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Brooke RK 1971. Geographical variation in the swifts Apus horus and Apus caffer (Aves: Apodidae). Durban Museum Novitates 9 (4) 29 - 38
… Durban Museum Novitates … Geographical variation in the swifts Apus horus and Apus caffer (Aves Apodidae) …
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Geographical variation in the swifts Apus horus and Apus caffer.pdf 224.33 KB
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
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horus_swift.zip 90.68 KB
Horus_Swift_2015.pdf 1.35 MB
Brooke RK 1971. Geographical variation in the Little Swift Apus affinis (Aves: Apodidae). Durban Museum Novitates 11 (7) 93 - 103
… Durban Museum Novitates … Geographical variation in the Little Swift Apus affinis (Aves Apodidae) …
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Geographical variation in the Little Swift Apus affinis.pdf 228.47 KB
Brooke RK 1971. Geographical variation in the Alpine Swift Apus (Tachymarptis) melba (Aves: Apodidae). Durban Museum Novitates 9 (10) 131 - 143
… Durban Museum Novitates … Geographical variation in the Alpine Swift Apus ( Tachymarptis ) melba (Aves Apo... …
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Geographical variation in the Alpine Swift Apus.pdf 277.12 KB
Brooke RK 1975. Seasonal distribution of the migratory European Swift Apus apus (Linnaeus) (Aves: Apodidae) in the Ethiopian Region. Durban Museum Novitates 10 (20) 239 - 249
… This paper reviews the distribution and migration of the European Swift Apus apus in the Ethiopian Region, essentially Africa south …
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 …
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Swift Migration Routes and Strategies Akesson etal 2012_PLoSOne.pdf 383.62 KB
Clancey PA 1981. The European Swift Apus apus (Linnaeus) in the southern Afrotropics. Durban Museum Novitates 13 (2) 13 - 20
The highly migratory swift Apus apus of the Palaearctic winters wholly within the Afrotropics south of c. 9 S., and is currently considered to comprise only two moderately well - differentiated subspecies A …
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The European Swift Apus apus in the southern Afrotropics.pdf 178.63 KB
Brooke RK 1972. Geographical variation in Palm Swifts Cypsiurus (Aves: Apodidae). Durban Museum Novitates 9 (16) 217 - 231
… Current name: African Palm-Swift. … Durban Museum Novitates … Geographical variation in Palm Swifts Cypsiurus (Aves Apodidae) …
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Geographical variation in palm swifts Cypsiurus.pdf 285.98 KB
Brooke RK 1970. Geographical variation and distribution in Apus barbatus, A. bradfieldi, and A. niansae (Aves: Apodidae). Durban Museum Novitates 8 (19) 363 - 374
and should not be lumped into barbatus as proposed by Lack (1956). Birds from Kuruman, Northern Cape are a new subspecies, deserticola. … Durban Museum Novitates … Geographical variation and distribution in Apus barbatus , A. bradfieldi , and A. nia... …
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Geographical variation and distribution in Apus barbatus.pdf 258.69 KB
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. …
Bauer AM, Branch WR 1995. Geographic variation in western populations of the Pachydactylus punctatus complex (Reptilia Gekkonidae). Tropical Zoology 8 (1) 69-84
… Extensive colour pattern variation in Namibian populations of geckos of the Pachydactylus punctatus complex is geographically consistent and is corroborated by minor, but statistically significant, …
Dubach J, Patterson BD, Briggs MB, Venzke K, Flamand J, Stander P, Scheepers L, Kays RW 2005. Molecular genetic variation across the southern and eastern geographic ranges of the African lion, Panthera leo. Conservation Genetics 6 15-24
… We examined sequence variation in the mitochondrial cytochrome  b  and NADH dehydrogenase subunit 5 genes (2,360 bp total) for 26 lions from eleven locations …
Bradshaw PL 2009. Endemism and richness in the Cape floristic region: phytogeographic patterns and environmental correlates in a global biodiversity hotspot.
