Results 51 to 60 of about 1,210,242 (209)

Acoustic Classification of Bird Species Using an Early Fusion of Deep Features

Birds, 2023
Bird sound classification plays an important role in large-scale temporal and spatial environmental monitoring. In this paper, we investigate both transfer learning and training from scratch for bird sound classification, where pre-trained models are ...
Jie Xie, Mingying Zhu
doaj   +1 more source

Early birds [PDF]

Current Biology, 2004
Concern is growing about the impact of climate change on organisms but there's much uncertainty about its effects. A new European study of two bird species does not provide good news.
openaire   +2 more sources

Bird flocks [PDF]

Current Biology, 2020
Steven Portugal introduces the behavioral and aerodynamic underpinnings of aerial flocking in birds.
openaire   +2 more sources

Ethological risk factors of West nile infection of wild birds in Senegal [PDF]

, 2007
Serological studies performed in 2003, as well as viral isolations demonstrated that West Nile fever (WNF) was endemic in Senegal (West Africa). Large populations of potentially infected birds fly each year from West Africa to Europe.
Baillon, François, Balança, Gilles, Chevalier, Véronique, Gaidet, Nicolas, Lancelot, Renaud, Lefrançois, Thierry, Reynaud, Pierre, Sylla, S.   +7 more
core  

State of India's Birds 2023: A framework to leverage semi‐structured citizen science for bird conservation

Ecosphere
Birds and their habitats are threatened with extinction around the world. Regional assessments of the “State of Birds” are a vital means to prioritize data‐driven conservation action by informing national and global policy.
Ashwin Viswanathan, Karthik Thrikkadeeri, Pradeep Koulgi, Praveen J., Arpit Deomurari, Ashish Jha, Ashwin Warudkar, Kulbhushansingh Suryawanshi, M. D. Madhusudan, Monica Kaushik, Naman Goyal, Rajah Jayapal, Suhel Quader, Sutirtha Dutta, Tarun Menon, Vivek Ramachandran   +15 more
doaj   +1 more source

Avifaunal Diversity and Abundance in the Proposed Sarasalai Mangrove Reserve, Jaffna, Sri Lanka

Birds, 2023
Mangrove ecosystems are excellent habitats for migrating and resident birds. The proposed Sarasalai mangrove reserve is located in one of the richest waterbird zones in Sri Lanka.
Nitharsan Aloysius, Shashi Madhushanka, Chathuri Chandrika   +2 more
doaj   +1 more source

The magnetite-based receptors in the beak of birds and their role in avian navigation [PDF]

, 2012
Iron-rich structures have been described in the beak of homing pigeons, chickens and several species of migratory birds and interpreted as magnetoreceptors.
Wiltschko, Roswitha, Wiltschko, Wolfgang
core   +1 more source

A Local Approach to Better Understand the Spread and Population Growth of the Monk Parakeet as an Invasive Species

Birds, 2022
Invasive exotic species are currently a topic of interest for environmental management agencies and the media. This is due to the socio-economic and environmental problems that they are causing or may cause.
Sandro López-Ramírez, Antonio-Román Muñoz   +1 more
doaj   +1 more source

Assessing the Uncertainty of Total Seabird Bycatch Estimates Synthesized from Multiple Sources with a Scenario Analysis from the Western and Central Pacific

Birds, 2022
Each year, billions of seabirds undertake migrations, connecting remote regions of the world, potentially synchronizing population fluctuations among distant areas. This connectedness has implications for the uncertainty calculations of the total seabird
Can Zhou, Baochao Liao
doaj   +1 more source

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

, 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, Dorrestein, Gerry M, Haesebrouck, Freddy, Klaassen, Corné HW, Martel, An, Pasmans, Frank, Van Waeyenberghe, Lieven, Vercammen, Francis, Verstappen, Frank   +8 more
core   +3 more sources