Polygyny and Male Parental Care by Sprague's Pipit

Dohms, Kimberly M.; Davis, Stephen K.

doi:10.1676/08-165.1

Cited by 4 publications

(4 citation statements)

References 33 publications

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“…Data from this study contribute to the growing body of evidence that males in multi‐male groups may provide important benefits to offspring. Male care takes many forms across a variety of taxa [fish: Gross & Sargent, 1985; insects: Trumbo, 2007; birds: Cockburn, 2006 (review); rodents: Wynne‐Edwards & Timonin, 2007] and social systems [social monogamy: Wright, 2006; polgyny: Dohms & Davis, 2009; polyandry: Lappan, 2008; promiscuity: Buchan et al, 2003]. For gorillas, the benefit/cost ratio of this form of care (proximity, tolerance, and occasionally extended care when mothers are absent) may be particularly favorable.…”

Section: Discussionmentioning

confidence: 99%

Male–immature relationships in multi‐male groups of mountain gorillas (Gorilla beringei beringei)

Rosenbaum

Silk

Stoinski

2010

American J Primatol

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We examined the pattern and possible functions of social interactions between adult males and immatures in three free-ranging, multi-male groups of mountain gorillas (Gorilla beringei beringei). Previous studies conducted during the 1970s when groups contained one to three adult males concluded that male-immature relationships were likely to be a form of low-cost paternal investment [Stewart, Mountain gorillas: three decades of research at Karisoke. Cambridge, UK: Cambridge University Press, 2001]. We evaluated whether this hypothesis still held in groups containing six to nine adult males, or if male-immature relationships might serve other functions (e.g. mating effort, kin selection, or alliance building). Overall, we found that immatures spent the most time near, and interacted most with, the alpha silverback. These behaviors peaked during the period when infants were still quite vulnerable but increasing their independence from their mothers. Such findings suggest that parenting effort remains the primary function of male-immature relationships; however, there is some evidence for the mating effort hypothesis as well.

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Section: Discussionmentioning

confidence: 99%

Male–immature relationships in multi‐male groups of mountain gorillas (Gorilla beringei beringei)

Rosenbaum

Silk

Stoinski

2010

American J Primatol

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“…Second broods after successfully fledging young have been documented twice for Sprague's Pipit (Sutter 1996, Davis 2009). Re-nesting after nest failure has been rarely documented for this species (Sutter 1996, Davis 2009), as has polygyny (n 5 1) (Dohms and Davis 2009). Baird's Sparrow in southwest Manitoba (Davis and Sealy 1998) and in our study had a second, smaller nest initiation peak in mid to late June, suggesting second broods or re-nesting attempts; second broods have only been documented twice (Davis and Sealy 1998;S.…”

Section: Discussionmentioning

confidence: 99%

Reproductive Biology of a Grassland Songbird Community in Northcentral Montana

Jones¹,

Dieni²,

Gouse³

2010

The Wilson Journal of Ornithology

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“…We recorded video footage continuously beginning late in incubation or on hatch day until nestlings fledged or the nest failed. To identify sexes of parents on the video, we also trapped and color-banded both parents (Dohms and Davis 2009). All protocols were approved by the Canadian Wildlife Service and University of Regina President's Committee on Animal Care.…”

Section: Methodsmentioning

confidence: 99%

Removal of nestling radio-transmitters by adult Sprague’s Pipit (Anthus spragueii)

Fisher

Dohms

Davis³

2010

J Ornithol

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Fledgling birds are notoriously difficult to find and capture because of their cryptic behavior. As a result, researchers usually affix transmitters to nestlings to study aspects of post-fledging ecology. However, parents may attempt to remove nestling transmitters, which could negatively impact nestlings. We attached radio-transmitters to 95 Sprague's Pipit (Anthus spragueii) nestlings using a modified Rappole and Tipton leg harness. Within 1-2 days after transmitter attachment, we recorded six cases of parents removing transmitters from nestlings and depositing the transmitters outside the nest. At one of these nests, we videotaped parents pecking and pulling at nestlings that had transmitters and also dragging a nestling out of the nest by the transmitter. Of 12 video-monitored nests where we attached transmitters to nestlings, 33% had cases of parents attempting to remove transmitters by pecking and pulling at nestlings. Our observations highlight the need to closely monitor nestlings with transmitters so that researchers have the opportunity to reattach transmitters should parents remove them and to monitor the health of nestlings. Videomonitoring nests could also help to identify any unseen, negative impacts on nestlings due to transmitter attachment.

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Polygyny and Male Parental Care by Sprague's Pipit

Cited by 4 publications

References 33 publications

Male–immature relationships in multi‐male groups of mountain gorillas (Gorilla beringei beringei)

Male–immature relationships in multi‐male groups of mountain gorillas (Gorilla beringei beringei)

Reproductive Biology of a Grassland Songbird Community in Northcentral Montana

Removal of nestling radio-transmitters by adult Sprague’s Pipit (Anthus spragueii)

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