The carotenoid redshift: Physical basis and implications for visual signaling. [PDF]
Ecol Evol, 2023 Carotenoid pigments appear redder as the concentration of a pigment increases. The carotenoid redshift arises due to the asymmetrical reflectance spectra of carotenoid‐colored ornaments and the exponential attenuation of light. Structures that increase the path length of light through carotenoid pigment also cause a redshift, as we demonstrate in the ...
McCoy DE +4 more
europepmc +2 more sources
Nueva cita de <i>Ramphocelus bresilius</i> (Linne) (Thraupidae) para la Argentina
El Hornero, 1985 This article does not have an abstract.
Juan Carlos Chebez +2 more
openaire +1 more source
Knowledge of dwellers about frugivory by birds in an urbanized region with restinga fragments in southeastern Brazil [PDF]
Biotemas, 2009 Ecological knowledge can be important to reveal in raising the awareness of people which becomes reflected in action on their local environment. This study evaluated the knowledge of dwellers about frugivory by birds in restinga fragments, an ecosystem ...
César Cestari
doaj
Wild animals housed at the IBAMA triage center in Southern Brazil, 2005–2021: a glimpse into the endless conflicts between man and other animals [PDF]
, 2022 Spurred on by the illegal billion-dollar revenue, the capture and trade of wild fauna remain the leading illegal activities in Brazil, and elsewhere.
Andretta, Ines +5 more
core
Ciclos de muda y características cualitativas para determinar edad de Ramphocelus carbo Pallas, 1764 (aves: Thraupidae) en la facultad de ciencias biológicas. Loreto, Perú [PDF]
, 2023 From June 2019 to March 2020, assessments were carried out one day a month on the campus of the Facultad de Ciencias Biológicas - UNAP with the objective of characterizing the molt and plumage cycles, determining the relationship between the level of ...
Saravia Llaja, Keyko Geraldy
core
Annotated checklist of the birds of Brazil by the Brazilian Ornithological Records Committee-second edition [PDF]
, 2021 An updated version of the checklist of birds of Brazil is presented, along with a summary of the changes approved by the Brazilian Ornithological Records Committee's Taxonomy Subcommittee since the first edition, published in 2015.
Agne, Carlos Eduardo +19 more
core +2 more sources
Birds, Ilha Grande, state of Rio de Janeiro, Southeastern Brazil [PDF]
, 2009 We provide a list of bird species from our primary surveys and secondary data for an island (Ilha Grande) insoutheastern Brazil. The information derives mainly from primary data collected since 1995, particularly in the oceanicside of the island.
Alves, M. A. S., Vecchi, M. B.
core
Ameaça à vida silvestre: levantamento de avifauna recebida pelo CETAS – Florianópolis, Santa Catarina (2019-2021) [PDF]
, 2022 TCC (graduação) - Universidade Federal de Santa Catarina, Centro de Ciências Biológicas, Licenciatura em Ciências Biológicas.O Brasil possui a maior biodiversidade do mundo, a qual, da avifauna conhecida, 1.971 ocorrem no país. A mata atlântica constitui
Fragoso, Tifanny Soares
core
Densidade parasitária e potencial ornitocórico de aves silvestres: resultados preliminares de um projeto de pesquisa e extensão realizado em área de reflorestamento no Campus IFRJ, Pinheiral, Rio de Janeiro, Brasil [PDF]
, 2021 This publication aims to disseminate to the scientific community and society in general, the project of the same title of this publication that is under development by the collaboration of the Instituto Federal de Educação, Ciência e Tecnologia do Rio de
Abreu, Saulo Tavares +12 more
core +1 more source
The role of alien plants in the composition of fruit-eating bird assemblages in Brazilian urban ecosystems [PDF]
, 2007 Between 1985 and 2004, 91 wild fruit-eating bird species were studied in 11 urban areas of Brazil: 78 of these species were seed dispersers and 13 were seed predators. The most representative families of fruit-eating birds in these areas were: Thraupidae
Guix, Juan Carlos
core +1 more source