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Acrocephalus scirpaceus

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA AVES PASSERIFORMES SYLVIIDAE

Scientific Name: Acrocephalus scirpaceus
Species Authority: (Hermann, 1804)
Common Name/s:
English – Eurasian Reed-warbler, Eurasian Reed Warbler, European Reed Warbler, Reed Warbler
French – Rousserolle effarvatte
Taxonomic Notes: Acrocephalus scirpaceus and A. baeticatus (Sibley and Monroe 1990, 1993) have been lumped into A. scirpaceus following Dowsett and Forbes-Watson (1993).

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2012
Assessor/s: BirdLife International
Reviewer/s: Butchart, S. & Symes, A.
Contributor/s:
Justification:
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). Despite the fact that the population trend appears to be decreasing, the decline is not believed to be sufficiently rapid to approach the thresholds for Vulnerable under the population trend criterion (>30% decline over ten years or three generations). The population size is extremely large, and hence does not 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.
History:
2009 – Least Concern
2008 – Least Concern
2004 – Least Concern
1988 – Not Recognized

Geographic Range [top]

Countries:
Native:
Afghanistan; Albania; Algeria; Angola (Angola); Armenia (Armenia); Austria; Azerbaijan; Bahrain; Belarus; Belgium; Bosnia and Herzegovina; Botswana; Bulgaria; Burkina Faso; Burundi; Cameroon; Central African Republic; Chad; China; Congo, The Democratic Republic of the; Côte d'Ivoire; Croatia; Cyprus; Czech Republic; Denmark; Egypt; Eritrea; Estonia; Ethiopia; Finland; France; Gabon; Gambia; Georgia; Germany; Ghana; Gibraltar; Greece; Guinea; Guinea-Bissau; Hungary; Iran, Islamic Republic of; Iraq; Ireland; Israel; Italy; Jordan; Kazakhstan; Kenya; Kuwait; Kyrgyzstan; Latvia; Lebanon; Lesotho; Liberia; Libya; Liechtenstein; Lithuania; Luxembourg; Macedonia, the former Yugoslav Republic of; Malawi; Mali; Malta; Mauritania; Moldova; Montenegro; Morocco; Mozambique; Namibia; Netherlands; Niger; Nigeria; Norway; Oman; Palestinian Territory, Occupied; Poland; Portugal; Qatar; Romania; Russian Federation; Russian Federation; Rwanda; Saudi Arabia; Senegal; Serbia (Serbia); Sierra Leone; Slovakia; Slovenia; Somalia; South Africa; South Sudan; Spain; Sudan; Swaziland; Sweden; Switzerland; Syrian Arab Republic; Tanzania, United Republic of; Togo; Tunisia; Turkey; Turkmenistan; Uganda; Ukraine; United Arab Emirates; United Kingdom; Uzbekistan; Western Sahara; Yemen; Zambia; Zimbabwe
Vagrant:
Faroe Islands; Iceland; Tajikistan
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: In Europe, the breeding population is estimated to number 2700000-5000000 breeding pairs, equating to 8100000-15000000 individuals (BirdLife International 2004). Europe forms 50-74% of the global range, so a very preliminary estimate of the global population size is 10900000-30000000 individuals, although further validation of this estimate is needed.
Population Trend: Decreasing

Habitat and Ecology [top]

Systems: Terrestrial; Freshwater

Bibliography [top]

Bergmann, F. 1999. Long-term increase in numbers of early-fledged Reed Warblers (Acrocephalus scirpaceus) at Lake Constance (Southern Germany). Journal für Ornithologie 140: 81-86.

Crick, H. Q. P.; Sparks, T.H. 1999. Climate change related to egg-laying trends. Nature 399: 423-424.

Halupka, L.; Dyrcz, A.; Borowiec, M. 2008. Climate change affects breeding of Reed Warblers Acrocephalus scirpaceus. Journal of Avian Biology 39: 95-100.

Hüppop, O.; Hüppop, K. 2003. North Atlantic Oscillation and timing of spring migration in birds. Proceedings of the Royal Society of London Series B 270: 233-240.

IUCN. 2012. IUCN Red List of Threatened Species (ver. 2012.1). Available at: http://www.iucnredlist.org. (Accessed: 19 June 2012).

Jenni, L.; Kery, M. 2003. Timing of autumn bird migration under climate change: advances in long-distance migrants, delays in short-distance migrants. Proceedings of the Royal Society of London Series B 270(1523): 1467-1471.

Jonzén, N.; Lindén, A.; Ergon, T.; Knudsen, E.; Vik, J. O.,;Rubolini, D.; Piacentini, D.; Brinch, C.; Spina, F.; Karlsson, L.; Stervander, M.; Andersson, A.; Waldenström, J.; Lehikoinen, A.; Edvardsen, E.; Solvang, R.; Stenseth, N. C. 2006. Rapid advance of spring arrival dates in long-distance migratory birds. Science 312(5782): 1959-1961.

Mezquida, E.T.; Villaran, A.; Pascual-Parra, J. 2007. Timing of autumn bird migration in central Spain in light of recent climate change. Ardeola 54: 251-259.

Schaefer, T.; Ledebur, G.; Beier, J.; Leisler, B. 2006. Reproductive responses of two related coexisting songbird species to environmental changes: global warming, competition, and population sizes. Journal of Ornithology 147(1): 47-56.

Sparks, T. H.; Huber, K.; Bland, R. L.; Crick, H. Q. P.; Croxton, P. J.; Flood, J.; Loxton, R. G.; Mason, C. F.; Newnham, J.A.; Tryjanowski, P. 2007. How consistent are trends in arrival (and departure) dates of migrant birds in the UK? Journal of Ornithology 148: 503-511.

Stervander, M.; Lindström, A.; Jonzén, N.; Andersson, A. 2005. Timing of spring migration in birds: long-term trends, North Atlantic Oscillation and the significance of different migration routes. Journal of Avian Biology 36: 210-221.

Tøttrup, A. P.; Thorup, K.; Rahbek, C. 2006. Patterns of change in timing of spring migration in North European songbird populations. Journal of Avian Biology 37: 84-92.
Citation: BirdLife International 2012. Acrocephalus scirpaceus. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 24 May 2013.
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