Search Results - "Kramer, Gunnar R."

Tornadic Storm Avoidance Behavior in Breeding Songbirds by Streby, Henry M., Kramer, Gunnar R., Peterson, Sean M., Lehman, Justin A., Buehler, David A., Andersen, David E.

“…Migration is a common behavior used by animals of many taxa to occupy different habitats during different periods [1]. Migrant birds are categorized as either…”
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Geolocator deployment reduces return rate, alters selection, and impacts demography in a small songbird by Taff, Conor C, Freeman-Gallant, Corey R, Streby, Henry M, Kramer, Gunnar R

“…In the past few years, miniature light-level geolocators have been developed for tracking wild bird species that were previously too small to track during…”
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Patterns of parental care and movement in divided broods of golden‐winged warblers by Peterson, Sean M., Streby, Henry M., Kramer, Gunnar R., Feura, Jared M., Andersen, David E.

“…Post‐fledging brood division is a poorly understood, yet widespread suite of avian behaviours that includes both division of parental care and spatial division…”
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Extensive historical and contemporary hybridization suggests premating isolation in Vermivora warblers is not strong: A reply to Confer et al by Toews, David P. L., Baiz, Marcella D., Kramer, Gunnar R., Lovette, Irby J., Streby, Henry M., Taylor, Scott A.

“…We present comments on an article published by Confer et al. (Ecology and Evolution, 10, 2020). Confer et al. (2020) aggregate data from multiple studies of…”
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Is dietary or microhabitat specialization associated with environmental heterogeneity in horned lizards (Phrynosoma)? by Refsnider, Jeanine M., Carter, Sarah E., Kramer, Gunnar R., Siefker, Adam D., Streby, Henry M.

“…Niche breadth is predicted to correlate with environmental heterogeneity, such that generalists will evolve in heterogeneous environments and specialists will…”
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All tests are imperfect: Accounting for false positives and false negatives using Bayesian statistics by Qian, Song S., Refsnider, Jeanine M., Moore, Jennifer A., Kramer, Gunnar R., Streby, Henry M.

“…Tests with binary outcomes (e.g., positive versus negative) to indicate a binary state of nature (e.g., disease agent present versus absent) are common. These…”
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Evaluating outcomes of management targeting the recovery of a migratory songbird of conservation concern by Streby, Henry M, Kramer, Gunnar R, Peterson, Sean M, Andersen, David E

“…Assessing outcomes of habitat management is critical for informing and adapting conservation plans. From 2013-2019, a multi-stage management initiative, led by…”
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High-tech or field techs: Radio-telemetry is a cost-effective method for reducing bias in songbird nest searching by Peterson, Sean M, Streby, Henry M, Lehman, Justin A, Kramer, Gunnar R, Fish, Alex C, Andersen, David E

“…We compared the efficacy of standard nest-searching methods with finding nests via radio-tagged birds to assess how search technique influenced our…”
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Selection on VPS13A linked to migration in a songbird by Toews, David P. L., Taylor, Scott A., Streby, Henry M., Kramer, Gunnar R., Lovette, Irby J.

“…Animal migration demands an interconnected suite of adaptations for individuals to navigate over long distances. This trait complex is crucial for small birds…”
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Growth Rate and Relocation Movements of Common Nighthawk (Chordeiles minor) Nestlings in Relation to Age by Kramer, Gunnar R., Chalfoun, Anna D.

“…Relocation by dependent young is a survival strategy that occurs among a wide range of taxa. The Common Nighthawk (Chordeiles minor) lays its eggs on bare…”
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Population trends in Vermivora warblers are linked to strong migratory connectivity by Kramer, Gunnar R., Andersen, David E., Buehler, David A., Wood, Petra B., Peterson, Sean M., Lehman, Justin A., Aldinger, Kyle R., Bulluck, Lesley P., Harding, Sergio, Jones, John A., Loegering, John P., Smalling, Curtis, Vallender, Rachel, Streby, Henry M.

“…Migratory species can experience limiting factors at different locations and during different periods of their annual cycle. In migratory birds, these factors…”
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Minimizing marker mass and handling time when attaching radio-transmitters and geolocators to small songbirds by Streby, Henry M, McAllister, Tara L, Peterson, Sean M, Kramer, Gunnar R, Lehman, Justin A, Andersen, David E

“…Radio-transmitters and light-level geolocators are currently small enough for use on songbirds weighing <15 g. Various methods are used to attach these markers…”
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Exposure to risk factors experienced during migration is not associated with recent Vermivora warbler population trends by Kramer, Gunnar R., Andersen, David E., Buehler, David A., Wood, Petra B., Peterson, Sean M., Lehman, Justin A., Aldinger, Kyle R., Bulluck, Lesley P., Harding, Sergio, Jones, John A., Loegering, John P., Smalling, Curtis, Vallender, Rachel, Streby, Henry M.

“…Context Understanding the factors limiting populations of animals is critical for effective conservation. Determining which factors limit populations of…”
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Comment on “Mixed effects of geolocators on reproduction and survival of Cerulean Warblers, a canopy-dwelling, long-distance migrant” by Streby, Henry M, Kramer, Gunnar R

“…A recent paper published in The Condor: Ornithological Applications by Raybuck et al. (2017) described the results of an analysis of potential effects of…”
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Genomic identification of intergeneric hybrids in New World wood-warblers (Aves: Parulidae) by Toews, David P L, Kramer, Gunnar R, Jones, Andrew W, Brennan, Courtney L, Cloud, Benjamin E, Andersen, David E, Lovette, Irby J, Streby, Henry

“…Abstract The documentation of hybrids between distantly related taxa can illustrate an initial step to explain how genes might move between species that do not…”
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Endangered White-breasted Thrashers (Ramphocinclus brachyurus) reject mimetic Shiny Cowbird (Molothrus bonariensis) eggs by Kramer, Gunnar R., Mortensen, Jennifer L.

“…Brood parasitism can decrease the reproductive success of host species and contribute to population declines, especially in small populations with naturally…”
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Genomic and plumage variation in Vermivora hybrids by Baiz, Marcella D, Kramer, Gunnar R, Streby, Henry M, Taylor, Scott A, Lovette, Irby J, Toews, David P. L

“…Hybrids with different combinations of traits can be used to identify genomic regions that underlie phenotypic characters important to species identity and…”
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Say what? Bivalent singing in Vermivora warblers by Kramer, Gunnar R., Pagel, R. Kyle, Maley, Kate, Ziegler, Cassandra, Peterson, Sean M., Andersen, David E., Buehler, David A., Streby, Henry M.

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Nonbreeding isolation and population-specific migration patterns among three populations of Golden-winged Warblers by Kramer, Gunnar R, Streby, Henry M, Peterson, Sean M, Lehman, Justin A, Buehler, David A, Wood, Petra B, McNeil, Darin J, Larkin, Jeffery L, Andersen, David E

“…Golden-winged Warblers (Vermivora chrysoptera) are Nearctic–Neotropical migrants experiencing varied regional population trends not fully explained by…”
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Geolocators on Golden-winged Warblers do not affect migratory ecology by Peterson, Sean M, Streby, Henry M, Kramer, Gunnar R, Lehman, Justin A, Buehler, David A, Andersen, David E

“…The use of light-level geolocators is increasingly common for connecting breeding and nonbreeding sites and identifying migration routes in birds. Until…”
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