Search Results - "Balcomb, Kenneth C"

Ecological knowledge, leadership, and the evolution of menopause in killer whales by Brent, Lauren J N, Franks, Daniel W, Foster, Emma A, Balcomb, Kenneth C, Cant, Michael A, Croft, Darren P

“…Classic life-history theory predicts that menopause should not occur because there should be no selection for survival after the cessation of reproduction [1]…”
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Evaluating anthropogenic threats to endangered killer whales to inform effective recovery plans by Lacy, Robert C., Williams, Rob, Ashe, Erin, Balcomb III, Kenneth C., Brent, Lauren J. N., Clark, Christopher W., Croft, Darren P., Giles, Deborah A., MacDuffee, Misty, Paquet, Paul C.

“…Understanding cumulative effects of multiple threats is key to guiding effective management to conserve endangered species. The critically endangered, Southern…”
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Temporal dynamics of mother-offspring relationships in Bigg's killer whales: opportunities for kin-directed help by post-reproductive females by Nielsen, Mia Lybkær Kronborg, Ellis, Samuel, Weiss, Michael N, Towers, Jared R, Doniol-Valcroze, Thomas, Franks, Daniel W, Cant, Michael A, Ellis, Graeme M, Ford, John K B, Malleson, Mark, Sutton, Gary J, Shaw, Tasli J H, Balcomb, 3rd, Kenneth C, Ellifrit, David K, Croft, Darren P

“…Age-related changes in the patterns of local relatedness (kinship dynamics) can be a significant selective force shaping the evolution of life history and…”
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Costly lifetime maternal investment in killer whales by Weiss, Michael N., Ellis, Samuel, Franks, Daniel W., Nielsen, Mia Lybkær Kronborg, Cant, Michael A., Johnstone, Rufus A., Ellifrit, David K., Balcomb, Kenneth C., Croft, Darren P.

“…Parents often sacrifice their own future reproductive success to boost the survival of their offspring, a phenomenon referred to as parental investment. In…”
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Linking killer whale survival and prey abundance: food limitation in the oceans' apex predator? by Ford, John K. B., Ellis, Graeme M., Olesiuk, Peter F., Balcomb, Kenneth C.

“…Oncorhynchus tshawytscha…”
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A long postreproductive life span is a shared trait among genetically distinct killer whale populations by Nielsen, Mia Lybkær Kronborg, Ellis, Samuel, Towers, Jared R., Doniol‐Valcroze, Thomas, Franks, Daniel W., Cant, Michael A., Weiss, Michael N., Johnstone, Rufus A., Balcomb, Kenneth C., Ellifrit, David K., Croft, Darren P.

“…The extended female postreproductive life span found in humans and some toothed whales remains an evolutionary puzzle. Theory predicts demographic patterns…”
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Eastern temperate North Pacific offshore killer whales (Orcinus orca): Occurrence, movements, and insights into feeding ecology by Dahlheim, Marilyn E, Schulman-Janiger, Alisa, Black, Nancy, Ternullo, Richard, Ellifrit, Dave, Balcomb III, Kenneth C

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Analyses of ovarian activity reveal repeated evolution of post-reproductive lifespans in toothed whales by Ellis, Samuel, Franks, Daniel W., Nattrass, Stuart, Currie, Thomas E., Cant, Michael A., Giles, Deborah, Balcomb, Kenneth C., Croft, Darren P.

“…In most species the reproductive system ages at the same rate as somatic tissue and individuals continue reproducing until death. However, females of three…”
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Postreproductive killer whale grandmothers improve the survival of their grandoffspring by Nattrass, Stuart, Croft, Darren P., Ellis, Samuel, Cant, Michael A., Weiss, Michael N., Wright, Brianna M., Stredulinsky, Eva, Doniol-Valcroze, Thomas, Ford, John K. B., Balcomb, Kenneth C., Franks, Daniel W.

“…Understanding why females of some mammalian species cease ovulation prior to the end of life is a long-standing interdisciplinary and evolutionary challenge…”
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Reproductive Conflict and the Evolution of Menopause in Killer Whales by Croft, Darren P., Johnstone, Rufus A., Ellis, Samuel, Nattrass, Stuart, Franks, Daniel W., Brent, Lauren J.N., Mazzi, Sonia, Balcomb, Kenneth C., Ford, John K.B., Cant, Michael A.

