Simmons RE, Brown CJ, Kemper J 2015. Horus Swift: Apus horus. Birds to watch in Namibia: red, rare and endemic species
Simmons RE, Brown CJ, Kemper J 244… This species occurs patchily from Sudan to Zimbabwe and the eastern and southern regions of South Africa. It has a curious distribution in Namibia, … locations in central Namibia. … Birds to watch in Namibia: red, rare and endemic species … Horus Swift Apus horus …
Akesson S, Klaassen R, Holmgren J, Fox JW, Hedenström A 2012. Migration routes and strategies in a highly aerial migrant, the Common Swift Apus apus, revealed by light-level geolocators. Plos ONE
7 (7) e41195… The tracking of small avian migrants has only recently become possible by the use of small … by its favourable aerodynamic design allowing for efficient use of fuel. This strategy allowed swifts to reach average migration speeds well above 300 km/day in spring, which is higher than … routes and strategies in small birds, as well as showing the unexpected use of very limited geographical areas during migration that may have important consequences for conservation …
Bastos-Silveira C, Lister AM 2007. A morphometric assessment of geographical variation and subspecies in impala. Journal of Zoology
271 (3) 288-301… The single species of Aepyceros, Aepyceros melampus (impala), is native to central and southern … open woodlands, sandy bush country and acacia savannah. This study tested the morphological and geographical variation among specimens of impala and their possible relation with described subspecies. …
Edwards S 2009. Phylogeographic variation of the Karoo Bush Rat, Otomys unisulcatus: a molecular and morphological perspective.… Phylogeographic genetic structure has been documented for a number of southern African terrestrial taxa. Information regarding geographic population genetic structuring … b mitochondrial DNA gene of a plains-dwelling species, Otomys unisulcatus , was sequenced and analysed. Two closely related geographic assemblages were found. The first assemblage … to the widespread distribution of common haplotypes throughout the lowland group. Morphological variation in skull shape and size has been shown to follow environmental clines in some rodents. …
Muller M, Herremans M 1995. A Black Swift Apus barbatus in Ngamiland. Babbler 29/30 36 - 37… First confirmed specimen of Black Swift from Ngamiland. The demise of the swift occured in mid - June 1994. Current name: African Black Swift. … Babbler … A Black Swift Apus barbatus in Ngamiland …
Kohler SA, Connan M, Hill JM, Mablouké C, Bonnevie B, Ludynia K, Kemper J, Huisanem J, Underhill LG, Cherel Y, McQuiad CD, Jaquemet S 2011. Geographic variation in the trophic ecology of an avian rocky shore predator, the African black oystercatcher, along the southern African coastline. Marine Ecology Progress Series
435 235-249… The reflection of baseline isotopic signals along marine food chains up to higher trophic levels … used in the study of oceanic top predators but rarely for intertidal predators. We investigated variation in the δ13C and δ15N ratios of a sedentary, rocky shore predator, the African black oystercatcher Haematopus …
Lawson WJ 1968. Geographical variation in the Yellow-breasted Apalis Apalis flavida of Africa. Durban Museum Novitates
8 (14) 199 - 226… The question of geographical variation re- examined by the author in the light of the criticisms … lxxxii (7): 133 - 134). Over six hundred specimens were examined. … Durban Museum Novitates … Geographical variation in the Yellow-breasted Apalis Apalis flavida of Africa …
Southern African Bird Atlas Project (SABAP) 1997. SABAP: 416 Horus Swift.… Apodiformes, Apodidae, Apus horus. … SABAP 416 Horus Swift …
Raubenheimer EJ, Brown JMM, Rama DBK, Dreyer MJ, Smith PD, Dauth J 1998. Geographic variations in the composition of ivory of: the African elephant (Loxodonta africana). Archives of Oral Biology
43 (8) 641-647… Tracing the source of origin of illegal ivory will contribute to the identification of poorly managed … from elephant sanctuary areas in Southern Africa. Fragments of elephant ivory from seven geographically distinct areas in South Africa, Namibia and Botswana were analysed for inorganic … environment, organic and inorganic analyses. … Archives of Oral Biology … Geographic variations in the composition of ivory of the African elephant ( Loxodonta africana …
Ocean Biogeographic Information System (OBIS). Ocean Biogeographic Information System.… of global geo-referenced information on marine species. We contain expert species level and habitat level databases and provide a variety of spatial query tools for visualizing relationships among species and their environment. OBIS strives to assess and integrate biological, physical, and chemical … OBIS, including researchers, students, and environmental managers, will gain a dynamic view of the multi-dimensional oceanic world. You can explore this constantly expanding and developing …
Dyer BM, Cooper J, Crawford RJM, Sherley RB, Somhlaba S, Cockcroft A, Upfold L, Makhado AB 2020. Geographical and temporal variation in the diet of Bank Cormorants Phalacrocorax neglectus in South Africa. Ostrich 90 (4) 373-390… The Bank Cormorant Phalacrocorax neglectus is endemic to the Benguela upwelling ecosystem off … endangered species, Jasus lalandii , prey energy, prey size, regurgitated pellets. … Ostrich … Geographical and temporal variation in the diet of Bank Cormorants Phalacrocorax neglectus in South Africa …