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Simmons RE 1997. Why don't all siblicidal eagles lay insurance eggs? The egg quality hypothesis. Behavioral Ecology 8 (5) 544-550

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Why dont all siblicidal eagles lay insurance eggs_1997.pdf	695.86 KB

Simmons RE 1997. Rockrunner Achaetops pycnopygius. The Atlas of Southern African Birds Harrison, J. A.; al, et 285

Simmons RE 1997. Carp's black tit Parus carpi. The Atlas of Southern African Birds Harrison, J. A.; al, et 116-117

Crawford RJM, Simmons RE 1997. Dama Tern. The Atlas of Southern African Birds 1 480-481

Simmons RE 1996. Mass poisonings of Lappetfaced Vultures in Namibia. Journal of African Raptor Biology 10 3

Simmons RE, Trewby I, Trewby M 1996. Are Etosha's Blue Cranes declining. African Wildlife 50 32-34

Simmons RE, Scheepers L 1996. Winning by a neck - sexual selection in the evolution of giraffe. American Naturalist 148 771-786

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Giraffe Simmons American Naturalist 148.pdf	1.85 MB

Kolberg H, Griffin M, Simmons RE 1996. Case Study 1: Namibia - The ephemeral wetland systems of central northern Namibia. Wetlands, Biodiversity, and the Ramsar Convention 40-42

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The ephemeral wetland systems of central northern Namibia.PDF	378.49 KB

Simmons RE 1996. Population declines, viable breeding areas, and management options for Flamingos in southern Africa. Conservation Biology 10 (2) 504–514

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Population declines_viable breeding areas_and management options for Flamingos in southern Africa.pdf	1.62 MB

Simmons RE 1996. Namibia [wetland birds]. African Waterfowl Census 1996 Dodman, T.; Taylor, V.

Website link:https://uia.org/s/or/en/1100036550

Robertson A, Simmons RE, Jarvis AM, Brown CJ 1995. Can Bird Atlas data be used to estimate population size? A case study using Namibian endemics. Biological Conservation 71 87 - 95

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Can Bird Atlas data be used to estimate population size.doc	634.5 KB

Simmons RE 1995. Mass poisoning of Lappet-faced Vultures in Namibia. Journal of African Raptor Biology (10) 3

Website link:http://globalraptors.org/grin/ResearcherResults.asp?lresID=229

Fox VE, Lindeque PM, Simmons RE, Berry HH, Brain C, Braby R 1994. Flamingo "rescue" in Etosha National Park, 1994: technical, conservation and economic considerations. Ostrich: Journal of African Ornithology 68 (2-4) 72-76

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Flamingo rescue in Etosha National Park_1994.pdf	2.3 MB

Simmons RE 1994. Supplemental food alters egg size hierarchies within Harrier clutches. Oikos 71 341-348

Website link:http://www.jstor.org/stable/3546283

Simmons RE 1994. Namibia [wetland birds]. African Waterfowl Census 1994 Taylor, V.; Rose, P. 95-102

Website link:https://uia.org/s/or/en/1100036550

Simmons RE, Mendelsohn JM 1993. A critical review of cartwheeling flights of raptors. Ostrich: Journal of African Ornithology 64 (1) 13-24

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A critical review of cartwheeling flights of raptors_1991.pdf	3.79 MB

Simmons RE, Braby R, Braby SJ 1993. Ecological studies of the Cunene River mouth: Avifauna, herpetofauna, water quality, flow rates geomorphology and implications of the Epupa Dam. Madoqua 18 (2) 163 - 180

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Simmons_1993_Madoqua_18_2_Cunene.pdf	4.21 MB

Birkhead TR, Stanback MT, Simmons RE 1993. The phalloid organ of Buffalo Weavers Bubalornis. Ibis 135 (3) 326 - 331

Website link:http://onlinelibrary.wiley.com/doi/10.1111/j.1474-919X.1993.tb02852.x/abstract

Simmons RE 1993. Damming the mighty Cunene. (April) 1 - 5

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Damming the mighty Cunene_1993.pdf	1.09 MB

Simmons RE 1993. Effects of supplementary food on density-reduced breeding in an African eagle - adaptive restraint or ecological constraint?. Ibis 135 394-402

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Effects of supplementary food on density_reduced breeding in an African eagle_1993.pdf	1.28 MB

Simmons RE 1993. A census of the desert-breeding Damara Tern Sterna balaenarum in Namibia. 1 – 4

Website link:http://agris.fao.org/agris-search/search/display.do?f=1994/BE/BE94003.xml%3BBE9400555

Henschel JR, Simmons RE, Mendelsohn JM 1992. Gabar goshawks and social spiders revisited: untangling the web. Gabar 7 (2) 49-50

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Gabar goshawks and social spiders revisited_untangling the web.pdf	116.19 KB

Braby R, Braby SJ, Simmons RE 1992. 5000 Damara Terns in the Northern Namib Desert - a reassessment of world-population numbers. Ostrich: Journal of African Ornithology 63 (2-3) 133-135

Website link:http://www.tandfonline.com/doi/abs/10.1080/00306525.1992.9633964#.VRz5lmf9kpE

Simmons RE 1992. The status of coastal wetlands in Namibia. Wetlands conservation conference for southern Africa. Matiza, T.

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The status of coastal wetlands in Namibia_Simmons.pdf	2.3 MB

Simmons RE, Avery DM, Avery G 1991. Biases in diets determined from pellets and remains: correction factors for a mammal and bird-eating raptor. Journal of Raptor Research 25 (3) 63-67

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Biases in diets determined from pellets and remains_1991.pdf	599.27 KB

Simmons RE 1991. Wading birds of the Sandwich Harbour wetlands: Preliminary estimates and alternative counting methods. Lanioturdus 26 4 - 15

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Wading birds_Sandwich Wetlands_1991.pdf	542.46 KB

Schlettwein CHG, Simmons RE, Macdonald IAW, Grobler HJW 1991. Flora, fauna and conservation of East Caprivi wetlands. Madoqua 17 (2) 67 - 76

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East Caprivi wetlands Madoqua 1991.pdf	1.35 MB

Simmons RE 1990. Copulation patterns of African marsh harriers: Evaluating the paternity assurance hypothesis. Animal Behaviour 40 (6) 1151–1157

Website link:http://www.sciencedirect.com/science/article/pii/S0003347205801812

Simmons RE 1989. A winter raptor road count across South Africa - by bicycle. Gabar 4 18 - 21

Simmons RE 1988. Food and the deceptive acquisition of mates by polygynous male harriers. Behavioral Ecology and Sociobiology 23 (2) 83 - 92

Website link:http://www.jstor.org/stable/4600193

Simmons RE, Smith PC, Macwhirter RB 1986. Hierarchies among Northern Harrier (Circus cyaneus) harems and the costs of polygyny. Journal of Animal Ecology 55 (3) 755 - 771

Website link:http://www.jstor.org/stable/4414

Simmons RE Records of known-age Egyptian Vulture seen in Namibia, 1978 to 2002.

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Egyptian vulture records.doc	50 KB

Underhill LG, van Heezik YM, Seddon PJ, Malan G, Learmonth G, Braby R, Braby SJ, Simmons RE, de Swardt DH, Buys PJ, Bothma N Short Notes. Ostrich: Journal of African Ornithology 63 (2-3) 128-137

Website link:http://www.tandfonline.com/doi/abs/10.1080/00306525.1992.9633964

Williams AJ, Simmons RE, Wearne K Birds of the Walvis Bay wetlands, Namibia: 12 Years of counts as an aid to conservation.

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