Literature type: Report
DOI: 10.13140/RG.2.2.31858.30404
Language: English
Download:Full reference: Aarvak, T., Øien, I.J. & Shimmings, P. 2016. A critical review of Lesser White-fronted Goose release projects. , NOF-report 2016-6. 218 pp.
Keywords: release project, reintroduction, translocation, illegal, genetic, distribution, population, court case, hybrid, barnacle goose, carrier species
Literature type: Report
Language: English (In Chinese & English)
Full reference: Liying, S. & Lifang, T. (eds). 2015. Synchronized counts for migratory cranes and waterbirds in spring 2015. , Cranes and waterbirds migration briefs 2015 No.5. 19pp.
Keywords: counts, China, distribution
Literature type: Scientific
Journal: Ibis
Volume: 155 , Pages: 576–592.
DOI: 10.1111/ibi.12039
Language: English
Full reference: Wang, W., Fox, A.D., Cong, P. & Cao, L. 2013. Food constraints explain the restricted distribution of wintering Lesser White-fronted Geese Anser erythropus in China. Ibis 155: 576–592. https://www.dx.doi.org/10.1111/ibi.12039
Keywords: food, China, management, East Dongting Lake, energy budget, goose foraging,
Abstract:
More than 90% of the Lesser White-fronted Geese Anser erythropus in the Eastern Palearctic flyway population winter at East Dongting Lake, China. To explain this restricted distribution and to understand better the winter feeding ecology and habitat requirements of this poorly known species, we assessed their food availability, diet and energy budgets at this site through two winters. Lesser White-fronted Geese maintained a positive energy budget when feeding on above-ground green production of Eleocharis and Alopecurus in recessional grasslands in autumn and spring to accumulate fat stores. Such food was severely depleted by late November and showed no growth in mid-winter. Geese fed on more extensive old-growth Carex sedge meadows in mid-winter where they were in energy deficit and depleted endogenous fat stores. Geese failed to accumulate autumn fat stores in one year when high water levels prevented the Geese from using recessional grassland feeding areas. Fat stores remained lower throughout that winter and Geese left for breeding areas later in spring than in the previous year, perhaps reflecting the need to gain threshold fat stores for migration. Sedge meadows are widespread at other Yangtze River floodplain wetlands, but recessional grasslands are rare and perhaps restricted to parts of East Dongting Lake, which would explain the highly localized distribution of Lesser White-fronted Geese in China and their heavy use of these habitats at this site. Sympathetic management of water tables is essential to maintain the recessional grasslands in the best condition for Geese. Regular depletion of fat stores whilst grazing sedge meadows in mid-winter also underlines the need to protect the species from unnecessary anthropogenic disturbances that enhance energy expenditure. The specialized diet of the Lesser White-fronted Goose may explain its highly restricted winter distribution and global rarity.
Literature type: General
Journal: Goose Bulletin
Volume: 17 , Pages: 10-18.
Language: English
Download:Full reference: Kruckenberg, H. & Krüger, T. 2013. Lesser White-fronted Geese Anser erythropus in Lower Saxony (NW Germany) – status, distribution and numbers 1900–2007. Goose Bulletin: 17, 10-18.
Keywords: status, distribution, numbers, Germany, Lower Saxony
Abstract:
In the period from 1907/08 to 2006/07, i.e. 100 winters, 156 records of 261 Lesser White-fronted Geese Anser erythropus were reported in Lower Saxony. The first records were from 9 December 1907. For the period before 1970, only accidental occurrences were reported. A large increase in the number of records occurred in the 1990s and continued in the 2000s. Since the mid-1990s, the Lesser White-fronted Goosehas become a regular, annually occurring migratory bird in Lower Saxony. There is evidence of a concentration of records in the north-west of Lower Saxony in the region of East Frisia, especially in the Dollart-Lower Ems-Region (Rheiderland, Emsmarschen) and the Krummhörn including Leybucht, which are key sites of the occurrence. Other important sites are the Middle Elbe and the Lower Elbe. During autumn migration, the first Lesser White-fronted Geese reach Lower Saxony in mid-October. From early December the numbers rise steadily until early March and peak in the first decade of March (median = 2 March). After that the numbers decrease but birds remain until the first third of April at a relatively high level, and birds are gone by the end of April. In 139 cases (92.1%), Lesser White-fronted Geese were recorded only on a single day, longer stays were reported only twelve times (7.9%, n = 151 records), the longest 27 days, indicating overwintering. About 93% of all observations of Lesser White-fronted Geese refer to birds which were associated in only small flocks of three individuals, and often only single birds (68.6%) occurred (n = 156 flocks and 261 ind.). “Large” flocks have been recorded rarely. 141 Lesser White-fronted Geese were reported as adult birds (86.5%), with only 21 individuals identified as juveniles (13.5%, n = 163). In 75% of records since the mid-1990s (73%, n = 70 records) Lesser White-fronted Geese were roosting with White-fronted Geese A. albifrons. In 19% of the records they were with Barnacle Geese Branta bernicla, and in 9 % with Greylag Geese A. anser. There is a high likelihood of confusion between Lesser White-fronted Geese and Whitefronted Geese during goose hunting, which is usually practiced at dusk at the night roosts of both species. Therefore, to collect data for better protection of Lesser Whitefronted Geese in Lower Saxony we started a new research programme in autumn 2012 involving field research, satellite tracking and colour-marking as well as an awareness campaign for birders, hunters and the general public.
