Results 41 to 50 of about 7,464 (201)

Big Bird: A global dataset of birds in drone imagery annotated to species level

Remote Sensing in Ecology and Conservation, EarlyView.
Drones are a valuable tool for surveying birds, but manually detecting and identifying birds in drone images is costly. We assembled a diverse dataset of 23 865 images of birds captured with 21 different drones across 11 countries. We labelled 4824 of these images, detailing the location, species, posture category, age category, and sex of 49 990 birds
Joshua P. Wilson, Tatsuya Amano, Thomas Bregnballe, Alejandro Corregidor‐Castro, Roxane Francis, Diego Gallego‐García, Jarrod C. Hodgson, Landon R. Jones, César R. Luque‐Fernández, Dominik Marchowski, John McEvoy, Ann E. McKellar, W. Chris Oosthuizen, Christian Pfeifer, Martin Renner, José Hernán Sarasola, Mateo Sokač, Roberto Valle, Adam Zbyryt, Richard A. Fuller   +19 more
wiley   +1 more source

Computed tomography reveals multiple origins of extreme caudal vertebral pneumaticity in sauropod dinosaurs

Journal of Anatomy, EarlyView.
Here, we present novel CT scan data of caudal vertebrae of six Middle–Late Jurassic sauropods, representing several eusauropod lineages. We synthesise these new data with a comprehensive critical appraisal of purported external and internal evidence for caudal vertebral PSP in Sauropodomorpha.
Samantha L. Beeston, Daniela Schwarz, Paul Upchurch, Stephen F. Poropat, Patrick Asbach, Philip D. Mannion   +5 more
wiley   +1 more source

Jóvenes, música y pentecostalismo en Comodoro Rivadavia [PDF]

Identidades, 2013
Jóvenes, música y pentecostalismo en Comodoro ...
Luciana Lago
doaj  

Hacia una geografía comunitaria. Abordajes desde la cartografía social y los sistemas de información geográfica

Revista +E, 2017
Juan Manuel Diez Tetamanti (Coord.). (2014). Comodoro Rivadavia: EDUPA. 162 páginas. Disponible en versión digital.
Lucas Cardozo
doaj   +1 more source

Local Elites in Chile's Pisco Valley: Dispossession, Legal Mobilisation and Intertwined Citizenship

Journal of Agrarian Change, EarlyView.
ABSTRACT In countries in the Global South, citizenship is often closely tied to access to water and land ownership. In Latin America, the literature has primarily explored social mobilisation and identity reconfiguration in response to development‐driven processes of land and water dispossession affecting peasants, rural and Indigenous communities ...
Chloé Nicolas‐Artero
wiley   +1 more source

Systematics of Marmosa Subgenus Micoureus With Emphasis in ‘rapposa’ Group (Didelphidae, Marmosini): Geographic Variation and Revalidation of M. budini

Zoologica Scripta, EarlyView.
ABSTRACT Micoureus is the most species‐rich subgenus within the genus Marmosa. Conflicting arrangements regarding the number of species comprising this subgenus have been proposed and the validity of M. budini has been debated. Here, we used an approach integrating genetic and morphological data were conducted to reanalyze the ‘rapposa’ group ...
Maria Clara Santos Ribeiro, Aldo Caccavo, Joyce Rodrigues do Prado, Cibele Rodrigues Bonvicino   +3 more
wiley   +1 more source

Eigenmannia trilineata (Teleostomi, Sternopyginae). New specie from Río de la Plata. [PDF]

, 1966
Revisando los gimnótidos del Río de la Plata, se halló una forma afin a Eigenmannia virescens con la que ha sido confundida.Museo Argentino de Ciencias Naturales "Bernardino Rivadavia"Probiota: Programa para el estudio y uso sustentable de la biota ...
Castello, Hugo P., López, Robelio B.
core  

A GIANT AMONG GIANTS: A NEW LAND TORTOISE FROM THE PLEISTOCENE OF THE ARGENTINE PAMPAS

Rivista Italiana di Paleontologia e Stratigrafia
Gigantism in terrestrial tortoises occurred frequently and convergently in different lineages of Testudinidae. Despite the fact that giant forms were geographically and stratigraphically widespread in South America, Pleistocene members are still very ...
FEDERICO L. AGNOLÍN, NICOLÁS R. CHIMENTO   +1 more
doaj   +1 more source

Capacidad de natación en Gymnogeophagus meridionalis (Pisces, Cichlidae)

Biología Acuática, 2019
The cichlidae are recognized as maneauver specialists characterized by low crusing speeds and some acceleration capacity. In this work the swimming capacity of Gymnogeophagus meridionalis and the relation it has with some morphometric variables were ...
M. Jimena González Naya, Sergio Enrique Gómez, Luciana Ramírez   +2 more
doaj  

Revisiting a long‐overlooked skull: Implications for the distribution of Dinodontosaurus brevirostris (Kannemeyeriiformes) in the Brazilian Triassic

The Anatomical Record, Volume 309, Issue 7, Page 1749-1765, July 2026.
Abstract Dicynodonts (Anomodontia: Dicynodontia) were one of the main groups of terrestrial tetrapods in Permian and Triassic faunas. In Brazil, the genus Dinodontosaurus is one of the most common tetrapod taxon in the Triassic Santa Maria Supersequence. This genus has a complex taxonomic history and is represented in the Triassic of both Argentina and
Julia Lara Rodrigues de Souza, João Lucas Da Silva, Voltaire D. P. Neto, Arielli Fabrício Machado, Juan A. Escobar, Felipe L. Pinheiro   +5 more
wiley   +1 more source