{"id":"https://openalex.org/W1507221908","doi":null,"title":"Do migratory birds need a nap after a long non-stop flight?","display_name":"Do migratory birds need a nap after a long non-stop flight?","publication_year":2002,"publication_date":"2002-01-01","ids":{"openalex":"https://openalex.org/W1507221908","mag":"1507221908"},"language":"en","primary_location":{"id":"pmh:oai:pure.rug.nl:openaire/156bf4de-7622-4275-a48d-dce9b795de16","doi":null,"is_oa":true,"landing_page_url":"https://research.rug.nl/en/publications/156bf4de-7622-4275-a48d-dce9b795de16","pdf_url":null,"source":{"id":"https://openalex.org/S4306400420","display_name":"University of Groningen research database (University of Groningen / Centre for Information Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I169381384","host_organization_name":"University of Groningen","host_organization_lineage":["https://openalex.org/I169381384"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Schwilch, R, Piersma, T, Holmgren, N M A & Jenni, L 2002, 'Do migratory birds need a nap after a long non-stop flight?', Ardea, vol. 90, no. 1, pp. 149-154.","raw_type":"info:eu-repo/semantics/article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://research.rug.nl/en/publications/156bf4de-7622-4275-a48d-dce9b795de16","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5013214839","display_name":"Regine Schwilch","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Regine Schwilch","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033978446","display_name":"Theunis Piersma","orcid":"https://orcid.org/0000-0001-9668-466X","observed_orcids":["https://orcid.org/0000-0001-9668-466X"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Theunis Piersma","raw_affiliation_strings":["Piersma group"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Piersma group","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052340698","display_name":"No\u00e9l Holmgren","orcid":"https://orcid.org/0000-0003-3000-8786","observed_orcids":["https://orcid.org/0000-0003-3000-8786"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"No\u00e9l Holmgren","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-3000-8786","affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5006531737","display_name":"Lukas Jenni","orcid":"https://orcid.org/0000-0003-4198-3501","observed_orcids":["https://orcid.org/0000-0003-4198-3501"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lukas Jenni","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-4198-3501","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.9782,"has_fulltext":false,"cited_by_count":50,"citation_normalized_percentile":{"value":0.83914456,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"90","issue":"1","first_page":"149","last_page":"154"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10089","display_name":"Avian ecology and behavior","score":0.6518999934196472,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10089","display_name":"Avian ecology and behavior","score":0.6518999934196472,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10985","display_name":"Sleep and Wakefulness Research","score":0.20350000262260437,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11373","display_name":"Sleep and Work-Related Fatigue","score":0.08150000125169754,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/migratory-birds","display_name":"migratory birds","score":0.8899999856948853},{"id":"https://openalex.org/keywords/sleep-deprivation","display_name":"sleep deprivation","score":0.6800000071525574},{"id":"https://openalex.org/keywords/nonstop-flights","display_name":"nonstop flights","score":0.7929999828338623},{"id":"https://openalex.org/keywords/sleep-need","display_name":"sleep need","score":0.4950000047683716},{"id":"https://openalex.org/keywords/night-migration","display_name":"night migration","score":0.6800000071525574},{"id":"https://openalex.org/keywords/flight-time","display_name":"flight time","score":0.8659999966621399},{"id":"https://openalex.org/keywords/avian-sleep","display_name":"avian sleep","score":0.4359999895095825}],"concepts":[{"id":"https://openalex.org/C107513589","wikidata":"https://www.wikidata.org/wiki/Q5242962","display_name":"Nap","level":2,"score":0.8684442043304443},{"id":"https://openalex.org/C2775841894","wikidata":"https://www.wikidata.org/wiki/Q4683692","display_name":"Sleep (system call)","level":2,"score":0.7854313850402832},{"id":"https://openalex.org/C2778329153","wikidata":"https://www.wikidata.org/wiki/Q1364801","display_name":"Sleep deprivation","level":3,"score":0.7616164088249207},{"id":"https://openalex.org/C2781249084","wikidata":"https://www.wikidata.org/wiki/Q908656","display_name":"Preference","level":2,"score":0.5948834419250488},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.5238078832626343},{"id":"https://openalex.org/C121446783","wikidata":"https://www.wikidata.org/wiki/Q208353","display_name":"Circadian