|Central coordinates||28o 27.00' East 70o 30.00' North|
|IBA criteria||A1, A4i, A4iii, B1i|
|Altitude||0 - 20m|
|Year of IBA assessment||2014|
Site description The large estuary of the Tana river in the Tanafjord, with extensive areas of shallow water, intertidal sand and gravel-banks, and subarctic coastal meadows. The biggest banks and meadows are east of the main river course. Høyholmen is a grass-covered islet in the estuary. Leirpollen is a small cove to the east.
Key Biodiversity A very important site for seaduck outside the breeding season. Most males of the north-western European population of Mergus merganser gather to moult here, or move here after moulting at fjords in Finnmark, in August-September. Unfortunately no reliable counts of this species have been made since the late 1980s. The number may be much lower now, possibly below 10,000 individuals. Species of global conservation concern which do not meet IBA criteria: Haliaeetus albicilla (common non-breeder in spring and summer; max. 7 on passage). The delta is also a notable staging ground for migrating geese (especially Anser fabalis), ducks and waders; other notable species are Falco rusticolus (frequently seen in spring and summer) and Calidris maritima (up to 500 in winter).
|Species||Season||Period||Population estimate||Quality of estimate||IBA Criteria||IUCN Category|
|Long-tailed Duck Clangula hyemalis||winter||2008-2013||1,000-4,000 individuals||medium||A1||Vulnerable|
|Red-breasted Merganser Mergus serrator||non-breeding||2010-2014||1,000-2,000 individuals||medium||B1i||Least Concern|
|Goosander Mergus merganser||non-breeding||2010-2013||21,000 individuals||good||A4i, B1i||Least Concern|
|A4iii Species group - waterbirds||non-breeding||2010-2014||22,000-23,000 individuals||good||A4iii|
|Protected area||Designation||Area (ha)||Relationship with IBA||Overlap with IBA (ha)|
|Tanamunningen||Nature Reserve||3,409||is identical to site||3,360|
|Tanamunningen||Wetlands of International Importance (Ramsar)||3,360||is identical to site||0|
|IUCN habitat||Habitat detail||Extent (% of site)|
|Grassland||Alpine, subalpine and boreal grassland||5%|
|Coastline||Mud flats & sand flats; Tidal rivers & enclosed tidal waters||95%|
|Land-use||Extent (% of site)|
Protection status National High International None3,360 ha of IBA covered by Nature Reserve (Tanamunningen, 3,360 ha).
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Recommended citation BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Tanamunningen. Downloaded from http://www.birdlife.org on 04/05/2016
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