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Garcia-Heras M-S, Mougeot F, Simmons R, Arroyo B 2017. Regional and temporal variation in diet and provisioning rates suggest weather limits prey availability for an endangered raptor. Ibis 2017 (DOI: 10.1111/ibi.12478)

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Regional and temporal variation in diet and provisioning rates suggest weather limits prey availability for an endangered raptor.pdf	887.86 KB

Simmons R, Kolberg H, Braby R, Erni B 2015. Declines in migrant shorebird populations from a winter-quarter perspective: State-Space Models for Shorebird Trends. Conservation Biology 29 (3) 877-878

Website link:http://dx.doi.org/10.1111/cobi.12493

Seymour CL, Simmons R, Joseph GS, Slingsby JA 2015. On Bird Functional Diversity: Species Richness and Functional Differentiation Show Contrasting Responses to Rainfall and Vegetation Structure in an Arid Landscape. Ecosystems DOI: 10.1007/s10021-015-9875-8

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On Bird Functional Diversity.pdf	806.6 KB

Symes C, Simmons R 2014. Coming to terms with Verreaux's Eagle and Verreaux's Eagle-Owl. Gabar 24 (1) 4-7

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Coming to terms with Verreauxs Eagle and Verreauxs Eagle_Owl.pdf	315.6 KB

Simmons R 2011. Black Harriers - in synch and in trouble?. (22)

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Black Harriers_in synch and in trouble _2011.pdf	126.08 KB

Simmons R, Shaw K, Thomsett S 2009. Digital Discovering. Africa - Birds & Birding (October/November 2009) 14

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Digital ringing Af BB 2009.pdf	253.55 KB

Simmons R 2009. Desert detour for Damaras. (December 2009/January 2010) 58-60

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Desert detour for Damaras.pdf	496.48 KB

Simmons R, Barnard P 2009. How will birds cope with climate change?. Birdlife South Africa (December 2009/January 2010) 78-79

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Birds_and_Climate_change.pdf	188.08 KB

Simmons R, Baker N, Braby R, Dodman T, Nasirwa O, Tyler S, Versfeld W, Wearne K, Wheeler M 2007. The Chestnut-banded Plover is an overlooked globally Near Threatened Species. Bird Conservation International (17) 273-283

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The Chestnut_banded Plover is an overlooked globally Near Threatened Species.pdf	243.55 KB

Website link:http://journals.cambridge.org/abstract_S0959270907000779

Simmons R, Brown C, Cunningham P, Kapofi I, Kolberg H, Scott A, Scott M, Versfeld W 2006. Etosha Blues: cranes hang on in Namibia. Africa - Birds and Birding 11 (4) 51

Website link:http://www.fitzpatrick.uct.ac.za/fitz/publications/semipopular/archive/2006/

Simmons R 2004. Red Data Book draft. Lanioturdus 37 (2) 27-32

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Red Data Book draft.pdf	448.44 KB

Simmons R, Brown CJ 2004. Red data status of the Martial Eagle in Namibia. Gabar 15 (1) 5-8

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Red data status of the Martial Eagle in Namibia.doc	53.5 KB

Simmons R 2004. Red Data Book draft. Lanioturdus 37 (3&4) 19-25

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Red Data Book draft_2004.pdf	443.67 KB

Simmons R, Lloyd P 2002. Sandgrouse: The biology behind conserving through sustainable use. Lanioturdus 35 (3) 12-24

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Sandgrouse_The biology behind conserving through sustainable use.pdf	690.12 KB

Simmons R 2001. Successful conservation measures for Damara Terns in Namibia. Lanioturdus 34 (1) 14-16

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Successful conservation methods for Damara Terns in Namibia.pdf	221.83 KB

Curtis O, Jenkins A, Simmons R 2001. The Black Harrier - Work in Progress. Africa - Birds and Birding October/November 2001 31-39

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The Black Harrier_Work in Progress.pdf	672.8 KB

