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eBird

eBird is an online database of bird observations providing scientists, researchers and amateur naturalists with real-time data about bird distribution and abundance. Originally restricted to sightings from the Western Hemisphere, the project expanded to include New Zealand in 2008,[1] and again expanded to cover the whole world in June 2010.[2] eBird has been described as an ambitious example of enlisting amateurs to gather data on biodiversity for use in science.[3]

eBird
Type of site
Wildlife database
Available in14 languages (but see Features, below)
Created byCornell Lab of Ornithology
URLebird.org
Launched2002
Current statusActive

eBird is an example of crowdsourcing,[4] and has been hailed as an example of democratizing science, treating citizens as scientists, allowing the public to access and use their own data and the collective data generated by others.[5]

History and purpose edit

Launched in 2002 by the Cornell Lab of Ornithology at Cornell University and the National Audubon Society,[6] eBird gathers basic data on bird abundance and distribution at a variety of spatial and temporal scales. It was mainly inspired by the ÉPOQ database [fr], created by Jacques Larivée in 1975.[7] As of May 12, 2021, there were over one billion bird observations recorded through this global database.[8] In recent years, there have been over 100 million bird observations recorded each year.[9]

eBird's goal is to maximize the utility and accessibility of the vast numbers of bird observations made each year by recreational and professional birders. The observations of each participant join those of others in an international network.[10] Due to the variability in the observations the volunteers make, AI filters observations through collected historical data to improve accuracy.[10] The data are then available via internet queries in a variety of formats.

Use of database information edit

The eBird Database has been used by scientists to determine the connection between bird migrations and monsoon rains in India validating traditional knowledge.[11] It has also been used to notice bird distribution changes due to climate change and help to define migration routes.[12] A study conducted found that eBird lists were accurate at determining population trends and distribution if there were 10,000 checklists for a given area.[13]

Criticism of data edit

eBird participation in urban areas remains spatially biased with information from higher-income neighborhoods being represented much more. This suggests that eBird data should not be considered reliable for planning purposes, or to understand urban ecology of birds.[14] Such biases can be exacerbated due to events such as the COVID-19 outbreak when governmental policy restricted people's movements in many countries, which led to the data becoming greatly biased to urban locations relative to other habitats.[15]

In another study, eBird data provided a different estimate of suitable habitat for the Nilgiri pipit relative to data collected by scientists (combining field observations and literature review).[16] Authors therefore suggest that spatial distribution models based solely on eBird data should be regarded with caution.

eBird data sets have been shown to be biased not only spatially but temporally. While better roads and areas with denser human populations provided most of the data, eBird records also varied temporally with monthly fluctuations of uploads being very wide, and most of the data being provided on weekends.[17] Inferences based on analyses where eBird data is not corrected to account for such large-scale and long-term biases will yield a biased understanding that indicate eBirder behaviors more than bird behaviors.

A study pointing out that citizen-scientists possess different levels of skill and suggesting that analyses should incorporate corrections for observer bias used eBird as an example.[18]

Features edit

eBird documents the presence or absence of species, as well as bird abundance through checklist data. A web interface allows participants to submit their observations or view results via interactive queries of the database. Internet tools maintain personal bird records and enable users to visualize data with interactive maps, graphs, and bar charts. As of 2022, the eBird website is fully available in 14 languages (with different dialect options for three of them) and eBird supports common names for birds in 55 languages with 39 regional versions, for a total of 95 regional sets of common names.[19]

eBird is a free service. Data are stored in a secure facility and archived daily, and are accessible to anyone via the eBird web site and other applications developed by the global biodiversity information community. For example, eBird data are part of the Avian Knowledge Network (AKN), which integrates observational data on bird populations across the western hemisphere and is a data source for the digital ornithological reference Birds of North America. In turn, the AKN feeds eBird data to international biodiversity data systems, such as the Global Biodiversity Information Facility.

Electronic kiosks edit

In addition to accepting records submitted from users' personal computers and mobile devices, eBird has placed electronic kiosks in prime birding locations, including one in the education center at the J. N. "Ding" Darling National Wildlife Refuge on Sanibel Island in Florida.[20]

Integration in cars edit

eBird is a part of Starlink on the 2019 Subaru Ascent. It allows eBird to be integrated into the touch screen of the car.[21]

Extent of information edit

Bird checklists edit

eBird collects information worldwide, but the vast majority of checklists are submitted from North America. The numbers of checklists listed in the table below include only complete checklists, where observers report all of the species that they can identify throughout the duration of the checklist.

