Population Trends of Wintering Eurasian Coot<i>Fulica atra</i>in East Asia

Hashimoto, Hiroshi; Sugawa, Hisashi

doi:10.2326/osj.12.91

Cited by 6 publications

(4 citation statements)

References 6 publications

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“…Most individuals of Eurasian coot, which both FULATR01 and SW5 were detected, are wintering visitors in the Kanto region and breed in Northern Japan. However, there is a small population that breeds in the Kanto region ( Hashimoto and Sugawa, 2013 ). In the Kanto region, avian blood has been detected from infected mosquitoes, meaning that the host-vector-parasite lifecycle is preserved in this area ( Ejiri et al., 2009 , Kim et al., 2009 ).…”

Section: Discussionmentioning

confidence: 99%

“…The two introduced species, Mute swan ( Cygnus olor ) and Northern bobwhite ( Colinus virginianus ), were classified as resident breeders. A small population of Eurasian coot ( Fulica atra ) breeds in the Tokyo area, but most are migratory and use this area as their wintering ground ( Hashimoto and Sugawa, 2013 ). For that reason, the Eurasian coot was considered a winter visitor.…”

Section: Methodsmentioning

confidence: 99%

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Prevalence of avian haemosporidia among injured wild birds in Tokyo and environs, Japan

Inumaru

Murata

Sato

2017

International Journal for Parasitology: Parasites and Wildlife

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Avian haemosporidia have been reported in various birds of Japan, which is part of the East Asian-Australian flyway and is an important stopover site for migratory birds potentially carrying new pathogens from other areas. We investigated the prevalence of avian malaria in injured wild birds, rescued in Tokyo and surrounding areas. We also evaluated the effects of migration by examining the prevalence of avian malaria for each migratory status. 475 birds of 80 species were sampled from four facilities. All samples were examined for haemosporidian infection via nested polymerase chain reaction (PCR) of the cytochrome b (cytb) gene. 100 birds (21.1%) of 43 species were PCR positive for avian haemosporidia. Prevalence in wintering birds, migratory breeders, and resident birds was 46.0%, 19.3%, 17.3% respectively. There was a bias in wintering birds due to Eurasian coot (Fulica atra) and Anseriformes. In wintering birds, lineages which are likely to be transmitted by Culiseta sp. in Northern Japan and lineages from resident species of Northern Japan or continental Asia were found, suggesting that wintering birds are mainly infected at their breeding sites. Meanwhile, there were numerous lineages found from resident and migratory breeders, suggesting that they are transmitted in Japan, some possibly unique to Japan. Although there are limits in studying rescued birds, rehabilitation facilities make sampling of difficult-to-catch migratory species possible and also allow for long-term monitoring within areas.

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Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Prevalence of avian haemosporidia among injured wild birds in Tokyo and environs, Japan

Inumaru

Murata

Sato

2017

International Journal for Parasitology: Parasites and Wildlife

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“…In addition, numerous species have declined substantially in the floodplain. For instance, counts of Eurasian Coot Fulica atra declined by 93%, from about 140,000 in the 1990s to less than 10,000 in the 2000s (Hashimoto and Sugawa 2013); counts of Baer’s Pochard Aythya baeri declined by 99%, from 12,995 in 1986–1993 to 194 in 2010/2011 (Figure 3e); counts of Greater White-fronted Goose Anser albifrons declined by 53%, from 140,365 in 1987–1993 to 66,015 in 2010/2011 (Figure 3f); and counts of Lesser White-fronted Goose declined by 58%, from 64,494 in 1987–1993 to 27,182 in 2010/2011 (Figure 3g). Most of these declines occurred between the 1980s and the 1990s.…”

Section: Changes In Wintering Waterbird Abundance and Distributionmentioning

confidence: 99%

Wintering waterbirds in the middle and lower Yangtze River floodplain: changes in abundance and distribution

Wang

Fraser

Chen

2016

Bird Conservation International

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SummaryThe middle and lower Yangtze River floodplain is a globally important wintering area for waterbirds in the East Asian-Australasian Flyway. Ornithologists have reported on wintering waterbirds in the floodplain since the 1950s. However, an integrated analysis of the long-term changes in waterbird diversity is not available. Here, we synthesise existing information on changes in wintering waterbird abundance and distribution in the floodplain, summarise possible influencing factors and propose some priorities for further research. Waterbird richness and abundance have declined over the past 60 years. Declining trends have been observed in a number of areas and species. Nevertheless, a few areas and species showed different trends. In addition, waterbirds have become more concentrated in a few suitable areas such as Poyang Lake and Dongting Lake. Land reclamation, hunting, dam operation and extensive aquaculture are probably the four major threats to wintering waterbirds, while establishment of nature reserves is beneficial to waterbird conservation. Our study suggests that waterbirds in the floodplain are vulnerable, and that effective conservation measures are needed to protect and restore the waterbird diversity of this area.

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“…The Eurasian Coot Fulica atra is a common waterbird that is particularly noted for its success in colonising modified wetlands (Mo 2018) including highly urbanised areas (Minias et al 2017). There are four subspecies recognised, distributed over four continents (Hashimoto & Sugawa 2013;Minias 2015;Gill & West 2016); the nominate subspecies F. a. atra has the broadest range from Europe and northern Africa to eastern Asia and South-east Asia, whereas the Javan Coot F. a. lugubris is confined to East Java and north-western New Guinea, the New Guinea Coot F. a. novaeguineae to central New Guinea, and the Australian Eurasian Coot F. a. australis to Australia and New Zealand (Taylor & Kirwan 2020). Many aspects of the behaviour of Eurasian Coots, including breeding habits, have been documented, but studies have mainly focused on the nominate subspecies (e.g.…”

Section: Introductionmentioning

confidence: 99%

Copulation, interspecific aggression and other observed behaviours in a breeding pair of Australian Eurasian Coots Fulica atra australis on a small urban wetland

Mo¹,

Waterhouse²

2020

Australian Field Ornithology

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Population Trends of Wintering Eurasian CootFulica atrain East Asia

Cited by 6 publications

References 6 publications

Prevalence of avian haemosporidia among injured wild birds in Tokyo and environs, Japan

Prevalence of avian haemosporidia among injured wild birds in Tokyo and environs, Japan

Wintering waterbirds in the middle and lower Yangtze River floodplain: changes in abundance and distribution

Copulation, interspecific aggression and other observed behaviours in a breeding pair of Australian Eurasian Coots Fulica atra australis on a small urban wetland

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