Simmons R 2000. Peregrines and other raptors at Sandwich Harbour. Lanioturdus 33 (1&2) 8-13

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Peregrines and other raptors at Sandwich Harbour.pdf	302.89 KB

Simmons R, Borello WD 1999. 5. Flamingo migration routes — a challenge for Mozambique. Bird Numbers 8 (1)

Website link:http://web.uct.ac.za/depts/stats/adu/bn8_1_05.htm

Simmons R 1998. World record Terns at Sandwich?. Lanioturdus 31 (1) 23-26

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World record Terns at Sandwich.pdf	338.19 KB

Simmons R 1997. Namibian wetland bird counts for 1997. Lanioturdus 30 (3) 27-31

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Namibian wetland bird counts for 1997.pdf	370.79 KB

Simmons R 1997. Ecological factors promoting large bird populations in Walvis Bay. Towards an integrated management and development plan for the Walvis Bay lagoon and environs

de Villiers D, Simmons R 1997. The high incidence and origin of two-egg clutches in a Damara Tern colony in southwestern Namibia. Madoqua 19 (2) 111-113

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de_Villiers_1997_Madoqua_19_2_Damara_Tern.pdf	680.49 KB

Simmons R 1995. The Namibian nest record scheme - third annual report: May 1993 - August 1994. Lanioturdus 28 3-11

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The Namibian nest record scheme_third annual report_May 1993_August 1994.pdf	409.49 KB

Simmons R, Braine S 1994. Breeding, foraging, trapping and sexing of Damara Terns in the Skeleton Coast Park, Namibia. Ostrich: 65 (3-4) 264 - 273

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Breeding_foraging_trapping and sexing of Damara Terns in the Skeleton Coast Park_1994.pdf	1.35 MB

Simmons R 1993. Namibia's third national wetland bird survey, July 1992. Lanioturdus 27 9-12

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Namibias third national wetland bird survey_July 1992.pdf	315.59 KB

Simmons R 1993. The Namibian nest record scheme: History, contributors and competitors. Lanioturdus 27 66-76

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The Namibian nest record scheme_History_contributors and competitors_1993.pdf	520.33 KB

Simmons R 1993. Catching and counting the elusive Damara Tern. African Wildlife (4) 150-153

Simmons R 1992. Brood adoption and deceit among African Marsh Harriers Circus ranivorus. Ibis 134 (1) 32–34

Website link:http://onlinelibrary.wiley.com/doi/10.1111/j.1474-919X.1992.tb07226.x/abstract

Simmons R 1991. Comarisons and functions of sky-dancing displays of Circus harriers: untangling the marsh harrier complex. Ostrich: Journal of African Ornithology 62 (1-2) 45-51

Website link:http://www.tandfonline.com/doi/abs/10.1080/00306525.1991.9639640

Simmons R 1991. International waterfowl census - Namibia. Lanioturdus 26 (1) 21-22

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International waterfowl census_1991.pdf	231.04 KB

Henschel JR, Mendelsohn JM, Simmons R 1991. Is the association between the Gabar goshawk and social spiders Stegodyphus mutualism or theft?. Gabar 6 (2) 57-60

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Is the association between the Gabar goshawk and social spiders Stegodyphus mutualism or theft.pdf	149.75 KB

Simmons R 1991. Squeezing the ringers, Namibian style. Safring News 20 (1) 36-41

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Squeezing the ringers_Namibian style.pdf	614.79 KB

Simmons R 1990. Variations in raptor road counts due to observer speed-reply to DG Allan. Gabar 5 (1) 3-4

Simmons R 1988. Honest Advertising, Sexual Selection, Courtship Displays, and Body Condition of Polygynous Male Harriers. The Auk 105 (2) 303-307

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Honest Advertising_Sexual Selection_Courtship Displays and Body Condition of Polygynous Male Harriers.pdf	416.73 KB

Simmons R 1988. Offspring quality and the evolution of cainism. Ibis 130 (3) 339–357

