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Sabaki River Mouth (3094008)


Management status LOCAL MUNICIPALITY
Conservation status UNPROTECTED
IBA information
Ramsar information
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Sabaki River Mouth is where the Athi-Galana-Sabaki river system empties into the Indian Ocean some 5 km north of Malindi. Due to the combined action of ocean currents and freshwater flow from the highlands bringing high levels of silt, a diverse array of habitats have been formed. These include open sandy beach, sandbanks, mudflats, salt marsh, vegetated and bare sand dunes, seasonal and permanent fresh water pools, mangroves, grassland and coastal scrub. Since the mid-1970s a high level of silt deposition has taken place that has extended the river mouth into the ocean and created the wide, open mud and sand flats which are the key attraction for large numbers of waders. Until c. 2000 there was only some degraded patches of mangrove forest slightly upstream. With the siltation, however, conditions became ideal for mangroves to become established and an area of over 12 ha of mangrove forest has grown on the northern banks of the river mouth. Seasonal wetlands form during seasons of good rain on the extension of low sand dunes between the beach and the old, high sand dunes and provide breeding habitat for some birds such as Black-winged Stilts. The sandflats and beach are regularly used as a roost for often large numbers of gulls and terns which forage out at sea and come to the relative safety of the river mouth to rest.
A series of high (up to c. 25 m) wind-blown sand dunes extend about five km north and three km south of the river. These dunes form an important aquifer and as a result among the dunes are pools and wells of fresh water filtered by the sand and separ
"Sabaki" is the name of the final few kilometres of the river that starts in the Ngong Hills west of Nairobi as the Athi River and is known as the Galana River through Ukambani and Tsavo East National Park. At its mouth it is c. 150 m wide broadening

SppCommon nameTaxonomic nameMinAvgMaxIBASubregional
267Curlew, EurasianNumenius arquata55.005   
101Duck, FulvousDendrocygna bicolor4949.0049   
91Duck, Knob-billedSarkidiornis melanotos88.008   
100Duck, White-facedDendrocygna viduata6114.50223   
2188Egret, Dimorphic (Mascarene Reef-)Egretta dimorpha2222.0022
58Egret, GreatEgretta alba11.001   
59Egret, LittleEgretta garzetta11.001   
149Fish-eagle, AfricanHaliaeetus vocifer11.001
87Flamingo, LesserPhoenicopterus minor451066.502088  600
89Goose, EgyptianAlopochen aegyptiacus22.002   
263Greenshank, CommonTringa nebularia2234.6744   
933Gull, Common Black-headedLarus ridibundus11.001
2042Gull, Heuglin'sLarus heuglini1272.00132
4136Gull, Lesser Black-backedLarus fuscus733.0069 
2058Gull, Sooty (Hemprich's)Larus hemprichii17011701.001701
10010Gull, UnidentifiedN/A N/A132184.00236
55Heron, Black-headedArdea melanocephala1212.0012   
54Heron, GreyArdea cinerea517.3337   
81Ibis, African SacredThreskiornis aethiopicus2121.0021   
397Kingfisher, MalachiteAlcedo cristata11.001
394Kingfisher, PiedCeryle rudis69.6712
1031Lapwing, Spur-wingedVanellus spinosus1313.0013
166Marsh-harrier, WesternCircus aeruginosus22.002
74Openbill, AfricanAnastomus lamelligerus1438.5063   
172Osprey, OspreyPandion haliaetus11.001
41Pelican, Pink-backedPelecanus rufescens210.5019   
240Plover, CaspianCharadrius asiaticus11.001   
233Plover, Common RingedCharadrius hiaticula108250.33388   
239Plover, Greater SandCharadrius leschenaultii220.0034   
241Plover, GreyPluvialis squatarola144.33102   
237Plover, Kittlitz'sCharadrius pecuarius22.002   
234Plover, Lesser SandCharadrius mongolus192.67244 125 
1039Plover, Pacific GoldenPluvialis fulva11.001
235Plover, White-frontedCharadrius marginatus1278.67143 125 
255Sanderling, SanderlingCalidris alba57.5010   
981Sandpiper, Broad-billedLimicola falcinellus15.5010
258Sandpiper, CommonActitis hypoleucos1018.3334  
251Sandpiper, CurlewCalidris ferruginea63310.33710  
262Sandpiper, MarshTringa stagnatilis1012.0015   
257Sandpiper, TerekXenus cinereus110.5020 
264Sandpiper, WoodTringa glareola22.002   
85Spoonbill, AfricanPlatalea alba22.002   
270Stilt, Black-wingedHimantopus himantopus118.0035  
253Stint, LittleCalidris minuta49684.331740   
76Stork, Yellow-billedMycteria ibis717.0027   
97Teal, Red-billedAnas erythrorhyncha22.002   
290Tern, CaspianSterna caspia415.5027  20
291Tern, CommonSterna hirundo11.001   
902Tern, Gull-billedSterna nilotica110.0019 
297Tern, Lesser CrestedSterna bengalensis4100.00270250125 
2070Tern, Saunders'sSterna saundersi1212.0012
298Tern, SwiftSterna bergii3101.33231  200
10009Tern, UnidentifiedN/A N/A11.001
274Thick-knee, WaterBurhinus vermiculatus77.007   
10008Wader, UnidentifiedN/A N/A700700.00700
268Whimbrel, CommonNumenius phaeopus36.6711   
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Tuesday 14 August 2018 01:24
© Animal Demography Unit 2015
Department of Biological Sciences - University of Cape Town

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