Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Difference in plasticity of resting metabolic rate - the proximate explanation to different niche breadth in sympatric Ficedula flycatchers
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecology and Genetics, Animal ecology. Univ Edinburgh, Inst Evolutionary Biol, Edinburgh, Midlothian, Scotland.ORCID iD: 0000-0002-0706-458x
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecology and Genetics, Animal ecology.ORCID iD: 0000-0003-2861-9721
Univ Helsinki, Finnish Museum Nat Hist, Zool Unit, Helsinki, Finland; Univ Turku, Dept Biol, Sect Ecol, Turku, Finland.
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecology and Genetics, Animal ecology.ORCID iD: 0000-0002-1178-4053
2018 (English)In: Ecology and Evolution, ISSN 2045-7758, E-ISSN 2045-7758, Vol. 8, no 9, p. 4575-4586Article in journal (Refereed) Published
Abstract [en]

Variation in relative fitness of competing recently formed species across heterogeneous environments promotes coexistence. However, the physiological traits mediating such variation in relative fitness have rarely been identified. Resting metabolic rate (RMR) is tightly associated with life history strategies, thermoregulation, diet use, and inhabited latitude and could therefore moderate differences in fitness responses to fluctuations in local environments, particularly when species have adapted to different climates in allopatry. We work in a long‐term study of collared (Ficedula albicollis) and pied flycatchers (Ficedula hypoleuca) in a recent hybrid zone located on the Swedish island of Öland in the Baltic Sea. Here, we explore whether differences in RMR match changes in relative performance of growing flycatcher nestlings across environmental conditions using an experimental approach. The fitness of pied flycatchers has previously been shown to be less sensitive to the mismatch between the peak in food abundance and nestling growth among late breeders. Here, we find that pied flycatcher nestlings have lower RMR in response to higher ambient temperatures (associated with low food availability). We also find that experimentally relaxed nestling competition is associated with an increased RMR in this species. In contrast, collared flycatcher nestlings did not vary their RMR in response to these environmental factors. Our results suggest that a more flexible nestling RMR in pied flycatchers is responsible for the better adaptation of pied flycatchers to the typical seasonal changes in food availability experienced in this hybrid zone. Generally, subtle physiological differences that have evolved when species were in allopatry may play an important role to patterns of competition, coexistence, or displacements between closely related species in secondary contact.

Place, publisher, year, edition, pages
2018. Vol. 8, no 9, p. 4575-4586
Keywords [en]
cross-fostering, Ficedula flycatchers, plasticity, resting metabolic rate
National Category
Zoology
Identifiers
URN: urn:nbn:se:uu:diva-356511DOI: 10.1002/ece3.3987ISI: 000431987300020PubMedID: 29760898OAI: oai:DiVA.org:uu-356511DiVA, id: diva2:1237898
Funder
Swedish Research Council, 621-2012-3722Available from: 2018-08-10 Created: 2018-08-10 Last updated: 2018-08-10Bibliographically approved

Open Access in DiVA

fulltext(605 kB)2 downloads
File information
File name FULLTEXT01.pdfFile size 605 kBChecksum SHA-512
b5d91ad83c5f628b877cd6f78c7b4ec1ed5ccca0b4019cd81145971ec1d708ee70a2fdc7766223d7f7c8b62e0b43a26d359f3a0d611649b00c4a31576d9b50cd
Type fulltextMimetype application/pdf

Other links

Publisher's full textPubMed

Search in DiVA

By author/editor
McFarlane, S. ErynÅlund, MurielleQvarnström, Anna
By organisation
Animal ecology
In the same journal
Ecology and Evolution
Zoology

Search outside of DiVA

GoogleGoogle Scholar
Total: 2 downloads
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

doi
pubmed
urn-nbn

Altmetric score

doi
pubmed
urn-nbn
Total: 2 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf