Results 51 to 60 of about 614,936 (208)

Movement Strategies of Neotropical Nectarivorous Birds: Insights From High‐Andean Hummingbirds and Flowerpiercers

Biotropica, Volume 58, Issue 1, January 2026.
Nectar is a highly variable, mostly unpredictable resource in tropical mountains. How do nectarivorous birds such as this male Great Sapphirewing cope? Fine‐scaled tracking of hummingbirds and flowerpiercers shows flexibility in daily movement strategies in the high Andes, possibly in response to fluctuating local conditions such as weather and ...
Cristina Rueda‐Uribe, Pedro A. Camargo‐Martínez, Jonathan Espitia, Manuela Lozano‐Rocha, Juan Pablo Ríos, María Ángela Echeverry‐Galvis, Lesley T. Lancaster, Isabella Capellini, Justin M. J. Travis, Alejandro Rico‐Guevara   +9 more
wiley   +1 more source

CARACTERÍSTICAS MORFOLÓGICAS DO CORDÃO UMBILICAL

Revista Científica da Faculdade de Medicina de Campos, 2016
Introdução: Os tecidos do cordão umbilical contêm células-tronco hematopoéticas e mesenquimais com potencial de diferenciação multipotente relacionadas a uma variedade de propostas terapêuticas.
G. C. Malheiros, Annelise Maria de Oliveira Wilken de Abreu   +1 more
semanticscholar   +1 more source

Cristalización de cloruros en materiales cerámicos. I Características morfológicas [PDF]

, 1998
Depto. de Mineralogía y PetrologíaFac.
Benjouali, Mina, López Andrés, Sol, López-Acevedo, Victoria   +2 more
core   +1 more source

Regímenes de riego y dosis de polímero hidroretenedor sobre características morfológicas y fisiológicas de plantas de Cordia trichotoma

, 2017
The objective of this research was to define which irrigation regime, whether or not combined with water retaining polymer doses added to the substrate, is recommended in the production of Cordia trichotoma seedlings.
Mônica Brucker Kelling, Maristela Machado Araújo, Enrique Asterio Benítez León, Suelen Carpenedo Aimi, Felipe Turchetto   +4 more
semanticscholar   +1 more source

Racing Amidst Change: Urbanization and Climate Alter Functional Traits and Distribution of an Amazonian Parthenogenetic Lizard

Biotropica, Volume 57, Issue 5, September 2025.
By comparing native and neonative populations of an Amazonian lizard, we examine how urban environments and climate change impact its functional traits, while also predicting its future distribution. Our findings offer insights into how some species may adapt to human‐altered landscapes, showing that not all are negatively affected by these changes ...
Lucas Rosado Mendonça, Josué Anderson Rêgo Azevedo, Marcelo Gordo, Fernanda P. Werneck   +3 more
wiley   +1 more source

Características morfológicas y funcionales del aeróbic deportivo [PDF]

, 1999
El aeróbic se ha manifestado en los últimos años como una actividad física de las más practicadas en el mundo. Ese auge impulsa en la década de los ochenta esta actividad como deporte espectáculo y de competición, hoy todavía desconocido en gran parte de
de la Cruz, Juan Carlos, López Bedoya, Jesús, Vernetta, Mercedes   +2 more
core  

Habilidade competitiva de capim aries com plantas daninhas no estabelecimento: características morfológicas

, 2016
Objetivou-se com esta pesquisa avaliar a competicao interespecifica do Panicum maximum cv. Aries no periodo de estabelecimento, sendo os fatores estudados os niveis de sombreamento e de nitrogenio.
L. Szymczak, M. Z. Schuster, S. Lustosa, Claudete Reisdorfer Lang, A. Moraes   +4 more
semanticscholar   +1 more source

Foxes as pets: Case study of the Fuegian Dog and its relationship to extinct Indigenous cultures

Journal of Zoology, Volume 327, Issue 1, Page 5-18, September 2025.
This is a rare glimpse into the historical past of the zoologically mysterious Fuegian Dog that lived with early Holocene Indigenous groups on the island of Tierra del Fuego. Records of the animal's appearance and behavior kept by early explorers, artists and scientists who travelled to the tip of South America, plus the genetics and archaeological ...
W. L. Franklin
wiley   +1 more source

Shearing Tooth Morphology May Allow Sharks to Access Higher Trophic Levels at Smaller Sizes

Ecology and Evolution, Volume 15, Issue 8, August 2025.
Predator morphology imposes limitations on prey selection due to biomechanical constraints, making some prey functionally inaccessible and thereby constraining predator trophic niches. We assessed how two key components of trophic morphology—tooth shape and body size—affect prey selectivity and trophic niche in two sympatric sharks with contrasting ...
Sabrina Riverón, Vincent Raoult, David J. Slip, Federico Mas, Martín Laporta, Inés Pereyra, Santiago Silveira, Robert G. Harcourt   +7 more
wiley   +1 more source

Parâmetros genéticos em características morfológicas de bovinos Nelore

Boletim de Indústria Animal, 2014
Este trabalho apresenta os resultados da avaliação morfológica linear, através de notas, atribuídas durante a apreciação individual de bovinos da raça Nelore com idade média de 378 dias, ao final da prova de ganho de peso, realizada na Estação Experimental de Zootecnia de Sertãozinho.
Fausto Pereira Lima, Luiz Martins Bonilha Neto, Alexander Geoerge Razook, Laércio José Pacola, Leopoldo Andrade de Figueiredo, Aristeu Mendes Peixoto   +5 more
openaire   +5 more sources