Results 31 to 40 of about 10,615 (210)

The fast and forceful kicking strike of the secretary bird [PDF]

open access: yes, 2016
The study of animal locomotion has uncovered principles that can be applied to bio-inspired robotics, prosthetics and rehabilitation medicine, while also providing insight into musculoskeletal form and function [1, 2, 3, 4].
Biewener   +13 more
core   +3 more sources

Estimating egg mass-body mass relationships in birds [PDF]

open access: yes, 2020
The mass of a bird’s egg is a critical attribute of the species’ life history and represents a fundamental component of reproductive effort. Indeed, the tradeoff between the number of eggs in a clutch and clutch mass lies at the heart of understanding ...
Balasubramaniam, Priya   +1 more
core  

LAS CODORNICES DE BOSQUES Y SELVAS. RETOS DE MANEJO Y CONSERVACIÓN DE LA FAUNA SILVESTRE

open access: yesRevista Mexicana de Ciencias Forestales, 2018
Las codornices que habitan en bosques y selvas representan un buen modelo para analizar los retos que representan tanto el manejo como la conservación de la fauna silvestre, debido a su estrecha dependencia hacia esos ecosistemas.
Gilberto Chávez-León
doaj   +1 more source

China's most endangered galliform [PDF]

open access: yesOryx, 1988
The few remaining forests where the Sichuan hill-partridge lives are all being logged. This species, with its very restricted range, is one of China's most endangered birds and yet it has no protection at all. The authors say a reserve should be set aside for the partridge before it is too late; such action could save not only this species but others ...
Ben King, Li Guiyuan
openaire   +1 more source

L'authentification rapide des poulets de chair sous label: distinction entre poulets issus de souches à croissance lente ou rapide par la spectrometrie dans le proche infrarouge. Analytical methods for the authentification of agro-food products. Gembloux (Belgium). 20 Oct 1999 [PDF]

open access: yesBiotechnologie, Agronomie, Société et Environnement, 2000
Rapid authentification of certified chicken meat: distinguishing slow and fast growing chicken strains using near infrared reflectance spectroscopy.
Fumiere O., Sinnaeve G., Dardenne P.
doaj  

Infraspecific phenotypic variation of the California Quail (Callipepla californica, Aves: Odontophoridae) from Baja California peninsula, Mexico

open access: yesHuitzil, 2018
To determine useful diagnostic characters for infraspecific taxonomic identification of California Quail (Callipepla californica) from Baja California peninsula, we compared phenotypically four nominal subspecies by means of multivariate statistical ...
María Cabrera-Huerta   +4 more
doaj   +1 more source

Does more sequence data improve estimates of galliform phylogeny? Analyses of a rapid radiation using a complete data matrix [PDF]

open access: yes, 2014
The resolution of rapid evolutionary radiations or “bushes” in the tree of life has been one of the most difficult and interesting problems in phylogenetics. The avian order Galliformes appears to have undergone several rapid radiations that have limited
Edward L. Braun, Rebecca T. Kimball
core   +1 more source

Microsatellite typing of avian clinical and environmental isolates of Aspergillus fumigatus [PDF]

open access: yes, 2011
Aspergillosis is one of the most common causes of death in captive birds. Aspergillosis in birds is mainly caused by Aspergillus fumigatus, a ubiquitous and opportunistic saprophyte.
Beernaert, Lies   +8 more
core   +3 more sources

GalliForm, a database of Galliformes occurrence records from the Indo-Malay and Palaearctic, 1800–2008 [PDF]

open access: yesScientific Data, 2020
AbstractHistorical as well as current species distribution data are needed to track changes in biodiversity. Species distribution data are found in a variety of sources, each of which has its own distinct bias toward certain taxa, time periods or places.
Boakes, Elizabeth H.   +19 more
openaire   +5 more sources

Svalbard rock ptarmigan: a first glimpse into parasite infections

open access: yesPolar Research
Natural ecosystems are under stress due to climate change and impacts are especially prominent at high latitudes. Manifestations of these changes include northward shifts in the distribution of birds, phenological mismatches, improved survival of ...
Ólafur K. Nielsen   +3 more
doaj   +1 more source

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