Relevant bibliographies by topics / Rufous-collared Sparrow

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Academic literature on the topic 'Rufous-collared Sparrow'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Rufous-collared Sparrow"

1

Ruiz, Gricelda, Mario Rosenmann, Francisco Fernando Novoa, and Pablo Sabat. "HEMATOLOGICAL PARAMETERS AND STRESS INDEX IN RUFOUS-COLLARED SPARROWS DWELLING IN URBAN ENVIRONMENTS." Condor 104, no. 1 (2002): 162–66. https://doi.org/10.5281/zenodo.13510236.

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(Uploaded by Plazi for the Bat Literature Project) A number of wild bird species have fortuitously incorporated themselves into urban life. One of these, the Rufous-collared Sparrow (Zonotrichia capensis), dwells with seemingly similar success in urban and rural areas. Nevertheless, we found that urban Rufous-collared Sparrows have lower body weight, higher blood glucose concentration, higher proportion of heterophils (H), lower proportion of lymphocytes (L), and consequently, a larger H:L stress index, than rural ones. After two weeks of captivity rural birds developed blood characteristics t
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2

Ruiz, Gricelda, Mario Rosenmann, Francisco Fernando Novoa, and Pablo Sabat. "HEMATOLOGICAL PARAMETERS AND STRESS INDEX IN RUFOUS-COLLARED SPARROWS DWELLING IN URBAN ENVIRONMENTS." Condor 104, no. 1 (2002): 162–66. https://doi.org/10.5281/zenodo.13510236.

Full text
Abstract:
(Uploaded by Plazi for the Bat Literature Project) A number of wild bird species have fortuitously incorporated themselves into urban life. One of these, the Rufous-collared Sparrow (Zonotrichia capensis), dwells with seemingly similar success in urban and rural areas. Nevertheless, we found that urban Rufous-collared Sparrows have lower body weight, higher blood glucose concentration, higher proportion of heterophils (H), lower proportion of lymphocytes (L), and consequently, a larger H:L stress index, than rural ones. After two weeks of captivity rural birds developed blood characteristics t
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3

Ruiz, Gricelda, Mario Rosenmann, Francisco Fernando Novoa, and Pablo Sabat. "HEMATOLOGICAL PARAMETERS AND STRESS INDEX IN RUFOUS-COLLARED SPARROWS DWELLING IN URBAN ENVIRONMENTS." Condor 104, no. 1 (2002): 162–66. https://doi.org/10.5281/zenodo.13510236.

Full text
Abstract:
(Uploaded by Plazi for the Bat Literature Project) A number of wild bird species have fortuitously incorporated themselves into urban life. One of these, the Rufous-collared Sparrow (Zonotrichia capensis), dwells with seemingly similar success in urban and rural areas. Nevertheless, we found that urban Rufous-collared Sparrows have lower body weight, higher blood glucose concentration, higher proportion of heterophils (H), lower proportion of lymphocytes (L), and consequently, a larger H:L stress index, than rural ones. After two weeks of captivity rural birds developed blood characteristics t
APA, Harvard, Vancouver, ISO, and other styles
4

Ruiz, Gricelda, Mario Rosenmann, Francisco Fernando Novoa, and Pablo Sabat. "HEMATOLOGICAL PARAMETERS AND STRESS INDEX IN RUFOUS-COLLARED SPARROWS DWELLING IN URBAN ENVIRONMENTS." Condor 104, no. 1 (2002): 162–66. https://doi.org/10.5281/zenodo.13510236.

Full text
Abstract:
(Uploaded by Plazi for the Bat Literature Project) A number of wild bird species have fortuitously incorporated themselves into urban life. One of these, the Rufous-collared Sparrow (Zonotrichia capensis), dwells with seemingly similar success in urban and rural areas. Nevertheless, we found that urban Rufous-collared Sparrows have lower body weight, higher blood glucose concentration, higher proportion of heterophils (H), lower proportion of lymphocytes (L), and consequently, a larger H:L stress index, than rural ones. After two weeks of captivity rural birds developed blood characteristics t
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5

Lougheed, Stephen C., and Paul Handford. "Night Songs in the Rufous-Collared Sparrow." Condor 91, no. 2 (1989): 462. http://dx.doi.org/10.2307/1368324.

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6

Pedroso, Luiz Gustavo A., and Fabio Akashi Hernandes. "Two new feather mite species of the family Analgidae (Acariformes: Analgoidea) from the Rufous-collared Sparrow Zonotrichia capensis (Müller, 1776) (Passeriformes: Passerellidae)." Zootaxa 4461, no. 2 (2018): 233–44. https://doi.org/10.11646/zootaxa.4461.2.4.

