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House sparrow nestlings are fed primarily on insects during the first 3 days of their life, and seeds become gradually more important afterwards. We tested whether developmental changes in size and functional capacity of...

The New World suboscines (Passeriformes and Tyrannides) are one of the biggestendemic vertebrate radiations in South America, including the families Furnariidaeand Tyrannidae. Avian brain morphology is a reliable proxy t...

RESUMO Nosso texto, assim como todos os que compõem a iniciativa deste dossiê, é o resultado dos esforços de evidenciar os livros e autores que se tornaram “clássicos” para cada uma de nós. Assim, os autores aq...

Abstract Invasive species impact native wildlife in several ways, as they compete for resources and may transmit their specific pathogens. However, the potential consequences of co-introduced parasites are not fully unde...

Artificial lighting at night (ALAN) modifies the vocal activity patterns of numerous birds. In this study, we evaluated the impact of ALAN on the vocal activity patterns of the Tropical Kingbird Tyrannus melancholicus on...

Abstract Background Antimicrobial resistance (AMR) represents a major global One Health challenge, with increasing recognition of the role of wildlife in the environmental circulation of resistant bacteria. Wild birds, p...

Abstract Haemoproteus spp. are protozoan parasites found in birds around the world. These parasites are identified through the morphology of gametocytes, phylogenetic analysis based on the mitochondrial cytb gene, and th...

Abstract Comparative studies of parasites in sympatric bird species have been generally scarce. Parasitic infection/transmission can be spread in a number of ways that suggests possible direct and indirect, horizontal tr...

Los ictéridos constituyen una importante familia de Passeriformes, que habitan la casi totalidad del continente americano y que están muy bien representados en la República Argentina. Si bien constituyen un grupo de ...

Doctor en Ciencias Naturales Universidad Nacional de La Plata Facultad de Ciencias Naturales y Museo

El artículo indaga acerca de las prácticas familiares en el contexto de covid-19 en Argentina, analiza las estrategias para sostener las prácticas profesionales y el trabajo de cuidados desde el relato de docentes arg...

Abstract The aim of this study was to verify whether the School Performance variable can be explained by the Adolescent Social Skills (ASS), Motivation to Learn and Perception of Social Support constructs in groups of st...

We report a sighting of the Red-backed Shrike, a vagrant to peninsular India, from the coastal habitats of Thoothukudi (Tuticorin) District, Tamil Nadu. This observation is the second photographic record of the species f...

The present study was conducted from February 2024 to May 2025 in the Raha sub-district of Nagaon, Assam, to provide the first avian checklist of the region. Surveys were conducted weekly, with observations carried out o...

This study explored the relationship between precipitation, the amount of time between precipitation events, bird strike risk, and the agricultural zone related to Department of the Air Force (DAF) aircraft operations. C...

Village ponds serve as important micro-wetland habitats that support diverse avifauna yet are subject to anthropogenic pressures. The present study assessed the avifaunal diversity and seasonal variations in Ladhwaya Pon...

Documentation of avian diversity is an effective method to monitor the quality of a habitat, along with long-term effects of habitat fragmentation, developmental activities, and urbanization. In the current investigation...

ABSTRACT Bird droppings are an unusual food resource for coprophagous insects and used mostly by opportunistic decomposers. Among them, dung beetles feed mainly on dung, although the species differ in their trophic plast...

RESUMO Erythroxylaceae compreende entre 240-250 espécies distribuídas nas áreas tropicais do globo, quase todas pertencentes ao gênero Erythroxylum. A maior diversidade do gênero está na região Neotropical, tendo ...

Feeding conditions during the nestling period may significantly affect whole-life fitness in altricial birds but little is known about the physiological mechanisms responsible for these effects. Permanent changes (irreve...

El trabajo relaciona tres dimensiones que articulan las discusiones sobre el fútbol en América del Sur: hinchas, mercado y política interna. En primer lugar se presenta el debate desencadenado en torno al formato lega...

El objetivo del artículo consiste en profundizar el estudio de aspectos que dan cuenta de la participación sindical de los trabajadores en Argentina. Para ello, se consideran indicadores que van más allá de la tasa d...

Abstract Bird wings exhibit a broad degree of functional and shape variation, though the exact nature of the form-function relationship is uncertain. Recent analysis suggests that functional variability is explained by l...

Neste estudo objetiva-se apontar especificidades de redes temáticas em blogs de familiares de Pessoas com Necessidades Especiais (PNE) com relação à Análise de Redes Sociais (ARS). Nosso objeto de estudo são as red...