期刊
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
卷 288, 期 1961, 页码 -出版社
ROYAL SOC
DOI: 10.1098/rspb.2021.1137
关键词
avian brood parasites; co-evolutionary arms race; embryonic development; muscle development
资金
- London NERC DTP Studentship
- Leverhulme Trust [RPG-2018-332]
- Czech science foundation (GR CR) [S 17-12262S]
- BBSRC David Phillips Fellowship [BB/J014109/1]
- DST-NRF Centre of Excellence at the FitzPatrick Institute, University of Cape Town
- USA National Science Foundation
- Wissenschaftskolleg zu Berlin
- Max-Planck-Gesellschaft
- Ministry of Education and Vocational Training (MoEVT) Tanzania
- German Academic Exchange Service (DAAD)
- International Max Planck Research School (IMPRS) for Organismal Biology
- BBSRC [BB/J014109/1] Funding Source: UKRI
The study found that brood parasites exhibited significantly increased embryo movement during incubation, which may facilitate the development of a stronger musculoskeletal system required for their demanding tasks.
Movement of the embryo is essential for musculoskeletal development in vertebrates, yet little is known about whether, and why, species vary. Avian brood parasites exhibit feats of strength in early life as adaptations to exploit the hosts that rear them. We hypothesized that an increase in embryonic movement could allow brood parasites to develop the required musculature for these demands. We measured embryo movement across incubation for multiple brood-parasitic and non-parasitic bird species. Using a phylogenetically controlled analysis, we found that brood parasites exhibited significantly increased muscular movement during incubation compared to non-parasites. This suggests that increased embryo movement may facilitate the development of the stronger musculoskeletal system required for the demanding tasks undertaken by young brood parasites.
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