Biodiversity Observations

About the Journal

Biodiversity Observations is an Open Access ejournal which focuses on the publication of descriptive papers which report observations relating to biodiversity. There is a summary of the activities of the journal for the period 2010-2022 here.

Current Issue

Vol. 13 (2023)

Published: 2023-01-20

Articles

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

Les G Underhill

247-251
- PDF
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
- PDF
First records of leucism in two species of duiker (Cephalophinae) in Gabon

Stephan Ntie, Froese Graden, Placide Obiang Eyeghe, Joseph Okouyi

233-238
- PDF
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
- PDF
Marbled Teal Marmaronetta angustirostris breeding in Wadi Djedi at Ziban region, Algerian Sahara

Yassine Nouidjem, Fateh Mimeche

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

Aydin Orstan

219-225
- PDF
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
- PDF
Bird surveys at windfarms in the Eastern Cape, South Africa

Vincent Parker

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

Xurxo Piñeiro

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

Dawie de Swardt

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

Martin Potgieter

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

Albert Chipps, Les G Underhill

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

Ekiñe Velasco, Jon Zubillaga, Maite Gonzalez, Emy Cottrant

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

Mike Fraser

162-185
- PDF
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
- PDF
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
- PDF
Knob-billed Duck Sarkidiornis melanotos moulting in the Free State

Martin Potgieter

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

Ayeb Slimane, Elafri Ali, Salah Telailia

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

Eddie Rabie, Christa Rabie, H Dieter Oschadleus

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

Duncan McKenzie

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

H Dieter Oschadleus

131-134
- PDF
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
- PDF
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
- PDF
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
- PDF
Prey items of Southern Fiscal Lanius collaris in southern Namibia

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

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

Lawrence Hribar

95-97
- PDF
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
- PDF
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
- PDF
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
- PDF
A Guide to the Common Garden Birds of Cape Town, South Africa

Karis Daniel, Megan Loftie-Eaton

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

Les G Underhill, Rene A Navarro

1-6
- PDF

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Biodiversity Observations

About the Journal

Current Issue

Articles

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

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

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

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

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

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

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

Bird surveys at windfarms in the Eastern Cape, South Africa

Grey Herons Ardea cinerea hunting and eating Little Swifts Apus affinis

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

Partial leucistic Gabar Goshawk Micronisus gabar in Bethlehem, Free State

Millions of Caper Whites Belenois aurota 100 km offshore of West Africa

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

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

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

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

Knob-billed Duck Sarkidiornis melanotos moulting in the Free State

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

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

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

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

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

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

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

Prey items of Southern Fiscal Lanius collaris in southern Namibia

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

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

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

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

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

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

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