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The population in the nature of Princess Sirindhorn bird believes that there is very little. It is an ancient species that remains today. Even the bird Princess Sirindhorn will receive legal protection, but it still was caught in parallel. And after the discovery. There is a bird trap almost to 120, with the Director of the fisheries station of Nakhon sawan and, of course, that they can't maintain the lifestyle of those birds [11] But there may be no report has confirmed that the bird seen in Cambodia in recent years,Prof. 2547 (2004) [17]
has been dramatically reduced the population in the bung boraphet swallow one hundred in the rest of the story is just 8000 2513 (1970) counted in the winter of 2009. 2523 (1980)-2524 (1981) Although it is indecisive, but this event is to show a decrease or change because of local interference [4] Another reason that makes this species contains a number. From distractions at the Taling River sand. Flood amendment Fishing, deforestation and changes to local residents for agriculture [13] at least swallow still likes to catch them by water plants in the bung boraphet, rather than based on sugarcane.
Bung boraphet has been declared a prohibited zone, hunting to try to protect this species [13], but from a survey searching for Princess Sirindhorn bird that survive, which consists of a survey that bung boraphet several times. To search for this species Nan River and a river in the northern part of the country Palace Thai year. TrProf. 2512 (1969) and studies of the River in the northern part of Laos in 2539 (1996) back suffer a failure [13]
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