
TOP > 生物多様性センターの国際協力 > ESABII > Database > Migrant Birds Database > Grey-tailed Tattler
Common Name | Grey-tailed TattlerBirdlife International | |||||||||||||||||||||||||||||||||||||||||||||
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Species name | Heteroscelus brevipesBirdlife International | |||||||||||||||||||||||||||||||||||||||||||||
Family | Scolopacidae | |||||||||||||||||||||||||||||||||||||||||||||
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Local Name |
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LC
This species has an extremely large range, and hence does not approach the thresholds for Vulnerable under the range size criterion (Extent of Occurrence <20,000 km2 combined with a declining or fluctuating range size, habitat extent/quality, or population size and a small number of locations or severe fragmentation). The population trend appears to be stable, and hence the species does not approach the thresholds for Vulnerable under the population trend criterion (>30% decline over ten years or three generations). The population size may be moderately small to large, but it is not believed to approach the thresholds for Vulnerable under the population size criterion (<10,000 mature individuals with a continuing decline estimated to be >10% in ten years or three generations, or with a specified population structure). For these reasons the species is evaluated as Least Concern.
<Trend justification> Although Wetlands International consider the current population trend to be unknown, it is suspected to be stable in the absence of evidence for any declines or substantial threats (del Hoyo et al. 1996).
Country | Category | Reference |
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Brunei Darussalam | ||
Cambodia | ||
China | ||
Indonesia | ||
Japan | ||
Korea | ||
Lao PDR | ||
Malaysia | ||
Mongolia | ||
Myanmar | ||
Philippines | ||
Singapore | ||
Thailand | ||
Vietnam |
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Country | Status | Reference |
---|---|---|
Brunei Darussalam | ||
Cambodia | ||
China | ||
Indonesia | ||
Japan | ||
Korea | ||
Lao PDR | ||
Malaysia | ||
Mongolia | ||
Myanmar | ||
Philippines | ||
Singapore | ||
Thailand | ||
Vietnam |
The Asian Waterbird Census (AWC) was initiated in 1987 and runs in parallel with other waterbird censuses carried out in Africa, Europe, Central and West Asia and Latin America under the umbrella of the International Waterbird Census (IWC), which is organised by Wetlands International.
The AWC takes place annually, during the second and third weeks of January, and is carried out by volunteers interested in collecting information on waterbirds and wetlands as a basis for contributing to their conservation.
Reference: Li, Z.W.D., Bloem, A., Delany S., Martakis G. and Quintero J. O. 2009. Status of Waterbirds in Asia - Results of the Asian Waterbird Census: 1987-2007. Wetlands International, Kuala Lumpur, Malaysia
BRUNEI DARUSSALAM | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 |
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The number of observed individual | 1 | 2 | 1 | 1 | 2 | |||||||||||||||||
The number of observed sites(not all count sites) | 1 | 1 | 1 | 1 | 1 | |||||||||||||||||
The total number of count sites | 2 | 3 | 3 | 2 | 4 | 4 | 0 | 4 | 4 | 4 | 4 | 5 | 5 | 0 | 0 | 0 | 9 | 0 | 0 | 1 | 0 | 9 |
CAMBODIA | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 |
The number of observed individual | ||||||||||||||||||||||
The number of observed sites(not all count sites) | ||||||||||||||||||||||
The total number of count sites | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 11 | 0 | 0 | 12 | 12 | 11 | 5 | 1 | 6 | 9 | 6 | 6 |
CHINA | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 |
The number of observed individual | 1 | |||||||||||||||||||||
The number of observed sites(not all count sites) | 1 | |||||||||||||||||||||