… This study reports on an investigation of the phytogeographical patterns retrieved within the exceptionally species rich Cape Floristic … climatic and environmental variables using a regression technique which accounted for spatial variation in parameter estimates highlighted the importance of both the energy-water hypothesis, …
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Endemism and richness in the Cape floristic region_2009.pdf 66.46 MB
Brown CJ 1989. Some breeding sites of Horus and Bradfield's Swifts in South West Africa/Namibia. Madoqua 16 (1) 69 - 70
Horus Swifts occur and breed, as far south as Windhoek and the Khomas Hochland. Bradfield's Swift nests in dead …
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Brown_1989_Madoqua_16_1_swifts.pdf 352.77 KB
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 …
Pinto A 1967. Geographical variation of the African cisticola Cisticola subruficapilla (A. Smith), and description of a new subspecies for Angola. Boletim do Instituto de Investigacao Cientifica de Angola 4 7-13
Geographical variation of the African cisticola Cisticola subruficapilla (A. Smith), and description of a new subspecies for Angola. Copies can be obtained from The Percy …
Bates MF, Heideman NJL, Wilson BA, Hendricks MGJ, Don N, Moses C 1998. Morphological variation and geographical distribution in the South African lizards Typhlosaurus caecus (Cuvier 1817) and Typhlosaurus vermis Boulenger 1887 (Scincidae: Acontinae). African Journal of Herpetology 47 (2) 35-41
The most recent evaluation of morphological variation in Typhlosaurus caecus was based on only … Port Nolloth here referred to T. vermis. We report on morphological variation in 25 T. caecus and 33 T. vermis from several localities within their known ranges. The two species are … distribution, South Africa. … African Journal of Herpetology … Morphological variation and geographical distribution in the South African lizards Typhlosaurus c... …
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 …
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Geographical variation in the Yellow_breasted Apalis.pdf 601.1 KB
Southern African Bird Atlas Project (SABAP) 1997. SABAP: 416 Horus Swift.
… Apodiformes, Apodidae, Apus horus. … SABAP 416 Horus Swift …
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SABAP_416_Horus Swift.zip 78.28 KB
SABAP_416_Horus Swift.kmz 1.39 KB
Clancey PA 1980. The mainland Afrotropical subspecies of the Little Swift Apus affinis (Gray). Durban Museum Novitates 12 (12) 151 - 156
… In: Miscellaneous taxonomic notes on African birds 58. Apus affinis theresae is the race of the Little Swift occurring in Namibia. … Durban Museum Novitates … The mainland Afrotropical subspecies of the Little Swift Apus affinis (Gray) …
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 …
Lawson WJ 1963. The geographical variation in the Marico Flycatcher Bradornis mariquensis Smith, with the description of a race. Bulletin of the British Ornithologists' Club 83 146 - 148
… vinaceus, male adult, obtained at Tshane on 31 May 1957. No collector stated on label. In the collection of the National Museum, Bulawayo, Reg. No. 31355. … Bulletin of the British Ornithologists' Club … The geographical variation in the Marico Flycatcher Bradornis mariquensis Smith, with the des... …
Clancey PA 1960. Geographical variation in the White-backed Mousebird Colius colius (Linnaeus). Bulletin of the British Ornithologists' Club 80 14 - 15
… Taxonomic review. Two races recognized. … Bulletin of the British Ornithologists' Club … Geographical variation in the White-backed Mousebird Colius colius (Linnaeus) …
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Geographical vartiation in the White_backed Mousebird.pdf 922.01 KB
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 …
Vaurie C 1952. Geographical variation in the Chat Flycatcher (Bradornis infuscatus). American Museum Novitates 1599 1 - 9
… American Museum Novitates … Geographical variation in the Chat Flycatcher ( Bradornis infuscatus ) …
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Geographical variation in the chat flycatcher.pdf 771.49 KB
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 …
Loutit R 1982. Bradfield's swift Apus bradfieldi feeding on bees. Madoqua 12 (2) 125
… At a hive on the skeleton coast, with apparent impunity. … Madoqua … Bradfield's swift Apus bradfieldi feeding on bees …