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Cooperative breeding behaviors in the Hawaiian Stilt (Himantopus mexicanus knudseni)

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Dibben-Young et al. 2021 Cooperative breeding behaviors in the Hawaiian-Stilt (Himantopus-mexicanus-knudseni).pdf HAST Cooperative Breeding Manuscript 943.05 kB Adobe PDF View/Open

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Title:Cooperative breeding behaviors in the Hawaiian Stilt (Himantopus mexicanus knudseni)
Authors:Dibben-Young, Arleone
Harmon, Kristen
Lunow-Luke, Arianna
Idle, Jessica
Christensen, Dain
show 1 morePrice, Melissa
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Keywords:chick rearing
delayed dispersal
nest sharing
nest sharing
show 2 morenesting success
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Date Issued:10 Mar 2021
Citation:Dibben-Young A, Harmon KC, Lunow-Luke A, Idle JL, Christensen DL, Price MR. Cooperative breeding behaviors in the Hawaiian Stilt (Himantopus mexicanus knudseni). Ecol Evol. 2021;00:1–7
Abstract:Cooperative breeding, which is commonly characterized by nonbreeding individuals that assist others with reproduction, is common in avian species. However, few accounts have been reported in Charadriiformes, particularly island-nesting species. We present incidental observations of cooperative breeding behaviors in the Hawaiian Stilt (Himantopus mexicanus knudseni), an endangered subspecies of the Black-necked Stilt (Himantopus mexicanus), during the 2012–2020 nesting seasons on the Hawaiian islands of O‘ahu and Moloka‘i. We describe two different behaviors that are indicative of cooperative breeding: (a) egg incubation by multiple adults; (b) helpers-at-the-nest, whereby juveniles delay dispersal and reproduction to assist parents and siblings with reproduction. These observations are the first published accounts of cooperative breeding in this subspecies and merit further investigation, as cooperative breeding may improve population viability of the endangered, endemic Hawaiian Stilt.
DOI: View publication
Rights:CC0 1.0 Universal
Journal:Ecology and Evolution
Appears in Collections: Hawaii Wildlife Ecology Lab

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