The total number of count sites | 0 | 1 | 34 | 12 | 50 | 60 | 67 | 29 | 6 | 14 | 6 | 15 | 21 | 20 | 14 | 10 | 22 | 45 | 80 | 81 | 59 | 72 |
INDONESIA | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 |
The number of observed individual | 92 | 25 | 36 | 91 | 73 | 88 | 9 | 6 | 11 | 15 | ||||||||||||
The number of observed sites(not all count sites) | 2 | 1 | 2 | 3 | 3 | 1 | 2 | 1 | 3 | 2 | ||||||||||||
The total number of count sites | 0 | 0 | 0 | 1 | 19 | 8 | 17 | 17 | 15 | 19 | 16 | 0 | 0 | 47 | 12 | 10 | 40 | 34 | 14 | 16 | 15 | 23 |
JAPAN | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 |
The number of observed individual | 3 | 11 | 72 | 168 | 158 | 148 | 116 | 81 | 56 | 66 | ||||||||||||
The number of observed sites(not all count sites) | 1 | 2 | 13 | 16 | 8 | 9 | 8 | 5 | 6 | 4 | ||||||||||||
The total number of count sites | 0 | 0 | 0 | 53 | 39 | 52 | 47 | 20 | 50 | 40 | 47 | 37 | 41 | 37 | 107 | 112 | 103 | 109 | 97 | 159 | 142 | 137 |
LAO PDR | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 |
The number of observed individual | ||||||||||||||||||||||
The number of observed sites(not all count sites) | ||||||||||||||||||||||
The total number of count sites | 0 | 0 | 0 | 2 | 4 | 5 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 14 | 1 | 0 | 0 | 0 | 1 | 0 | 0 |
MALAYSIA | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 |
The number of observed individual | 4 | 2 | 10 | 2 | 2 | 1 | 71 | 1 | ||||||||||||||
The number of observed sites(not all count sites) | 1 | 1 | 2 | 1 | 1 | 1 | 10 | 1 | ||||||||||||||
The total number of count sites | 0 | 0 | 0 | 59 | 68 | 93 | 85 | 17 | 10 | 7 | 10 | 0 | 0 | 20 | 25 | 25 | 25 | 43 | 43 | 82 | 82 | 40 |
MYANMAR | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 |
The number of observed individual | 9 | |||||||||||||||||||||
The number of observed sites(not all count sites) | 1 | |||||||||||||||||||||
The total number of count sites | 0 | 5 | 3 | 12 | 17 | 15 | 21 | 20 | 13 | 12 | 2 | 4 | 2 | 0 | 7 | 32 | 47 | 73 | 24 | 31 | 32 | 19 |
PHILIPPINES | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 |
The number of observed individual | 123 | 30 | 160 | 66 | 124 | 58 | 107 | 139 | 54 | 71 | 91 | 38 | 98 | 125 | 493 | 133 | 693 | |||||
The number of observed sites(not all count sites) | 9 | 5 | 9 | 6 | 12 | 6 | 7 | 7 | 5 | 4 | 4 | 2 | 8 | 9 | 8 | 6 | 13 | |||||
The total number of count sites | 0 | 0 | 0 | 0 | 19 | 21 | 34 | 39 | 46 | 47 | 39 | 28 | 29 | 32 | 43 | 38 | 50 | 47 | 56 | 54 | 65 | 108 |
SINGAPORE | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 |
The number of observed individual | 2 | 2 | ||||||||||||||||||||
The number of observed sites(not all count sites) | 1 | 1 | ||||||||||||||||||||
The total number of count sites | 0 | 0 | 0 | 0 | 4 | 12 | 17 | 15 | 13 | 14 | 10 | 10 | 6 | 11 | 10 | 10 | 8 | 9 | 9 | 8 | 8 | 7 |
REPUBLIC OF KOREA | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 |
The number of observed individual | ||||||||||||||||||||||
The number of observed sites(not all count sites) | ||||||||||||||||||||||
The total number of count sites | 0 | 0 | 10 | 12 | 22 | 20 | 20 | 15 | 10 | 22 | 25 | 22 | 14 | 68 | 99 | 112 | 118 | 116 | 117 | 123 | 127 | 127 |
THAILAND | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 |
The number of observed individual | 2 | 6 | ||||||||||||||||||||
The number of observed sites(not all count sites) | 1 | 1 | ||||||||||||||||||||
The total number of count sites | 10 | 8 | 3 | 20 | 26 | 12 | 23 | 16 | 17 | 5 | 9 | 3 | 1 | 1 | 7 | 3 | 9 | 26 | 20 | 82 | 99 | 33 |
VIETNAM | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 |
The number of observed individual | ||||||||||||||||||||||
The number of observed sites(not all count sites) | ||||||||||||||||||||||
The total number of count sites | 0 | 0 | 0 | 1 | 2 | 0 | 1 | 4 | 0 | 1 | 1 | 0 | 1 | 8 | 2 | 2 | 16 | 4 | 4 | 9 | 6 | 11 |