Location Number of Bird Checklists Percentage of Total
World 70,938,090[22] 100.00%
Western Hemisphere
Western Hemisphere 60,100,565[23] 84.72%
Central America 1,419,740[24] 2.00%
North America 57,439,418[25] 80.97%
South America 2,375,588[26] 3.35%
West Indies 394,196[27] 0.56%
Eastern Hemisphere
Eastern Hemisphere 10,819,438[28] 15.25%
Africa 491,089[29] 0.69%
Asia 3,776,530[30] 5.32%
Australia and Territories 1,833,318[31] 2.58%
Europe 4,192,928[32] 5.91%
South Polar
South Polar 13,759[33] 0.02%
As of 21 September 2022

Regional portals edit

eBird involves a number of regional portals for different parts of the world, managed by local partners. These portals include the following, separated by region.[34]

United States edit

  • Alaska eBird
  • Arkansas eBird
  • eBird Northwest
  • Mass Audubon eBird
  • Maine eBird
  • eBird Missouri
  • NJ Audubon eBird
  • New Hampshire eBird
  • Minnesota eBird
  • Montana eBird
  • Pennsylvania eBird
  • Texas eBird
  • Virginia eBird
  • Vermont eBird
  • Wisconsin eBird

Canada edit

  • eBird Canada
  • eBird Québec

Caribbean edit

  • eBird Caribbean
  • eBird Puerto Rico

Mexico edit

  • eBird Mexico (aVerAves)

Central America edit

  • eBird Central America

South America edit

  • eBird Argentina
  • eBird Brasil
  • eBird Chile
  • eBird Colombia
  • eBird Paraguay
  • eBird Peru

Europe edit

  • eBird España
  • PortugalAves
  • eKuşbank (eBird Turkey)

Africa edit

  • eBird Rwanda
  • eBird Zambia

Asia edit

  • eBird India
  • eBird Israel
  • eBird Japan
  • eBird Malaysia
  • eBird Singapore
  • eBird Taiwan

