Hadeda Ibis (Bostrychia hagedash) urban nesting and roosting sites

Singh, Preshnee; Downs, Colleen T.

doi:10.1007/s11252-016-0541-5

Cited by 12 publications

(7 citation statements)

References 30 publications

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“…Managing invasive species could also be beneficial for minimizing bird strikes. In other South African cities, for example, the hadeda ibis favours exotic over indigenous trees for nesting and roosting (Singh & Downs 2016b), so removing these trees could reduce bird strikes (Byron & Downs 2002). Integrating the invasive species management framework with one based on subcategories of hazardous species will not eliminate the difficulty of managing birds around the airfield, but it could make the task more practicable.…”

Section: Discussionmentioning

confidence: 99%

Urbanization Around an Airfield Alters Bird Community Composition, but not the Hazard of Bird–Aircraft Collision

Jeffery

Buschke

2018

Envir. Conserv.

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SummaryBird strikes are a considerable hazard to the aviation industry, which has led airports to develop detailed management strategies to identify and reduce the risk of them. These strategies include plans to modify bird habitats in and around airports to limit the establishment of high-risk species. Although airports are generally located on the outskirts of towns and cities, they may be encroached on by urban sprawl. In this study, we examined how an urbanization gradient affects the bird community around an air force base in Cape Town (South Africa) and quantified how this could modify the hazard of bird–aircraft collision. We surveyed the bird community in and around the Air Force Base Ysterplaat across four seasons and categorized species based on their response to increased urbanization (urban avoiders, adapters and exploiters). By combining this with species-specific information on body size, flock size, flight behaviour and abundance, we showed that although urbanization affects bird composition, the overall hazard of bird–aircraft collision is consistent regardless of urban response. However, urbanization complicates mitigation in the matrix surrounding the airport and creates novel challenges for the management of bird hazards. Therefore, new bird hazard management strategies should be integrated within community-driven land-use planning to minimize the negative effects of bird–aircraft collisions.

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Section: Discussionmentioning

confidence: 99%

Urbanization Around an Airfield Alters Bird Community Composition, but not the Hazard of Bird–Aircraft Collision

Jeffery

Buschke

2018

Envir. Conserv.

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“…The region generally experiences warm-to-hot summer temperatures with frequent rainfall and dry winters with high diurnal temperature variation (Nel 2009 ). The vegetation composition, topography and subtropical climate zone are the major factors that contribute to the area's suitability as a habitat for several wildlife species, particularly bird species (Singh and Downs 2016a , b ; Thabethe and Downs 2018 ).…”

Section: Methodsmentioning

confidence: 99%

“…The city’s zoning is a mix of old and new developments that have created a landscape mosaic of housing, industrial and business infrastructure, rural areas, and natural and managed green spaces (Singh and Downs 2016a , b ). Housing ranges from informal settlements to residential suburbs consisting of properties with no gardens nor vegetation, properties with small gardens and limited vegetation, and properties in high-income suburbs with large garden spaces and various vegetation types.…”

Section: Methodsmentioning

confidence: 99%

Human-wildlife interactions: presence of the ground-nesting Spotted Thick-knee across a South African mosaic urban landscape

Josiah

Downs

2022

Urban Ecosyst

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Urbanisation has increasingly encroached on numerous bird species' natural habitats, generally negatively affecting their persistence. Furthermore, increased human-wildlife interactions may benefit or be detrimental to the long term persistence of these species. The Spotted Thick-knee ( Burhinus capensis ), a ground-nesting species, persists in some mosaic urban landscapes in South Africa. We, therefore, assessed the presence of Spotted Thick-knees and their interactions with humans in the fragmented natural and human-modified landscape of Pietermaritzburg, KwaZulu-Natal. We conducted presence-only surveys at 52 locations between July 2019 and December 2020. ‘Presence’ locations for Spotted Thick-knee were identified via active surveying and public participation. Newspaper articles were distributed in June 2019, requesting information on Spotted Thick-knee sightings. Questionnaires were also sent to respondents to collect qualitative information regarding their perceptions and observations of this species in Pietermaritzburg. We established that the presence of Spotted Thick-knee's at known locations was not random. They were present at 30 out of 52 sites for 75% of this study's duration. Fewer sites had Spotted Thick-knees present during non-breeding months than breeding months. Respondents' feedback highlighted the pressures associated with Spotted Thick-knees persistence in human-modified mosaic landscapes, particularly predation and disturbance by domestic pets. Our study highlights that some ground-nesting birds, such as Spotted Thick-knees, persist in mosaic urban landscapes, despite the anthropogenic pressures. This study highlights the need to address the paucity of studies on ground-nesting birds in mosaic urban landscapes to determine general trends. Supplementary information The online version contains supplementary material available at 10.1007/s11252-022-01254-3.

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“…In natural settings, waterbird roost locations can be influenced by proximity to foraging habitats such as wetlands and grasslands (Pearson et al 1992) and large, tall trees (Blanco 1996;Chevallier et al 2010). However, when human activities dominate landscapes, presence of novel foraging sites such as rubbish dumps, wellwatered gardens and swimming pools, and exotic tree species can be attractive for many bird species and eventually may alter roosting in natural habitats (Blanco 1996;Singh and Downs 2016). There is scarce information to assess whether the locations of roosting sites in exotic structures have similar characteristics to those found in natural structures (Bryan et al 2002;Bowker and Downs 2012).…”

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confidence: 99%

“…Observational and experimental studies on nonwaterbirds have suggested that flock size at roosts can be a function of resource distribution around roost sites (Ward and Zahavi 1973;Chapman et al 1989), and represent individual roost site characteristics (Lambertucci 2013). Studies of waterbird roosting behavior have been conducted either in only natural or only urban settings, and it is not known if roosting ecology varies in different settings for the same species (Pearson et al 1992;Chevallier et al 2010;Singh and Downs 2016). Most studies on roosting ecology of waterbirds consider a small number of variables, and usually focus on a local scale (proximity to foraging habitats and roost tree characteristics).…”

mentioning

confidence: 99%

Roosting Ecology of Black-Headed Ibis (Threskiornis melanocephalus) in Urban and Rural Areas of Southern Rajasthan, India

2019

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Hadeda Ibis (Bostrychia hagedash) urban nesting and roosting sites

Cited by 12 publications

References 30 publications

Urbanization Around an Airfield Alters Bird Community Composition, but not the Hazard of Bird–Aircraft Collision

Urbanization Around an Airfield Alters Bird Community Composition, but not the Hazard of Bird–Aircraft Collision

Human-wildlife interactions: presence of the ground-nesting Spotted Thick-knee across a South African mosaic urban landscape

Roosting Ecology of Black-Headed Ibis (Threskiornis melanocephalus) in Urban and Rural Areas of Southern Rajasthan, India

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