Vol. 13 (2023)

Biodiversity Observations

Published: 2023-01-20

Articles

Powerful wind kills hundreds of birds

Ryan M Tippett, Les G Underhill

301-305
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The use of eye-colour and other features to determine the age of Arrow-marked Babblers Turdoides jardineii

Ursula Bryson, Dane M Paijmans

293-300
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Records and distribution of House Crow Corvus splendens within the eThekwini Municipality from August 2019 to August 2023

Mmatjie Mashao, Sambulo N Mhlongo, Sithembile P Nsibande, Menzi M Nxumalo, Nomzamo A Mncube

289-292
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Record of Progressive Greying in Laughing Dove Spilopelia senegalensis in Nigeria

BA Owolabi, OS Okeyode, OS Odewumi, AA Adewumi, AH Olasunkanmi, OM Fakokunde

287-288
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Non-colonial ground-nesting birds on Robben Island: positive impact of the removal of feral cats on the abundance of Chukar Partridge and Fiery-necked Nightjar

Les G Underhill, Chris Wilke, Barry Hattingh

282-286
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Preliminary inventory of intertidal flora in Vigur Island, Iceland

David Pierre Milesi-Gaches

273-281
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Tail bifurcation in Chinese blue-tailed skink Plestiodon chinensis (Gray, 1839)

wannan Xu, Wenrui Zhu

270-272
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The Virtual Museum: an African biodiversity database holding more than two million records

Les G Underhill, Rene Navarro

252-269
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Capped Wheatear Oenanthe pileata breeding in association with Brant's Whistling Rat Parotomys brantsii

Les G Underhill

247-251
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Biometrics and moult of Grey-backed Sparrow-lark Eremopterix verticalis in the Karoo, September 2023

Graeme Hatley, H Dieter Oschadleus, Les G Underhill, Jean Ramsay

239-246
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First records of leucism in two species of duiker (Cephalophinae) in Gabon

Stephan Ntie, Froese Graden, Placide Obiang Eyeghe, Joseph Okouyi , Johnny Mfane Otsaghe

233-238
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Sighting of Orange-Headed Thrush Geokichla citrina at Shekha Wetland: An Important Bird Area, Aligarh, Uttar Pradesh, India

Shahzada Iqbal, Amee Mehta, Mirza Altaf Beig

230-232
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Marbled Teal Marmaronetta angustirostris breeding in Wadi Djedi at Ziban region, Algerian Sahara

Yassine Nouidjem, Fateh Mimeche

226-229
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Behavioural and anatomical observations of the amphibious snail Pirenella conica (Gastropoda: Potamididae)

Aydin Orstan

219-225
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Note on the nest-building behaviour, socio-negative interactions and courtship display of the Lesser Antillean Bullfinch Loxigilla noctis sclateri in a suburban area of St Lucia

Vladislav Marcuk, Donovan de Boer

214-218
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Bird surveys at windfarms in the Eastern Cape, South Africa

Vincent Parker

206-213
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Grey Herons Ardea cinerea hunting and eating Little Swifts Apus affinis

Xurxo Piñeiro

204-205
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Birds of SABAP2 pentad 2915_2555 on the Jagersfontein Road, south-west of Bloemfontein, Free State

Dawie de Swardt

196-203
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Partial leucistic Gabar Goshawk Micronisus gabar in Bethlehem, Free State

Martin Potgieter

192-195
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Millions of Caper Whites Belenois aurota 100 km offshore of West Africa

Albert Chipps, Les G Underhill

189-191
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Spotted Gully Shark Triakis megalopterus at Robben Island, Table Bay, South Africa

Ekiñe Velasco, Jon Zubillaga, Maite Gonzalez, Emy Cottrant

186-188
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Reptiles and Amphibians of the Cape of Good Hope Nature Reserve, Western Cape, South Africa

Mike Fraser

162-185
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Cetacean sightings from Mozambican waters, including the first records of Rough-toothed Dolphin Steno bredanensis and Fraser’s Dolphin Lagenodelphis hosei

Dominic P. Rollinson

154-161
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Near-exclusive use of Setaceus Asparagus Fern Asparagus setaceus in the construction of nests by three South African bird species

Raleigh L Meredith

149-153
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Knob-billed Duck Sarkidiornis melanotos moulting in the Free State

Martin Potgieter

146-148
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Northern Shoveler Spatula clypeata: a possible first breeding record for Algeria

Ayeb Slimane, Elafri Ali, Salah Telailia

142-145
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Impact of cold and wet weather on Common Swifts Apus apus (with comments)

Eddie Rabie, Christa Rabie, H Dieter Oschadleus

140-141
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Breeding range extension of Southern Carmine Bee-eater Merops nubicoides in Botswana

Duncan McKenzie

135-139
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Sparrows roosting and breeding in old nests of Cape Weavers Ploceus capensis

H Dieter Oschadleus

131-134
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Observations and analysis of Ayres’s Hawk-Eagle Hieraaetus ayresii occurrence and behaviour over the Linksfield Ridge, Johannesburg, South Africa

Paul da Cruz

117-130
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Records of tail bifurcation in rainbow lizards Agama agama (Linnaeus, 1758) in Umudike, Nigeria

Levi N Onyenweaku, Augustibe U Ezealor, Kingsley U Maxwell

113-116
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Observations of claw differences in an invasive crayfish (Orconectes virilis)

Amanda Luzardo, Nicole M Johnson, Julia Custelcean, Sophie Prevost, Christie Sampson, Steven M Vamosi, Emily Baumgartner

106-112
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Prey items of Southern Fiscal Lanius collaris in southern Namibia

Peter L Cunningham (Snr) , Peter L Cunningham (Jnr)

98-105
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Arthropod associates of a Yellow-billed Cuckoo Coccyzus americanus on Vaca Key, Monroe County, Florida, USA

Lawrence Hribar

95-97
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Web-sourced photographic methods reveal dietary composition and shifts in resident and migrant Coracias rollers in southern Africa

Lisa Nupen, Maya Gardner, Julia Morin, Tshianeo Ndou, Emily K. Dugmore

61-94
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Red-billed Oxpecker Buphagus erythrorhynchus in the KhoiSan Karoo Conservancy, Northern Cape, South Africa

Josu Meléndez-Arteaga, Jon Blanco, PC Ferreira, Rick J Nuttall, H Dieter Oschadleus, Les G Underhill

50-60
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Attempted forced copulation by an immature Red-winged Blackbird male: Video evidence from the Grand River Grasslands of Iowa and potential explanations

Wendy Tori, Joshua Angell, Hannah Grushon, Claudette Roskamp, Thea Clarkberg, Ethan King, Molly McKellar, Jessica Mingione, Jaime Coon

42-49
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A Guide to the Common Garden Birds of Cape Town, South Africa

Karis Daniel, Megan Loftie-Eaton

7-41
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The open-access journal Biodiversity Observations: report for the period 2010-2022

Les G Underhill, Rene A Navarro

1-6
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