Conservation of the West African Black-Crowned Crane Balearica pavonina pavonina (Linn 1758) in the Sudano-Sahelian Wetlands of Northern Nigeria
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چکیده
The Black Crowned Crane Balearica pavonina is a resident of the Sahel and Sudan Savanna regions of Africa, ranging from the Senegal Basin and Guinea-Bissau Drainage in West Africa to the Western Ethiopian Highlands and South-West Rift Valley in East Africa. There are two black crowned-crane subspecies. The West African Crowned Crane, Balearica pavonina pavonina occupies the western part of this range, from Senegal to Chad. The Sudan Crowned Crane, Balearica pavonina ceciliae occurs in Eastern Africa, with its largest concentration in Sudan [1]. Birdlife International [2] classifies the species as near threatened. Population estimates are 15,000 for Balearica pavonina pavonina [3] and 43,000-55,000 for Balearica pavonina ceciliae [4]. Due to the rapid decrease of populations in certain areas and a lack of knowledge about status in other areas, the International Crane Foundation (ICF) and Wetlands International launched the Black Crowned Crane Programme in 1999 in order to determine the species’ conservation status and to prepare an action plan for its conservation.
منابع مشابه
The African Crane Database (1978-2014): Records of three threatened crane species (Family: Gruidae) from southern and eastern Africa
BACKGROUND The International Crane Foundation (ICF) / Endangered Wildlife Trust's (EWT) African Crane Conservation Programme has recorded 26 403 crane sightings in its database from 1978 to 2014. This sightings collection is currently ongoing and records are continuously added to the database by the EWT field staff, ICF/EWT Partnership staff, various partner organizations and private individual...
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