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Bar-tailed Godwit

From Opus

(Redirected from Limosa lapponica baueri)
Adult winter nominate L. l. lapponicaPhoto © by Graham RaineTitchwell Marsh, Norfolk, 30 November 2003
Adult winter nominate L. l. lapponica
Photo © by Graham Raine
Titchwell Marsh, Norfolk, 30 November 2003
Limosa lapponica

Contents

[edit] Identification

Adult summer nominate L. l. lapponicaPhoto © by postcardcvTitchwell Marsh, Norfolk, 9 August 2006
Adult summer nominate L. l. lapponica
Photo © by postcardcv
Titchwell Marsh, Norfolk, 9 August 2006

37–41 cm (14½-16 in)
In breeding plumage: belly rufous with no or little barring, upperparts dark, and bill slightly upturned, dark with paler base.
In non-breeding plumage: breast finely streaked grey, belly whitish, back grey with streaking, bill bicoloured with pink base, and long supercilium extending back past eye.
In juvenile plumage: breast pale buff-grey, back patterned with white and buffy-grey, upturned bill bicoloured, and long supercilium extending back past eye.
In flight: inner wings grey, outer wing dark grey; no wingbar. Tail finely barred grey. Rump and lower back white or grey, depending on subspecies.

[edit] Similar Species

Black-tailed Godwit, which has a straighter bill, solid black tail tip, and strong white wingbar; and from Eurasian Curlew and Whimbrel which both have down-curved beaks.

[edit] Distribution

Subspecies L. l. taymyrensis, wintering at west coast of India; other birds seen are Lesser Sand Plover and Terek SandpiperPhoto © by Alok TewariJamnagar, Gujarat, India, 19 December 2017
Subspecies L. l. taymyrensis, wintering at west coast of India; other birds seen are Lesser Sand Plover and Terek Sandpiper
Photo © by Alok Tewari
Jamnagar, Gujarat, India, 19 December 2017
  • Breeds in northern Palearctic: extreme northern Scandinavia (Norway, Finland, limited in Sweden), Arctic Russia (Kola Peninsula eastwards), and Alaska.
  • Migration most active March to early June (south to north), and August-October (north to south). Seen regularly en route through the Baltic Sea, North Sea, and Atlantic coasts. Rare to find any distance inland.
  • Winters to southern Africa and Australasia. Immature birds (one year old) often remain in the wintering range for their entire first summer.

[edit] Vagrancy

Vagrant north to Svalbard, Iceland and the Faroe Islands; Cyprus and eastern Mediterranean countries; Madeira and the Azores. Casual vagrant in North America on both coasts.

[edit] Taxonomy

[edit] Subspecies

Breeding plumagePhoto © by Digiscoper321West Sweden, 5 July 2016
Breeding plumage
Photo © by Digiscoper321
West Sweden, 5 July 2016

Three subspecies currently accepted[1]:

  • L. l. lapponica: Rump and lower back white; underwing white (includes
  • Lapland to Taymyr Peninsula; winters to Africa and India (includes L. l. taymyrensis).
  • L. l. menzbieri: Intermediate; rump, lower back and underwing lightly barred grey.
  • Northern Siberia; winters south-east Asia to coastal Australia, Tasmania (included in L. l. baueri by some authors).
  • L. l. baueri: Rump and lower back barred grey as in the back and tail; underwing strongly barred.

[edit] Habitat

  • Coastal estuaries and sheltered sandy shores.
  • Arctic breeding habitat is lowland tundra; sometimes in upland areas and among trees.

[edit] Behaviour

A very strong migrant; L. l. baueri makes the longest non-stop flights of any bird, over 11,500 km from Alaska to New Zealand during autumn migration (but two stages on spring migration, with a stop-over on the east coast of China)[4].

Very gregarious in the winter, forming huge flocks with other waders at the water's edge.

[edit] Diet

The diet includes worms, snails and insects.

[edit] Breeding

It nests on the ground, usually in short vegetation, in marshy areas above the tree-line.

Juvenile L. l. lapponica Photo © by I4aniBrignogan Plage, Brittany, France, September 2008
Juvenile L. l. lapponica
Photo © by I4ani
Brignogan Plage, Brittany, France, September 2008

[edit] Vocalisation


Bar-tailed Godwit audio clip

[edit] References

Subspecies L. l. taymyrensis showing tail-barsPhoto © by Alok TewariJamnagar, West Coast, Gujarat , India, 19 December 2017
Subspecies L. l. taymyrensis showing tail-bars
Photo © by Alok Tewari
Jamnagar, West Coast, Gujarat , India, 19 December 2017
  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2018. The eBird/Clements checklist of birds of the world: v2018. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Gill, F & D Donsker (Eds). 2018. IOC World Bird List (v8.2). doi : 10.14344/IOC.ML.8.2. Available at http://www.worldbirdnames.org/
  3. Del Hoyo, J, A Elliot, and J Sargatal, eds. 1996. Handbook of the Birds of the World. Volume 3: Hoatzin to Auks. Barcelona: Lynx Edicions. ISBN 978-8487334207
  4. Gill, R. E., Tibbitts, T. L., Douglas, D. C., Handel, C. M., Mulcahy, D. M., Gottschalck, J. C., Warnock, N., McCaffery, B. J., Battley, P. F., & Piersma, T. (2008). Extreme endurance flights by landbirds crossing the Pacific Ocean: ecological corridor rather than barrier? Proc Biol Sci. 276 (1656): 447–457.
  5. BirdLife International. 2016. Limosa lapponica. The IUCN Red List of Threatened Species 2016: e.T22693158A93386492. http://dx.doi.org/10.2305/IUCN.UK.2016-3.RLTS.T22693158A93386492.en. Downloaded on 26 March 2017.
  6. Gerard Hutching, 'Wading birds - Bar-tailed godwits', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/en/wading-birds/page-7 (accessed 26 March 2017)
  7. McCaffery, Brian J. and Robert E. Gill. (2001). Bar-tailed Godwit (Limosa lapponica), The Birds of North America (P. G. Rodewald, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America: https://birdsna.org/Species-Account/bna/species/batgod DOI: 10.2173/bna.581
  8. Piersma, T., Lok, T., Chen, Y., Hassell, C. J., Yang, H.-Y., Boyle, A., Slaymaker, M., Chan, Y.-C., Melville, D. S., Zhang, Z.-W. and Ma, Z. (2016), Simultaneous declines in summer survival of three shorebird species signals a flyway at risk. J Appl Ecol, 53: 479ñ490. doi:10.1111/1365-2664.12582
  9. Van Gils, J., Wiersma, P., Sharpe, C.J. & Boesman, P. (2017). Bar-tailed Godwit (Limosa lapponica). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from http://www.hbw.com/node/53890 on 26 March 2017).
  10. Woodley, K. 2013. Bar-tailed godwit in Miskelly, C.M. (ed.) New Zealand Birds Online. www.nzbirdsonline.org.nz
  11. Collins Pocket Guide to British Birds 1966
  12. Collins Field Guide 5th Edition
  13. Collins Bird Guide ISBN 0 00 219728 6
  14. Arthur Grosset's Birds

[edit] External Links


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