Website link:http://onlinelibrary.wiley.com/doi/10.1111/j.1474-919X.1988.tb08809.x/abstracthttp://onlinelibrary.wiley.com/doi/10.1111/j.1474-919X.1988.tb08809.x/abstract

Simmons R, Barnard P, Smith PC 1987. Reproductive Behaviour of Circus cyaneus in North America and Europe: A Comparison. Ornis Scandinavica 18 (1) 33-41

Website link:http://www.jstor.org/discover/10.2307/27669756?uid=4&sid=21100861900201

Simmons R, MacWhirter B, Barnard P, Hansen GL 1987. Erratum: The influence of microtines on polygyny, productivity, age, and provisioning of breeding Northern Harriers: a 5-year study. Canadian Journal of Zoology 65 (9) 2324

Website link:http://www.nrcresearchpress.com/doi/abs/10.1139/z87-350

Barnard P, MacWhirter B, Simmons R, Hansen GL, Smith PC 1987. Timing of breeding and the seasonal importance of passerine prey to Northern Harriers (Circus cyaneus). Canadian Journal of Zoology 65 (8) 1942 - 1946

Website link:http://www.nrcresearchpress.com/doi/abs/10.1139/z87-295#.VS0agGf9kpE

Barnard P, MacWhirter B, Simmons R, Hansen GL, Smith PC 1987. Timing of breeding and the seasonal importance of passerine prey to northern harriers (Circus cyaneus). Canadian Journal of Zoology 65 (8) 1942-1946

Website link:http://www.nrcresearchpress.com/doi/abs/10.1139/z87-295

Barnard P, Simmons R, Jackson HD, Goodman SM, Cyrus DP, Herholdt JJ 1986. Short Notes. Ostrich: Journal of African Ornithology 57 (2) 107-114

Website link:http://www.tandfonline.com/doi/abs/10.1080/00306525.1986.9634133

Simmons R 1986. Food Provisioning, Nestling Growth and Experimental Manipulation of Brood Size in the African Redbreasted Sparrowhawk Accipiter rufiventris. Ornis Scandinavica 17 (1) 31-40

Website link:http://www.jstor.org/discover/10.2307/3676750?uid=4&sid=21100861992911

Simmons R 1986. Ecogical segregation of the Red-Breasted Sparrowhawk Accipiter rufiventris and six coexisting Accipitrine raptors in Southern Africa. Ardea 74 (137-149)

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Ecological segregation of the Red_breasted Sparrowhawk Accipiter rufiventris_1986.pdf	760.28 KB

Simmons R, Barnard P, MacWhirter B, Hansen GL 1986. The influence of microtines on polygyny, productivity, age, and provisioning of breeding Northern Harriers - a 5-year study. Canadian Journal of Zoology 64 (11) 2447 - 2456

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The influence of microtines on polygyny_productivity_age_and provisioning of breeding Northern Harriers.pdf	917.11 KB

Website link:http://www.nrcresearchpress.com/doi/abs/10.1139/z86-365

Simmons R 1986. Immature black sparrowhawk eating live guineafowl. Gabar 1 (2) 60-61

Simmons R 1986. Why is the foraging success of ospreys wintering in southern Africa so low?. Gabar 1 (1) 14-19

Barnard P, Simmons R 1986. The functions of leg-lowering in territorial predatory birds. Ostrich: Journal of African Ornithology 57 (2) 107 - 109

Website link:http://www.tandfonline.com/doi/abs/10.1080/00306525.1986.9634133#.VSZ-Xmf9kpE

Simmons R, Smith PC 1985. Do Northern Harriers (Circus cyaneus) choose nest sites adaptively?. Canadian Journal of Zoology 63 (3) 494-498

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Do Northern Harriers choose nest sites adaptively.pdf	635.83 KB

Simmons R, Mendelsohn J Cartwheeling flights courtship display or aggression. African Wildlife 70 (1) 7-8

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Cartwheeling flights courtship display or aggression.pdf	4.8 MB

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