An open-content, electronic journal published by the Animal Demography Unit
at the University of Cape Town

Biodiversity Observations (including Ornithological Observations) - ISSN 2219-0341
List of the 20 most downloaded articles.

Shadow boxing by birds - a literature study and new data from southern Africa
Joel Roerig
Ornithological Observations 2013 4:39-68, published 2013-06-04
Download: PDF (full text)        |        Downloads: 5687       |        Views: 2871
Birds of the Cape of Good Hope Nature Reserve, South-Western Cape, South Africa
Mike Fraser
Ornithological Observations 2014 5:139-247, published 2014-06-09
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Feral pigs: a threat to ground-nesting birds
JE Fincham and JA Hobbs
Ornithological Observations 2013 4:83-89, published 2013-06-12
Download: PDF (full text)        |        Downloads: 3008       |        Views: 1427
Cuckoo about cuckoos: identification of Common and African cuckoos re-examined
Faansie Peacock
Ornithological Observations 2014 5:411-430, published 2014-10-27
Download: PDF (full text)        |        Downloads: 2791       |        Views: 1720
Endemic fynbos avifauna: comparative range declines as cause for concern.
Alan TK Lee & Phoebe Barnard
Ornithological Observations 2012 3:19-28, published 2012-06-06
Download: PDF (full text)        |        Downloads: 2779       |        Views: 2537
First recorded breeding record of feral Common Peacock Pavo cristatus in Africa
TM Leshoro, LG Underhill and BM Dyer
Ornithological Observations 2010 1:1-2, published 2010-08-31
Download: PDF (full text)        |        Downloads: 2695       |        Views: 4856
Notes on the breeding and breeding success of Crowned Lapwings Vanellus coronatus in the southern suburbs of Bloemfontein
DH de Swardt
Ornithological Observations 2010 1:48-51, published 2010-11-06
Download: PDF (full text)        |        Downloads: 2638       |        Views: 1985
How to make 2.5 billion termites disappear? A case for protecting the Amur Falcon
Henk Bouwman, Craig Symes & Hannalene du Plessis
Ornithological Observations 2012 3:232-242, published 2012-11-29
Download: PDF (full text)        |        Downloads: 2634       |        Views: 2891
A comparative analysis of SABAP2 data for the Free State National Botanical Gardens and the Valley of Seven Dams Conservancy, Bloemfontein
Dawid H de Swardt
Ornithological Observations 2014 5:1-8, published 2014-01-05
Download: PDF (full text)        |        Downloads: 2275       |        Views: 954
Birds of the Ozabeni section of the Isimangaliso Wetland Park.
N.F. Robson and R.F. Horner
Ornithological Observations 2012 3:58-99, published 2012-08-20
Download: PDF (full text)        |        Downloads: 2197       |        Views: 1743
Growth and development of Crested Barbet Trachyphonus vaillantii nestlings
D Engelbrecht
Ornithological Observations 2010 1:59-62, published 2010-11-22
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Nectar-feeding by southern African birds, with special reference to the Mountain Aloe Aloe marlothii
Derek Engelbrecht, Joe Grosel, Daniel Engelbrecht
Ornithological Observations 2014 5:49-74, published 2014-03-17
Download: PDF (full text)        |        Downloads: 2017       |        Views: 1100
Egyptian Goose Alopochen aegyptiaca hybridizes with Common Shelduck Tadorna tadorna
DH de Swardt
Ornithological Observations 2010 1:63-64, published 2010-12-27
Download: PDF (full text)        |        Downloads: 1994       |        Views: 2270
Caught in the act II: Boomslang predation on Sabota Lark nest.
Derek Engelbrecht and Lucy Mashao
Ornithological Observations 2012 3:211-212, published 2012-10-09
Download: PDF (full text)        |        Downloads: 1938       |        Views: 3405
How many tortoises do a pair of Pied Crows Corvus albus need to kill to feed their chicks?
John E Fincham and Nollie Lambrechts
Ornithological Observations 2014 5:135-138, published 2014-05-25
Download: PDF (full text)        |        Downloads: 1929       |        Views: 2212
Eyewitness report: Crested Barbet chicks killed by Lesser Honeyguides.
Ken Hattingh and Alfreda Hattingh
Ornithological Observations 2012 3:56-57, published 2012-08-16
Download: PDF (full text)        |        Downloads: 1868       |        Views: 1323
Annotated checklist of the birds of Banhine National Park, Southern Mozambique
DW Pietersen and EW Pietersen
Ornithological Observations 2010 1:7-37, published 2010-10-21
Download: PDF (full text)        |        Downloads: 1789       |        Views: 2816
Random time-activity budgets in captive Southern Ground Hornbill Bucorvus leadbeateri (Vigors, 1825)
Mark Cooper and Lara Cooper
Ornithological Observations 2013 4:154-157, published 2013-12-22
Download: PDF (full text)        |        Downloads: 1768       |        Views: 1081
New migration records for the Damara Tern Sterna balaenarum
J Braby
Ornithological Observations 2010 1:38-41, published 2010-10-29
Download: PDF (full text)        |        Downloads: 1693       |        Views: 3315
Object play of an immature Martial Eagle Polemaetus bellicosus
Derek Engelbrecht
Ornithological Observations 2010 1:52-54, published 2010-11-11
Download: PDF (full text)        |        Downloads: 1681       |        Views: 3497