Literature type: General
Language: English
Download:Full reference: Degtyaryev, V.G., Egorov, N.N., Ochlopkov, I.I., Oleinikov, O.B. & Tomshin, M.D. 2013. Lesser White-fronted Goose in the Lena and Olenek Rivers catchment, Siberia. Pp. 60-61 in Young, G, M Williams, B Hughes & C Hall (eds). 2013. TWSG News, Bulletin of the IUCN-SSC/Wetlands International Threatened Waterfowl Specialist Group, No. 16. Wildfowl & Wetlands Trust, Slimbridge, UK.
Keywords: breeding, distribution, numbers, Siberia, status, Russia
Literature type: Scientific
Journal: Bird Conservation International
Volume: 22 , Pages: 128-134.
DOI: 10.1017/S095927091100030X
Language: English
Full reference: Wang, W., Fox, A.D., Cong, P., Barter, M. & Cao, L. 2012. Changes in the distribution and abundance of wintering Lesser White-fronted Geese Anser erythropus in eastern China. Bird Conservation International 22: 128-134. https://www.dx.doi.org/10.1017/S095927091100030X
Abstract:
The Lesser White-fronted Goose Anser erythropus is globally threatened with an estimated world population of 25,000 28,000, of which c 20,000 winter at East Dongting Lake, China. We present here the first collation of published and unpublished data on the distribution and abundance of the species in eastern China in recent decades. Lesser White-fronted Goose numbers have declined greatly in Anhui, Jiangxi and Jiangsu Provinces between the late-1980s/early-1990s and recent years: the species’ range has now mainly contracted to East Dongting Lake in Hunan. The relatively stable numbers at East Dongting Lake suggest that the population is not currently threatened, but the extreme concentration at one lake makes the species vulnerable. Lesser White-fronted Geese rely on very specific meadow vegetation exposed after water recession, so changes in water levels or recession timing, due to hydrological changes following the commissioning of the Three Gorges Dam, may affect biomass, palatability and plant species composition of the meadows. Thus, it is critically important to understand the wintering ecology and habitat needs of this threatened species at East Dongting Lake. It is also essential to conduct further synchronous Yangtze River floodplain surveys to assess the current status, distribution and habitat use of Lesser White-fronted Geese throughout the region.
Literature type: Scientific
Journal: Ardea
Volume: 100 , Pages: 5-11.
DOI: 10.5253/078.100.0103
Language: English
Full reference: Cong, P., Wang, W., Cao, L. & Fox, A.D 2012. Within-winter shifts in Lesser White-fronted Goose Anser erythropus distribution at East Dongting Lake, China Ardea 100: 5-11. https://www.dx.doi.org/10.5253/078.100.0103
Literature type: Red list
Journal: 2011
Language: English (In English and Mongolian)
Download:Full reference: Gombobaatar, S., Monks, E.M. (compilers), Seidler, R., Sumiya, D., Tseveenmyadag, N., Bayarkhuu, S., Baillie, J.E.M., Boldbaatar, Sh. & Uuganbayar, Ch. (editors) 2011. Mongolian Red list of birds. , Regional Red Lists Series Vol. 7. Birds. Zoologial Society of London, National University of Mongolia and Mongolian Ornithological society. 1036 pp.
Keywords: Red List, Mongolia, taxonomy, distribution, numbers, threats, conservation
Literature type: Red list
Language: English (In English and Mongolian)
Download:Full reference: Gombobaatar, S. & Monks, E.M., Seidler, R., Sumyia, D., Tseveenmyadag, N., Bayarkhuu, S., Baillie, J.E., Boldbataar, Sh. & Uuganbayar, Ch. 2011. Mongolian Red List of birds. , Regional red list of birds. Vol.7. Zoological Society of London, National university of Mongolia & Mongolian ornithological Society.
Keywords: Red list, Mongolia, taxonomy, distribution, ecology, threats, conservation
Literature type: Book
, Pages: 193-194.
Language: Finnish (In Finnish)
Download:Full reference: Tolvanen, P. 2010. Kiljuhanhi (Anser erythropus). [Lesser White-fronted Goose (Anser erythropus).] , In: Solonen, T., Lehikoinen, A. & Lammi, E. (ed.) 2010. Uudenmaan linnusto. (With English summary: The birdfauna of the region of Uusimaa, southern Finland.) Helsingin seudun lintutieteellinen yhdistys Tringa, Helsinki.
Keywords: occurrence, status, distribution
Number of results: 54