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Pedroso, Luiz Gustavo A., Hernandes, Fabio Akashi (2018): Two new feather mite species of the family Analgidae (Acariformes: Analgoidea) from the Rufous-collared Sparrow Zonotrichia capensis (Müller, 1776) (Passeriformes: Passerellidae). Zootaxa 4461 (2): 233-244, DOI: 10.11646/zootaxa.4461.2.4
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7

Viana, Yasmin, Robert J. Young, Renata S. Sousa-Lima, and Marina H. Duarte. "Mining noise affects Rufous-Collared Sparrow (Zonothichia capensis) vocalizations." Journal of the Acoustical Society of America 141, no. 5 (2017): 3942. http://dx.doi.org/10.1121/1.4988930.

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8

Castro, Gonzalo, and Bruch A. Wunder. "Cold adaptations in the rufous-collared sparrow Zonotrichia capensis." Comparative Biochemistry and Physiology Part A: Physiology 98, no. 1 (1991): 101–2. http://dx.doi.org/10.1016/0300-9629(91)90584-y.

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9

Bonier, Frances, Paul R. Martin, Thomas W. Small, et al. "ENERGETIC COSTS AND STRATEGIES OF POST‐JUVENAL MOLT IN AN EQUATORIAL BIRD, THE RUFOUS‐COLLARED SPARROW (ZONOTRICHIA CAPENSIS)." Ornitología Neotropical 29 (May 20, 2018): S19—S28. http://dx.doi.org/10.58843/ornneo.v29i2.190.

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Abstract ∙ Many tropical birds have slow‐paced life history strategies, exhibiting lower metabolic rates, reduced annual investment in reproduction, and longer lifespans relative to birds at higher latitudes. Life history strategies have been relatively well documented in adult individuals in the tropics, but we know comparatively little about the immature life history stage. Here we examine strategies of feather replacement (molt) and fattening in immature Rufous‐collared Sparrows (Zonotrichia capensis) in a high elevation equatorial population, following a parallel, previous study on an arct
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10

Tubaro, Pablo L., and Enrique T. Segura. "A case of vocal mimicry in the Rufous-collared Sparrow." El Hornero 13, no. 3 (1992): 232–34. http://dx.doi.org/10.56178/eh.v13i3.1073.

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Dissertations / Theses on the topic "Rufous-collared Sparrow"

1

Danner, Julie Elizabeth. "The role of cultural divergence in reproductive isolation in a tropical bird, the rufous-collared sparrow (Zonotrichia capensis)." Diss., Virginia Tech, 2012. http://hdl.handle.net/10919/77081.

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In birds, song can evolve quickly through cultural transmission and due to errors in the learning process may result in regional dialects. A lack of dialectal recognition may be a critical component of reproductive isolation through female mate preference. I investigated the role of cultural divergence in reproductive isolation in a widespread Neotropical passerine the rufous-collared sparrow (Zonotrichia capensis). In Chapter II, I investigated, the role of female preference for and male territorial response towards, local and non-local dialects in two allopatric populations. Females in both
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2

Class, Alexandra Morgan. "Seasonality and trade-offs in equatorial rufous-collared sparrows (Zonotrichia capensis)." Diss., Virginia Tech, 2009. http://hdl.handle.net/10919/30015.

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The majority of vertebrates are tropical, existing in an environment with low temperature seasonality. However, there is a strong research bias towards temperate-zone studies of seasonality. I investigated the timing of life history stages and trade-offs in tropical rufous-collared sparrows (Zonotrichia capensis) in the humid Andes of Ecuador, then compared my data to temperate-zone Zonotrichia. In Chapter II, I investigated the function of male territorial aggression. Males had peak territorial aggression scores during pre-breeding and nesting, suggesting that paternity protection and food re
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3

Escallon, Herkrath Camilo. "Reproductive physiology, avian malaria, and the cloacal microbiome in tropical Rufous-collared Sparrows (Zonotrichia capensis)." Diss., Virginia Tech, 2015. http://hdl.handle.net/10919/77854.

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Life-history strategies are adaptations in behavior, physiology, and anatomy that influence survival and reproductive success. Variation in life-history strategies is often determined by adaptations to environmental conditions and trade-offs with sexually-selected signals. One of the aspects controlling life-history trade-offs is the endocrine system. Testosterone is a hormone that mediates several key aspects of male reproduction, yet little is known about the causes and consequences of variation in testosterone. Using rufous-collared sparrows (Zonotrichia capensis), a Neotropical songbird wi
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Journal articles
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