Buscar
Mostrando ítems 21-30 de 135
Geographic variation in the association between exploratory behavior and physiology in rufous-collared sparrows
(UNIVERSITY OF CHICAGO PRESS, 2012)
Responses in the abundance of generalist birds to environmental gradients: The rufous-collared sparrow (Zonotrichia capensis) in the southern Neotropics
(Taylor & Francis, 2011-12)
Bird species are adapted to certain ranges of physical conditions and will respond to environmental heterogeneity depending on their ability to exploit a broad range of resources and their tolerance to new environmental ...
First documented record for the Rufous Collared Sparrow Zonotrichia capensis (Aves: Emberizidae) in the Peruvian AmazonPrimer registro documentado del Gorrión de Collar Rufo Zonotrichia capensis (Aves: Emberizidae) en la Amazonía Peruana
(Universidad Nacional Mayor de San Marcos, Facultad de Ciencias Biológicas, 2018)
Seasonal modulation of the adrenocortical stress responses in Chilean populations of Zonotrichia capensis
(Springer Verlag, 2019)
© 2018, Dt. Ornithologen-Gesellschaft e.V. To persist in a landscape, organisms are often faced with evolutionary tradeoffs between individual survival and reproduction. In environments where breeding opportunities are ...
Exploration and exploitation of foraging patches by desert sparrows: environmental indicators and local evaluation of spatially correlated costs and benefits
(Wiley, 2015-05)
Conventional evolutionary and behavioral reasoning expects foragers to show strong spatial preferences in environments with heterogeneous resource distribution. Moreover, consumers should benefit from exploiting the ...