Data from: Snowmelt and laying date shape the parental care strategy of a high-Arctic shorebird
Parental care varies across animal taxa, from uniparental to biparental care, driven by ecological and social factors such as weather, food availability, predation, and partner availability. Understanding this diversity within species can reveal biotic and abiotic conditions allowing uniparental ver...
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Zusammenfassung: | Parental care varies across animal taxa, from uniparental to biparental
care, driven by ecological and social factors such as weather, food
availability, predation, and partner availability. Understanding this
diversity within species can reveal biotic and abiotic conditions allowing
uniparental versus biparental strategies. This study examines the impact
of biotic and abiotic factors on parental care strategies in Sanderlings
(Calidris alba), one of the few species that uses both types of care.
Using long-term data from Greenland (2011-2023), path analyses revealed
that laying date and snowmelt influence parental care strategies, with
indirect climatic effects during migration and on breeding grounds. We
observed a greater proportion of uniparental nests in years with delayed
laying dates, and a greater proportion of biparental nests in years with
delayed snowmelt. These findings underscore the complex interplay between
environmental factors and parental care strategies, offering insights into
how these strategies may evolve under changing ecological conditions. |
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DOI: | 10.5061/dryad.v6wwpzh46 |