia Kurniawan
Journal Code: jpbiologigg130005

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