rhythm","level":2,"score":0.267680287361145},{"id":"https://openalex.org/C169760540","wikidata":"https://www.wikidata.org/wiki/Q207011","display_name":"Neuroscience","level":1,"score":0.17322170734405518},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.05004662275314331},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C175444787","wikidata":"https://www.wikidata.org/wiki/Q39072","display_name":"Microeconomics","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"pmh:oai:pure.rug.nl:openaire/156bf4de-7622-4275-a48d-dce9b795de16","doi":null,"is_oa":true,"landing_page_url":"https://research.rug.nl/en/publications/156bf4de-7622-4275-a48d-dce9b795de16","pdf_url":null,"source":{"id":"https://openalex.org/S4306400420","display_name":"University of Groningen research database (University of Groningen / Centre for Information Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I169381384","host_organization_name":"University of Groningen","host_organization_lineage":["https://openalex.org/I169381384"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Schwilch, R, Piersma, T, Holmgren, N M A & Jenni, L 2002, 'Do migratory birds need a nap after a long non-stop flight?', Ardea, vol. 90, no. 1, pp. 149-154.","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:rug:oai:pure.rug.nl:publications/156bf4de-7622-4275-a48d-dce9b795de16","doi":null,"is_oa":true,"landing_page_url":"https://research.rug.nl/en/publications/156bf4de-7622-4275-a48d-dce9b795de16","pdf_url":null,"source":{"id":"https://openalex.org/S4306400420","display_name":"University of Groningen research database (University of Groningen / Centre for Information Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I169381384","host_organization_name":"University of Groningen","host_organization_lineage":["https://openalex.org/I169381384"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Ardea, 90(1), 149 - 154. Nederlandse Ornithologische Unie","raw_type":"info:eu-repo/semantics/article"},{"id":"mag:1507221908","doi":null,"is_oa":false,"landing_page_url":"https://pure.rug.nl/ws/files/3067222/2002ArdeaSchwilch.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S197671267","display_name":"Ardea","issn_l":"0373-2266","issn":["0373-2266","2213-1175"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-1","norway-1","poland-40","russia-white-list-2"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Ardea","raw_type":null}],"best_oa_location":{"id":"pmh:oai:pure.rug.nl:openaire/156bf4de-7622-4275-a48d-dce9b795de16","doi":null,"is_oa":true,"landing_page_url":"https://research.rug.nl/en/publications/156bf4de-7622-4275-a48d-dce9b795de16","pdf_url":null,"source":{"id":"https://openalex.org/S4306400420","display_name":"University of Groningen research database (University of Groningen / Centre for Information Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I169381384","host_organization_name":"University of Groningen","host_organization_lineage":["https://openalex.org/I169381384"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Schwilch, R, Piersma, T, Holmgren, N M A & Jenni, L 2002, 'Do migratory birds need a nap after a long non-stop flight?', Ardea, vol. 90, no. 1, pp. 149-154.","raw_type":"info:eu-repo/semantics/article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2529132421","https://openalex.org/W1996713051","https://openalex.org/W1984818048","https://openalex.org/W2080958497","https://openalex.org/W2112799339","https://openalex.org/W2516257669","https://openalex.org/W259080661","https://openalex.org/W3094911218","https://openalex.org/W2152244906","https://openalex.org/W6910892309"],"abstract_inverted_index":{"After":[0],"a":[1,67],"prolonged":[2],"period":[3],"of":[4,21,41,119],"sleep":[5,10,22,26,53,77,89,109],"deprivation,":[6],"the":[7,19,50,74,86,99,106,112,116],"urge":[8,75],"to":[9,45,76],"overrules":[11],"all":[12],"other":[13,82],"activities.":[14,83],"Despite":[15],"this":[16,42],"well-known":[17],"fact,":[18],"occurrence":[20],"after":[23,64,101],"naturally":[24],"occurring":[25],"deprivation":[27],"during":[28,111],"long":[29,68,102],"non-stop":[30,69,120],"migratory":[31],"flight":[32,70],"in":[33,54,122],"birds":[34,62],"has":[35],"hardly":[36],"been":[37],"investigated.":[38],"The":[39],"aim":[40],"communication":[43],"is":[44],"stimulate":[46],"quantitative":[47],"studies":[48],"on":[49,61],"requirement":[51],"for":[52,108],"migrating":[55],"birds.":[56],"We":[57,84],"present":[58],"some":[59],"observations":[60],"just":[63],"landing":[65],"from":[66],"which":[71],"indicate":[72],"that":[73],"may":[78],"take":[79],"preference":[80],"over":[81],"ask":[85],"question":[87],"whether":[88,105],"deficits":[90],"should":[91],"be":[92],"considered":[93],"as":[94],"an":[95],"important":[96],"factor":[97],"shaping":[98],"behaviour":[100],"flights":[103,121],"and":[104],"need":[107],"compensation":[110],"day":[113],"might":[114],"shape":[115],"preferred":[117],"duration":[118],"night":[123],"migrants.":[124]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