Australia and New Zealand edit

  • eBird Australia
  • New Zealand eBird

Notes edit

  1. ^ eBird New Zealand (2008). . Cornell Lab of Ornithology. Archived from the original on September 22, 2010. Retrieved June 5, 2010.
  2. ^ eBird (2010). . Cornell Lab of Ornithology. Archived from the original on June 3, 2010. Retrieved June 5, 2010.
  3. ^ "The Role of Information Science in Gathering Biodiversity and Neuroscience Data" 2009-03-03 at the Wayback Machine, Geoffrey A. Levin and Melissa H. Cragin, ASIST Bulletin, Vol. 30, No. 1, Oct. 2003
  4. ^ Robbins, Jim (August 19, 2013). "Crowdsourcing, for the Birds". The New York Times. ISSN 0362-4331. Retrieved January 18, 2022.
  5. ^ Cooper, Caren; Dickinson, Janis; Phillips, Tina; Bonney, Rick (November 20, 2008). "Science Explicitly for Nonscientists". Ecology and Society. 13 (2). doi:10.5751/ES-02602-1302r01. ISSN 1708-3087.
  6. ^ Sullivan, Brian; Wood, Christopher; Iliff, Marshall; Bonney, Rick. "eBird: A citizen-based bird observation network in the biological sciences". Research Gate. Retrieved July 18, 2020. One such effort is eBird, a program launched by the Cornell Lab of Ornithology (CLO) and the National Audubon Society in 2002, which engages a vast network of human observers (citizen-scientists) to report bird observations using standardized protocols.
  7. ^ "Étude des populations d'oiseaux du Québec". www.oiseauxqc.org. Retrieved January 18, 2022.
  8. ^ eBird, Team. "eBird passes 1 billion bird observations - eBird". ebird.org. Retrieved February 28, 2022.
  9. ^ "About eBird". eBird. Retrieved July 18, 2020.
  10. ^ a b "Saving the Earth with Artificial Intelligence (AI)". Santa Monica Daily Press. June 25, 2018. Retrieved July 18, 2020.
  11. ^ "Meet the Cuckoo That Brings Monsoon Rain Across India, and How Tech Confirmed Its Magical Power". June 20, 2018.
  12. ^ "España encabeza la lista europea en registros de observaciones de aves" (in Spanish). July 19, 2018. Retrieved July 18, 2020.
  13. ^ "Citizen science birding data passes scientific muster". Science Daily. Retrieved July 18, 2020.
  14. ^ Rosner, Hillary (November 21, 2023). "Why Warblers Flock to Wealthier Neighborhoods". The New York Times.
  15. ^ Hochachka, W. M.; Alonso, H.; Gutiérrez-Expósito, C.; Miller, E. & Johnston, A. (2021). "Regional variation in the impacts of the COVID-19 pandemic on the quantity and quality of data collected by the project eBird". Biol. Cons. 254: 108974. Bibcode:2021BCons.25408974H. doi:10.1016/j.biocon.2021.108974. PMC 8486489. PMID 34629475.
  16. ^ Lele, A.; Arasumani, M.; Vishnudas, C. K.; Koparde, Pankaj; Joshi, Viral & Robin, V. V. (2023). "Ecological niche modelling reveals an elevated threat status for the Nilgiri Pipit (Anthus nilghiriensis)". J. Ornith. 2023: https://doi.org/10.1007/s10336-023-02133-0. doi:10.1007/s10336-023-02133-0. S2CID 266613870.
  17. ^ Zhang, G. (2020). "Spatial and Temporal Patterns in Volunteer Data Contribution Activities: A Case Study of eBird". Intl. J. Geo-Information. 9 (10): 597. Bibcode:2020IJGI....9..597Z. doi:10.3390/ijgi9100597.
  18. ^ Kelling, S.; Johnston, S.; Hochachka, W. M.; Iliff, M.; Fink, D.; Gerbracht, J.; Lagoze, C.; LaSorte, F. A.; Moore, T.; Wiggnins, A.; Wong, Weng-Keen; Wood, C. & Yu, J (2015). "Can Observation Skills of Citizen Scientists Be Estimated Using Species Accumulation Curves?". PLOS ONE. 10 (10): e0139600. Bibcode:2015PLoSO..1039600K. doi:10.1371/journal.pone.0139600. PMID 26451728.
  19. ^ "Bird Names in eBird". Help Center. Retrieved October 26, 2022.
  20. ^ "eBirding, citizen science topic of 'Ding' presentation". capecoralbreeze.com. Retrieved January 18, 2022.
  21. ^ "Four Stand-Out Tech Features of the 2019 Subaru Ascent Limited". Forbes.
  22. ^ World ebird.org
  23. ^ "Western Hemisphere - eBird". ebird.org. Retrieved January 18, 2022.
  24. ^ "Central America - eBird". ebird.org. Retrieved January 18, 2022.
  25. ^ "North America - eBird". ebird.org. Retrieved January 18, 2022.
  26. ^ "South America - eBird". ebird.org. Retrieved January 18, 2022.
  27. ^ "West Indies - eBird". ebird.org. Retrieved January 18, 2022.
  28. ^ "Eastern Hemisphere - eBird". Retrieved January 18, 2022.
  29. ^ "Africa - eBird". ebird.org. Retrieved January 18, 2022.
  30. ^ "Asia - eBird". ebird.org. Retrieved January 18, 2022.
  31. ^ "Australia and Territories - eBird". ebird.org. Retrieved January 18, 2022.
  32. ^ "Europe - eBird". ebird.org. Retrieved January 18, 2022.
  33. ^ "South Polar - eBird". Retrieved January 18, 2022.
  34. ^ "Regional portals & collaborators - eBird". ebird.org. Retrieved September 25, 2022.

References edit

  • Chris Wood; Brian Sullivan; Marshall Iliff; Daniel Fink; Steve Kelling (2011), "eBird: Engaging Birders in Science and Conservation", PLOS Biology, 9 (12): e1001220, doi:10.1371/journal.pbio.1001220, PMC 3243722, PMID 22205876
  • Dickinson, Janis L.; Zuckerberg, Benjamin; Bonter, David N. (2010), "Citizen Science as an Ecological Research Tool: Challenges and Benefits", Annual Review of Ecology, Evolution, and Systematics, 41: 149–172, doi:10.1146/annurev-ecolsys-102209-144636, S2CID 59402300
  • Horns, Joshua J.; Adler, Frederick R.; Şekercioğlu, Çağan H. (2018), "Using opportunistic citizen science data to estimate avian population trends.", Biological Conservation, 221: 151–159, Bibcode:2018BCons.221..151H, doi:10.1016/j.biocon.2018.02.027
  • Wiggins, Andrea (2011), "EBirding: Technology adoption and the transformation of leisure into science", Proceedings of the 2011 iConference, pp. 798–799, doi:10.1145/1940761.1940910, ISBN 9781450301213, S2CID 19598222
  • Yudhijit Bhattacharjee (June 3, 2005), "Citizen Scientists Supplement Work of Cornell Researchers", Science, 308 (5727): 1402–1403, doi:10.1126/science.308.5727.1402, PMID 15933178, S2CID 153447103

