Results 21 to 30 of about 58,557 (303)

Historical and conceptual aspects of ethno-ornithology [PDF]

open access: yesBiotemas, 2007
Ethno-ornithology describes and analyzes the knowledge of local people, providing a comprehension of the relationships between humans and birds. This work consists of an historical review on ethno-ornithology.
Ângelo Giuseppe Chaves Alves   +1 more
doaj  

Le programme Feederwatch et la politique des grands nombres

open access: yesDéveloppement Durable et Territoires, 2004
Feederwatch program is a project dedicated to counting birds at feeders in the backyard of participants from November to April, since 1988. This program uses statistical means to calculate trends in the evolution of bird populations and areas of ...
Florian Charvolin
doaj   +1 more source

Being There. If the Pairing of the Birdwatchers Affects the Pairing of the Birds

open access: yesRelations, 2022
The drives of inter-individual relationships within avian social groups are largely unexplored and relatively poorly understood, including how social landscapes affect the decisions of individuals within these groups.
Evangelina W. Uskoković   +2 more
doaj   +1 more source

Review of ‘Audubon’s Birds of America’ at the National Museum of Scotland

open access: yes19, 2022
This is a review of the exhibition ‘Audubon’s Birds of America’, held at the National Museum of Scotland, Edinburgh from 12 February to 8 May 2022.
Peter Adkins
doaj   +2 more sources

RECOGNITION RADIO ECHO BIRDS ON THE BASIS OF RADAR MRL-5

open access: yesНаука. Инновации. Технологии, 2022
The article describes computerized radar ornithological system, created on the basis of weather radar MRL-5, allowing automatically to conduct monitoring of bird migration at any time of day.
L. A. Dinevich
doaj  

A Successful Crowdsourcing Approach for Bird Sound Classification

open access: yesCitizen Science: Theory and Practice, 2023
Automated recorders are increasingly used in remote sensing of wildlife, yet automated methods of processing the audio remains challenging. Identifying animal sounds with machine learning provides a solution, but optimizing the models requires annotated ...
Petteri Lehikoinen   +7 more
doaj   +1 more source

Birds: The Art of Ornithology [PDF]

open access: yes, 2018
A review of "Birds: The Art of Ornithology" by Jonathan ...
Jean Marie Carey
core   +1 more source

Habitat suitability models and carrying capacity estimations for rock ptarmigans in a protected area of the Italian Alps [PDF]

open access: yes, 2015
Rock ptarmigan populations in the Alps are suffering an overall decline, and management actions are needed to ensure their conservation. Yet wildlife management and conservation actions are often the consequences of political decisions taken by subjects ...
Nelli, Luca
core   +2 more sources

Osteological correlates of the respiratory and vascular systems in the neural canals of Mesozoic ornithurines Ichthyornis and Janavis

open access: yesThe Anatomical Record, EarlyView.
Abstract In birds, the neural canal houses a variety of anatomical structures including the spinal cord, meninges, spinal vasculature, and respiratory diverticula. Among these, paramedullary diverticula and the extradural dorsal spinal vein may leave behind osteological correlates in the form of pneumatic foramina and fossae, and a bilobed geometry of ...
Jessie Atterholt   +5 more
wiley   +1 more source

ERRATUM. Update on successful nesting of bearded vulture (Gypaetus barbatus) in the Lanzo Valleys, Piedmont region (NW Italy)

open access: yesRivista Italiana di Ornitologia - Research in Ornithology
This erratum corrects the article published in Research in Ornithology, 93 (2): 57-60, 2023 (DOI: 10.4081/rio.2023.690). 
Maurizio Chiereghin   +2 more
doaj   +1 more source

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