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113 results for “urban birds”
Mistletoe-bearing trees positively influence bird foraging patterns across urban and natural environments
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Continent-wide effects of urbanization on bird and mammal genetic diversity
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Building façade-level correlates of bird-window collisions in a small urban area
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Data from: Evaluating the potential for bird-habitat models to support biodiversity-friendly urban planning
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Data from: Multiple constraints on urban bird communication: both abiotic and biotic noise shape songs in cities
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Data from: Commonness and ecology, but not bigger brains, predict urban living in birds
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Data from: Does urbanization cause stress in wild birds during development? insights from feather corticosterone levels in juvenile house sparrows (Passer domesticus)
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Taxonomic and functional homogenization of farmland birds along an urbanization gradient in a tropical megacity
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Data from: The traits that predict the magnitude and spatial scale of forest bird responses to urbanization intensity
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Data from: Species interactions limit the occurrence of urban-adapted birds in cities
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Data from: Local and landscape metrics identify opportunities for conserving cavity-nesting birds in a rapidly urbanizing ecoregion
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The ecological legacy effects of redlining on urban landscapes and bird communities in Durham, North Carolina
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Strolling through a century: replicating historical bird surveys to explore 100 years of change in an urban bird community
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Ecological and social Interactions in urban parks: bird surveys in local parks in the central Arizona-Phoenix metropolitan area
Our central objective is to use small, neighborhood parks in Phoenix to study: (1) the ways in which ecological processes are influenced by human values, use, and management; and (2) the ways in which human attitudes and activities, and the services valued by humans, are influenced by ecological characteristics and processes. Elucidating this coupling in Phoenix parks will itself be a significant step towards understanding the complexities of human-nature interactions. The information gathered in addressing the central objective, though, can and should be used to assess potential trajectories for ecological processes. Our second objective is to develop trajectories for potential changes in ecosystem services in the Phoenix metropolitan area, given economic and demographic trends, and given the signal of human-nature interactions among different social groups.
Urbanization mediates the effects of water quality and climate on a model aerial insectivorous bird
<p>Aerial insectivorous birds have experienced alarming population declines in eastern North America. Meanwhile, urbanization continues to increase rapidly, with urban land use comprising 69.4 million acres, or 3.6% of total land area, in the contiguous United States. Multiple environmental changes are associated with urbanization, including alterations to local climate, changes in habitat structure, and potential shifts in both terrestrial and emergent aquatic flying insects on which aerial insectivorous birds rely. Here, we investigated the linkages between urbanization, water quality, and Tree Swallow (<i>Tachycineta bicolor</i>) reproductive success and body condition at seven river-riparian sites representing urban and protected land use in Columbus, Ohio over five consecutive years (2014-2018). Tree Swallows at urban and protected sites relied on emergent aquatic insects for 37.4 and 30.8% (SD = 28.4 and 24.1%) of their nutritional subsidies, respectively. Despite the loss of environmental quality generally attributed to cities, Tree Swallows exhibited greater reproductive success in urban settings where climate was more amenable to egg and nestling survival, and the breeding season was longer. Urban-nesting Tree Swallows initiated laying 7.9 days earlier and fledged 35% more young per nest than those at protected sites. Multiple characteristics of urban sites appeared to drive these patterns, including differences in mean and extreme air temperatures and measures of water quality (e.g., water temperature, nutrient concentrations, turbidity). However, chronic effects of elevated Hg concentrations – which were 482% greater in adult swallow blood at urban sites than at protected sites where swallows exhibited a 17.4% lower trophic position – may disadvantage individuals in other ways. Further, although Tree Swallows are a good model aerial insectivore bird species, characteristics of urban landscapes that benefit Tree Swallows may not advantage other aerial insectivorous birds owing to differences in life-history and foraging strategies. These findings implicate urbanization, local climate, and water quality as important considerations in the conservation of aerial insectivorous birds.</p>