External links edit

  • eBird website
  • List of publications using eBird data

ebird, online, database, bird, observations, providing, scientists, researchers, amateur, naturalists, with, real, time, data, about, bird, distribution, abundance, originally, restricted, sightings, from, western, hemisphere, project, expanded, include, zeala. eBird is an online database of bird observations providing scientists researchers and amateur naturalists with real time data about bird distribution and abundance Originally restricted to sightings from the Western Hemisphere the project expanded to include New Zealand in 2008 1 and again expanded to cover the whole world in June 2010 2 eBird has been described as an ambitious example of enlisting amateurs to gather data on biodiversity for use in science 3 eBirdType of siteWildlife databaseAvailable in14 languages but see Features below Created byCornell Lab of OrnithologyURLebird wbr orgLaunched2002Current statusActiveeBird is an example of crowdsourcing 4 and has been hailed as an example of democratizing science treating citizens as scientists allowing the public to access and use their own data and the collective data generated by others 5 Contents 1 History and purpose 1 1 Use of database information 2 Criticism of data 3 Features 3 1 Electronic kiosks 3 2 Integration in cars 4 Extent of information 4 1 Bird checklists 4 2 Regional portals 4 2 1 United States 4 2 2 Canada 4 2 3 Caribbean 4 2 4 Mexico 4 2 5 Central America 4 2 6 South America 4 2 7 Europe 4 2 8 Africa 4 2 9 Asia 4 2 10 Australia and New Zealand 5 Notes 6 References 7 External linksHistory and purpose editLaunched in 2002 by the Cornell Lab of Ornithology at Cornell University and the National Audubon Society 6 eBird gathers basic data on bird abundance and distribution at a variety of spatial and temporal scales It was mainly inspired by the EPOQ database fr created by Jacques Larivee in 1975 7 As of May 12 2021 there were over one billion bird observations recorded through this global database 8 In recent years there have been over 100 million bird observations recorded each year 9 eBird s goal is to maximize the utility and accessibility of the vast numbers of bird observations made each year by recreational and professional birders The observations of each participant join those of others in an international network 10 Due to the variability in the observations the volunteers make AI filters observations through collected historical data to improve accuracy 10 The data are then available via internet queries in a variety of formats Use of database information edit The eBird Database has been used by scientists to determine the connection between bird migrations and monsoon rains in India validating traditional knowledge 11 It has also been used to notice bird distribution changes due to climate change and help to define migration routes 12 A study conducted found that eBird lists were accurate at determining population trends and distribution if there were 10 000 checklists for a given area 13 Criticism of data editeBird participation in urban areas remains spatially biased with information from higher income neighborhoods being represented much more This suggests that eBird data should not be considered reliable for planning purposes or to understand urban ecology of birds 14 Such biases can be exacerbated due to events such as the COVID 19 outbreak when governmental policy restricted people s movements in many countries which led to the data becoming greatly biased to urban locations relative to other habitats 15 In another study eBird data provided a different estimate of suitable habitat for the Nilgiri pipit relative to data collected by scientists combining field observations and literature review 16 Authors therefore suggest that spatial distribution models based solely on eBird data should be regarded with caution eBird data sets have been shown to be biased not only spatially but temporally While better roads and areas with denser human populations provided most of the data eBird records also varied temporally with monthly fluctuations of uploads being very wide and most of the data being provided on weekends 17 Inferences based on analyses where eBird data is not corrected to account for such large scale and long term biases will yield a biased understanding that indicate eBirder behaviors more than bird behaviors A study pointing out that citizen scientists