“…Why females of some species cease ovulation prior to the end of their natural lifespan is a long-standing evolutionary puzzle [1–4]. The fitness benefits of…”
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Age and sex influence social interactions, but not associations, within a killer whale pod by Weiss, Michael N, Franks, Daniel W, Giles, Deborah A, Youngstrom, Sadie, Wasser, Samuel K, Balcomb, Kenneth C, Ellifrit, David K, Domenici, Paolo, Cant, Michael A, Ellis, Samuel, Nielsen, Mia L K, Grimes, Charli, Croft, Darren P

“…Social structure is a fundamental aspect of animal populations. In order to understand the function and evolution of animal societies, it is important to…”
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POPULATION GENETIC STRUCTURE OF COASTAL BOTTLENOSE DOLPHINS (TURSIOPS TRUNCATUS) IN THE NORTHERN BAHAMAS by Parsons, Kim M., Durban, John W., Claridge, Diane E., Herzing, Denise L., Balcomb, Kenneth C., Noble, Les R.

“…Population substructure has important implications for a species' ecology and evolution. As such, knowledge of this structuring is critical for the…”
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Postreproductive lifespans are rare in mammals by Ellis, Samuel, Franks, Daniel W., Nattrass, Stuart, Cant, Michael A., Bradley, Destiny L., Giles, Deborah, Balcomb, Kenneth C., Croft, Darren P.

“…A species has a post‐reproductive stage if, like humans, a female entering the adult population can expect to live a substantial proportion of their life after…”
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Traditional summer habitat use by Southern Resident killer whales in the Salish Sea is linked to Fraser River Chinook salmon returns by Stewart, Joshua D., Cogan, Jane, Durban, John W., Fearnbach, Holly, Ellifrit, David K., Malleson, Mark, Pinnow, Melisa, Balcomb, Kenneth C.

“…Southern Resident killer whales (SRKW, Orcinus orca) are a small, endangered population of fish‐eating killer whales that inhabit coastal and inland waters of…”
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Mixture models as a method for comparative sociality: social networks and demographic change in resident killer whales by Ellis, Samuel, Franks, Daniel W., Weiss, Michael N., Cant, Michael A., Domenici, Paolo, Balcomb, Kenneth C., Ellifrit, David K., Croft, Darren P.

“…In studies of social behaviour, social bonds are usually inferred from rates of interaction or association. This approach has revealed many important insights…”
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Evaluating the power of photogrammetry for monitoring killer whale body condition by Fearnbach, Holly, Durban, John W., Barrett‐Lennard, Lance G., Ellifrit, David K., Balcomb, Kenneth C.

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The effect of age, sex, and resource abundance on patterns of rake markings in resident killer whales (Orcinus orca) by Grimes, Charli, Brent, Lauren J. N., Weiss, Michael N., Franks, Daniel W., Balcomb, Kenneth C., Ellifrit, David K., Ellis, Samuel, Croft, Darren P.

“…Fluctuations in aggressive behavior of group‐living species can reflect social conflict and competition for resources faced by individuals throughout their…”
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Evaluating potential infectious disease threats for southern resident killer whales, Orcinus orca: a model for endangered species by Gaydos, Joseph K., Balcomb, Kenneth C., Osborne, Richard W., Dierauf, Leslie

“…Infectious diseases have the potential to play a role in the decline of threatened wildlife populations, as well as negatively affect their long-term…”
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Patterns and consequences of age-linked change in local relatedness in animal societies by Ellis, Samuel, Johnstone, Rufus A., Cant, Michael A., Franks, Daniel W., Weiss, Michael N., Alberts, Susan C., Balcomb, Kenneth C., Benton, Claire H., Brent, Lauren J. N., Crockford, Catherine, Davidian, Eve, Delahay, Richard J., Ellifrit, David K., Höner, Oliver P., Meniri, Magali, McDonald, Robbie A., Nichols, Hazel J., Thompson, Faye J., Vigilant, Linda, Wittig, Roman M., Croft, Darren P.

“…The ultimate payoff of behaviours depends not only on their direct impact on an individual, but also on the impact on their relatives. Local relatedness—the…”
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Inferred Paternity and Male Reproductive Success in a Killer Whale (Orcinus orca) Population by Ford, Michael J., Hanson, M. Bradley, Hempelmann, Jennifer A., Ayres, Katherine L., Emmons, Candice K., Schorr, Gregory S., Baird, Robin W., Balcomb, Kenneth C., Wasser, Samuel K., Parsons, Kim M., Balcomb-Bartok, Kelly

“…We used data from 78 individuals at 26 microsatellite loci to infer parental and sibling relationships within a community of fish-eating ("resident") eastern…”
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