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Surviving in cities: the case of a year-round territorial bird in the Neotropics
(2022-03-18)
Urban expansion has been identified as one of the main threats to biodiversity because it can negatively affect wildlife populations. However, wildlife population dynamics have not been studied in one of the most rapidly ...
Urbanization has opposite effects on the territory size of two passerine birds
(2020-04-28)
Background: Urban expansion has been identified as one of the leading drivers of biodiversity change or loss. For birds, urbanization is specifically related to survival, breeding success, and territory size. Understanding ...
Transmission characteristics of solo songs and duets in a neotropical thicket habitat specialist bird
(2015-09-22)
The Acoustic Adaptation Hypothesis posits that habitat characteristics influence the structure of animal vocalizations and that animals will vocalize and display behaviours optimized for sound transmission. White-eared ...
Genetic structure in two avian species with different tolerance to urbanization: Case of white-eared ground-sparrow and house wren across an urban gradient
(2022)
El flujo génico en aves puede verse afectado por la urbanización dependiendo de la
historia natural y adaptabilidad de la especie al cambio de hábitat. Se pueden
esperar resultados contrastantes cuando se comparan ...
Efecto del aislamiento urbano espacial y temporal en la diversidad genética, características acústicas y morfológicas de Melozone Leucotis (Aves: Passerellidae)
(2023)
La urbanización genera alteraciones en los ecosistemas, incluyendo la fragmentación de los hábitats naturales, lo que produce el aislamiento de poblaciones de una misma especie. Como consecuencia, se espera que el flujo ...
The biogeographic and evolutionary history of an endemic clade of Middle American sparrows: Melozone and Aimophila (Aves: Passerellidae)
(2017)
The large number of endemic species in Middle America is frequently attributed to the interplay of geographical barriers and historical climatic changes in the region. This process promotes genetic divergence between ...
Phenotypic variation and vocal divergence reveals a species complex in White-eared Ground-sparrows (Cabanis) (Aves: Passerellidae)
(2017-07-11)
The taxonomy of the genus Melozone has recently been analyzed from genus to subspecies level, leading to a significant revision of our understanding of this group of birds. Previous studies quantified differences in ...
Genetic structure in neotropical birds with different tolerance to urbanization
(2022)
Gene flow in birds can be affected by urbanization depending on natural history traits and adaptability
to habitat change. Contrasting results can be expected when comparing species with opposite
resilience to urbanization. ...
The differences in transmission properties of two bird calls show relation to their specific functions
(2016)
When vocalizations transmit throughout the environment, attenuation and degradation may change the information of the signal; the loss of information is related to changes in both frequency and duration of vocalizations. ...