possess different levels of skill and suggesting that analyses should incorporate corrections for observer bias used eBird as an example 18 Features editeBird documents the presence or absence of species as well as bird abundance through checklist data A web interface allows participants to submit their observations or view results via interactive queries of the database Internet tools maintain personal bird records and enable users to visualize data with interactive maps graphs and bar charts As of 2022 the eBird website is fully available in 14 languages with different dialect options for three of them and eBird supports common names for birds in 55 languages with 39 regional versions for a total of 95 regional sets of common names 19 eBird is a free service Data are stored in a secure facility and archived daily and are accessible to anyone via the eBird web site and other applications developed by the global biodiversity information community For example eBird data are part of the Avian Knowledge Network AKN which integrates observational data on bird populations across the western hemisphere and is a data source for the digital ornithological reference Birds of North America In turn the AKN feeds eBird data to international biodiversity data systems such as the Global Biodiversity Information Facility Electronic kiosks edit In addition to accepting records submitted from users personal computers and mobile devices eBird has placed electronic kiosks in prime birding locations including one in the education center at the J N Ding Darling National Wildlife Refuge on Sanibel Island in Florida 20 Integration in cars edit eBird is a part of Starlink on the 2019 Subaru Ascent It allows eBird to be integrated into the touch screen of the car 21 Extent of information editBird checklists edit eBird collects information worldwide but the vast majority of checklists are submitted from North America The numbers of checklists listed in the table below include only complete checklists where observers report all of the species that they can identify throughout the duration of the checklist Location Number of Bird Checklists Percentage of TotalWorld 70 938 090 22 100 00 Western HemisphereWestern Hemisphere 60 100 565 23 84 72 Central America 1 419 740 24 2 00 North America 57 439 418 25 80 97 South America 2 375 588 26 3 35 West Indies 394 196 27 0 56 Eastern HemisphereEastern Hemisphere 10 819 438 28 15 25 Africa 491 089 29 0 69 Asia 3 776 530 30 5 32 Australia and Territories 1 833 318 31 2 58 Europe 4 192 928 32 5 91 South PolarSouth Polar 13 759 33 0 02 As of 21 September 2022 update Regional portals edit eBird involves a number of regional portals for different parts of the world managed by local partners These portals include the following separated by region 34 United States edit Alaska eBird Arkansas eBird eBird Northwest Mass Audubon eBird Maine eBird eBird Missouri NJ Audubon eBird New Hampshire eBird Minnesota eBird Montana eBird Pennsylvania eBird Texas eBird Virginia eBird Vermont eBird Wisconsin eBirdCanada edit eBird Canada eBird QuebecCaribbean edit eBird Caribbean eBird Puerto RicoMexico edit eBird Mexico aVerAves Central America edit eBird Central AmericaSouth America edit eBird Argentina eBird Brasil eBird Chile eBird Colombia eBird Paraguay eBird PeruEurope edit eBird Espana PortugalAves eKusbank eBird Turkey Africa edit eBird Rwanda eBird ZambiaAsia edit eBird India eBird Israel eBird Japan eBird Malaysia eBird Singapore eBird TaiwanAustralia and New Zealand edit eBird Australia New Zealand eBirdNotes edit eBird New Zealand 2008 About eBird Cornell Lab of Ornithology Archived from the original on September 22 2010 Retrieved June 5 2010 eBird 2010 Global eBird almost there 3 June update Cornell Lab of Ornithology Archived from the original on June 3 2010 Retrieved June 5 2010 The Role of Information Science in Gathering Biodiversity and Neuroscience Data Archived 2009 03 03 at the Wayback Machine Geoffrey A Levin and Melissa H Cragin ASIST Bulletin Vol 30 No 1 Oct 2003 Robbins Jim August 19 2013 Crowdsourcing for the Birds The New York Times ISSN 0362 4331 Retrieved January 18 2022 Cooper Caren Dickinson Janis Phillips Tina Bonney Rick November 20 2008 Science Explicitly for Nonscientists Ecology and Society 13 2 doi 10 5751 ES 02602 1302r01 ISSN 1708 3087 Sullivan Brian Wood Christopher Iliff Marshall Bonney Rick eBird A citizen based bird observation network in the biological