10 articles in this issue
Christopher M. Heckscher,Devin Mendez,Keith A. Hobson,Armando A. Aispuro,Nicole Kleponis,Alan H. Kneidel,Melanie L. Mancuso,Kevin Kardynal
The ecology of Nearctic-Neotropical migrant songbirds in South America is largely unexplored. We used miniature global positioning system (GPS) data loggers to determine the broad habitat associations of nine Veeries (Catharus fuscescens) during their fir... see more
Odirlei Vieira Fonseca,Odilon Vieira Fonseca,Marco Aurélio Crozariol
Territorial displays are a common behavior in Knipolegus, but are only performed by males, while a mutual displays are unknown in this genus. In October 2012, in high-altitude grassland (Campos de Altitude), Espírito Santo state, south-east Brazil, a pair... see more
Fernando Novoa,Tomás Altamirano,José Tomás Ibarra
While the reproductive ecology of avian species that use tree-cavities for nesting has been studied, the utilization of nest-sites in roadside banks has received less attention. Here we report 38 nests in 19 cavities on roadside banks, belonging to nine a... see more
Tomaz Nascimento de Melo,Fábio Olmos,Rita Cerqueira Ribeiro de Souza,Guy Kirwan
The genus Topaza comprises two species of large hummingbirds with allopatric distributions in Amazonia. Lek behavior has already been described in almost 30 species of hummingbirds, including Crimson Topaz Topaza pella, but not for Fiery Topaz T. pyr... see more
Josué Corrales-Moya,Luis Sandoval
Human settlements expansion has generated significant changes in natural ecosystems. The consequences in the avifauna are varied, among them, changes in the availability of natural and artificial sites to build nests. Some species can nest on perches buil... see more
Fabio Schunck,Peter Mix
“Anti-predator distraction” display behavior is well known for birds of the families Charadriidae and Scolopacidae, but it is also performed by Neotropical forest birds of the family Conopophagidae. Nevertheless, this information is rarely mentioned in co... see more
Spencer G. Sealy
To assign responses of acceptance and rejection of potential hosts to parasitism by the Bronzed Cowbird (Molothrus aeneus), in Costa Rica, 110 egg manipulations were performed at nests of 17 species, from which 10 responses, by three species, were scored ... see more
Yvonne Lawrie,Thomas Shannon,Arturo Kirkconnell,Christopher Clark,Martin Collinson,Guy Kirwan
The Near Threatened Cuban endemic, Bee Hummingbird Mellisuga helenae, is iconic for its tiny size—the male is the smallest bird in the world. In this study, one mitochondrial gene (ND2) and introns of two nuclear genes (encoding adenylate kinase and beta-... see more
Juan Manuel Aguilar
Xenodacnis is a specialized high Andean bird genus of which males are larger and show different feather coloration from females. However, sexual dimorphism has not been analyzed in detail yet. Distributed in Ecuador and Peru, Xenodacnis have long been con... see more
Juan Ignacio Areta,Giselle Mangini,Facundo Gandoy,Mark Pearman
The confusing taxonomic history of Rough-legged Tyrannulet (Phyllomyias burmeisteri) casts doubt on whether a nest and egg from Brazilian Atlantic Forest might instead belong to the Greenish Tyrannulet (Phyllomyias virescens). A nest of P. burmeisteri pla... see more