Urban specialization reduces habitat connectivity by a highly mobile wading bird
<p>Background</p> <p>Mobile animals transport nutrients and propagules across habitats, and are crucial for the functioning of food webs and for ecosystem services. Human activities such as urbanization can alter animal movement behavior, including site fidelity and resource use. Because many urban areas are adjacent to natural sites, mobile animals might connect natural and urban habitats. More generally, understanding animal movement patterns in urban areas can help predict how urban expansion will affect the roles of highly mobile animals in ecological processes.</p> <p>Methods</p> <p>Here, we examined movements by a seasonally nomadic wading bird, the American white ibis (Eudocimus albus), in South Florida, USA. White ibis are colonial wading birds that forage on aquatic prey; in recent years, some ibis have shifted their behavior to forage in urban parks, where they are fed by people. We used a spatial network approach to investigate how individual movement patterns influence connectivity between urban and non-urban sites. We built a network of habitat connectivity using GPS tracking data from ibis during their non-breeding season and compared this network to simulated networks that assumed individuals moved indiscriminately with respect to habitat type.</p> <p>Results</p> <p>We found that the observed network was less connected than the simulated networks, that urban-urban and natural-natural connections were strong, and that individuals using urban sites had the least-variable habitat use. Importantly, the few ibis that used both urban and natural habitats contributed the most to connectivity.</p> <p>Conclusions</p> <p>Habitat specialization in urban-acclimated wildlife could reduce the exchange of propagules and nutrients between urban and natural areas, which has consequences both for beneficial effects of connectivity such as gene flow and for detrimental effects such as the spread of contaminants or pathogens.</p>
Supplementary material 2 from: Lessi BF, Geneletti D, Cortinovis C, Dias MM, Reis MG (2024) Bird richness and Ecosystems Services across an urban to natural gradient in south-eastern Brazil: implications for landscape planning and future scenarios. One Ecosystem 9: e114955. https://doi.org/10.3897/oneeco.9.e114955
Supplementary material 2
Supplementary material 3 from: Lessi BF, Geneletti D, Cortinovis C, Dias MM, Reis MG (2024) Bird richness and Ecosystems Services across an urban to natural gradient in south-eastern Brazil: implications for landscape planning and future scenarios. One Ecosystem 9: e114955. https://doi.org/10.3897/oneeco.9.e114955
Supplementary material 3
Supplementary material 1 from: Lessi BF, Geneletti D, Cortinovis C, Dias MM, Reis MG (2024) Bird richness and Ecosystems Services across an urban to natural gradient in south-eastern Brazil: implications for landscape planning and future scenarios. One Ecosystem 9: e114955. https://doi.org/10.3897/oneeco.9.e114955
Supplementary material 1
Urbanization buffers seasonal change in composition of bird communities: a multi-continental meta-analysis
<p>Aim: Urbanization buffers the seasonality of climate conditions and food availability and, therefore, may cause a seasonal homogenization of animal communities. However, the global effect of urbanization on the seasonal dynamics of animal communities remains unexplored. Our aim was to study the multi-continental relationship between urbanization and the seasonal change in bird composition and explore the influence of climatic factors on the urban-induced reduction of seasonality of bird composition.<br> <br> Location: Multi-continental<br> <br> Methods: We performed a literature review and a meta-analysis. The risk ratio effect size (here referred to as urban seasonality index, USI) was used, considering the number of species seen either in the breeding (spring and/or summer) or the non-breeding (autumn and/or winter) season, and the number of species seen during both seasons between urban and less urbanized sites. Low USI values indicated a decrease in the seasonal change in bird composition in urban areas.<br> <br> Results: A total of 38 USIs were obtained from 34 cities of six continents. Multi-continentally, there are fewer differences in bird composition between seasons in urban than in less urbanized areas, indicating seasonal homogenization due to urbanization. The USI decreased in areas with the lowest maximum temperature and the highest latitude, suggesting the highest decrease in the seasonality of bird composition in urban areas located in regions near the poles and with high seasonal change in temperature. Moreover, studies in the Northern Hemisphere and those that compared suburban versus natural and urban versus rural habitats had a significant decrease of seasonality of bird community in urban areas. <br> <br> Main conclusions: Urbanization induces a seasonal homogenization of bird composition, and this impact seems more pronounced in temperate areas with broad annual temperature range, and located in the Northern Hemisphere. Results indicate that efforts to restore seasonal dynamics in habitats and resources should be made in urban areas of temperate regions.</p>
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.