sciences Research Gate Retrieved July 18 2020 One such effort is eBird a program launched by the Cornell Lab of Ornithology CLO and the National Audubon Society in 2002 which engages a vast network of human observers citizen scientists to report bird observations using standardized protocols Etude des populations d oiseaux du Quebec www oiseauxqc org Retrieved January 18 2022 eBird Team eBird passes 1 billion bird observations eBird ebird org Retrieved February 28 2022 About eBird eBird Retrieved July 18 2020 a b Saving the Earth with Artificial Intelligence AI Santa Monica Daily Press June 25 2018 Retrieved July 18 2020 Meet the Cuckoo That Brings Monsoon Rain Across India and How Tech Confirmed Its Magical Power June 20 2018 Espana encabeza la lista europea en registros de observaciones de aves in Spanish July 19 2018 Retrieved July 18 2020 Citizen science birding data passes scientific muster Science Daily Retrieved July 18 2020 Rosner Hillary November 21 2023 Why Warblers Flock to Wealthier Neighborhoods The New York Times Hochachka W M Alonso H Gutierrez Exposito C Miller E amp Johnston A 2021 Regional variation in the impacts of the COVID 19 pandemic on the quantity and quality of data collected by the project eBird Biol Cons 254 108974 Bibcode 2021BCons 25408974H doi 10 1016 j biocon 2021 108974 PMC 8486489 PMID 34629475 Lele A Arasumani M Vishnudas C K Koparde Pankaj Joshi Viral amp Robin V V 2023 Ecological niche modelling reveals an elevated threat status for the Nilgiri Pipit Anthus nilghiriensis J Ornith 2023 https doi org 10 1007 s10336 023 02133 0 doi 10 1007 s10336 023 02133 0 S2CID 266613870 Zhang G 2020 Spatial and Temporal Patterns in Volunteer Data Contribution Activities A Case Study of eBird Intl J Geo Information 9 10 597 Bibcode 2020IJGI 9 597Z doi 10 3390 ijgi9100597 Kelling S Johnston S Hochachka W M Iliff M Fink D Gerbracht J Lagoze C LaSorte F A Moore T Wiggnins A Wong Weng Keen Wood C amp Yu J 2015 Can Observation Skills of Citizen Scientists Be Estimated Using Species Accumulation Curves PLOS ONE 10 10 e0139600 Bibcode 2015PLoSO 1039600K doi 10 1371 journal pone 0139600 PMID 26451728 Bird Names in eBird Help Center Retrieved October 26 2022 eBirding citizen science topic of Ding presentation capecoralbreeze com Retrieved January 18 2022 Four Stand Out Tech Features of the 2019 Subaru Ascent Limited Forbes World ebird org Western Hemisphere eBird ebird org Retrieved January 18 2022 Central America eBird ebird org Retrieved January 18 2022 North America eBird ebird org Retrieved January 18 2022 South America eBird ebird org Retrieved January 18 2022 West Indies eBird ebird org Retrieved January 18 2022 Eastern Hemisphere eBird Retrieved January 18 2022 Africa eBird ebird org Retrieved January 18 2022 Asia eBird ebird org Retrieved January 18 2022 Australia and Territories eBird ebird org Retrieved January 18 2022 Europe eBird ebird org Retrieved January 18 2022 South Polar eBird Retrieved January 18 2022 Regional portals amp collaborators eBird ebird org Retrieved September 25 2022 References editChris Wood Brian Sullivan Marshall Iliff Daniel Fink Steve Kelling 2011 eBird Engaging Birders in Science and Conservation PLOS Biology 9 12 e1001220 doi 10 1371 journal pbio 1001220 PMC 3243722 PMID 22205876 Dickinson Janis L Zuckerberg Benjamin Bonter David N 2010 Citizen Science as an Ecological Research Tool Challenges and Benefits Annual Review of Ecology Evolution and Systematics 41 149 172 doi 10 1146 annurev ecolsys 102209 144636 S2CID 59402300Horns Joshua J Adler Frederick R Sekercioglu Cagan H 2018 Using opportunistic citizen science data to estimate avian population trends Biological Conservation 221 151 159 Bibcode 2018BCons 221 151H doi 10 1016 j biocon 2018 02 027Wiggins Andrea 2011 EBirding Technology adoption and the transformation of leisure into science Proceedings of the 2011 iConference pp 798 799 doi 10 1145 1940761 1940910 ISBN 9781450301213 S2CID 19598222Yudhijit Bhattacharjee June 3 2005 Citizen Scientists Supplement Work of Cornell Researchers Science 308 5727 1402 1403 doi 10 1126 science 308 5727 1402 PMID 15933178 S2CID 153447103External links edit nbsp Wikidata has the property nbsp eBird taxon ID P3444 see uses eBird website List of publications using eBird data Retrieved from https en wikipedia org w index php title EBird amp oldid 1202280184, wikipedia, wiki, book, books, library,

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