Results 21 to 30 of about 593 (131)

An agent‐based model determining a successful reintroduction of the extinct passenger pigeon

open access: yesNatural Resource Modeling, Volume 33, Issue 4, November 2020., 2020
Abstract The passenger pigeon (Ectopistes migratorius) was an iconic species in eastern North America that was one of the most numerous birds in the world at the time of European colonization. Passenger pigeons went extinct in 1914 due to excessive hunting.
David C. Elzinga   +4 more
wiley   +1 more source

Improved subtyping affords better discrimination of Trichomonas gallinae strains and suggests hybrid lineages [PDF]

open access: yes, 2019
Trichomonas gallinae is a protozoan pathogen that causes avian trichomonosis typically associated with columbids (canker) and birds of prey (frounce) that predate on them, and has recently emerged as an important cause of passerine disease.
Alrefaei, Abdulwahed   +4 more
core   +1 more source

Automated identification of avian vocalizations with deep convolutional neural networks

open access: yesRemote Sensing in Ecology and Conservation, Volume 6, Issue 1, Page 79-92, March 2020., 2020
Passive acoustic monitoring is a powerful tool for wildlife conservation and research but depends on researchers’ ability to isolate signals of interest in the resulting data. We developed a data‐processing pipeline to automate this task using a deep convolutional neural network to identify the calls of six owl species in field recordings, with ...
Zachary J. Ruff   +6 more
wiley   +1 more source

Experimental Investigation of the Dietary Ecology of the Extinct Passenger Pigeon, Ectopistes migratorius

open access: yesFrontiers in Ecology and Evolution, 2018
For tens of thousands of years, passenger pigeons (Ectopistes migratorius) were a dominant member of eastern North American forest communities, with megaflocks comprising up to several billion individuals. The extinction of passenger pigeons in the early
Ben J. Novak   +5 more
doaj   +1 more source

An Experimental Investigation into the Effects of Traffic Noise on Distributions of Birds: Avoiding the Phantom Road [PDF]

open access: yes, 2013
Many authors have suggested that the negative effects of roads on animals are largely owing to traffic noise. Although suggestive, most past studies of the effects of road noise on wildlife were conducted in the presence of the other confounding effects ...
Barber, Jesse R.   +4 more
core   +1 more source

Long-distance dispersal of pigeons and doves generated new ecological opportunities for host-switching and adaptive radiation by their parasites. [PDF]

open access: yes, 2022
Adaptive radiation is an important mechanism of organismal diversification and can be triggered by new ecological opportunities. Although poorly studied in this regard, parasites are an ideal group in which to study adaptive radiations because of their ...
Allen, J.M.   +9 more
core   +1 more source

Survival rates of band‐tailed pigeons estimated using passive integrated transponder tags [PDF]

open access: yes, 2023
Obtaining survival estimates on the Interior population of band-tailed pigeons (Patagioenas fasciata) is challenging because they are trap shy, but the joint use of passive integrated transponder (PIT) tags and bands is a potential solution.
Carleton, Scott A.   +4 more
core   +1 more source

Reevaluation of band‐tailed pigeon age classification criteria using wing attributes

open access: yesWildlife Society Bulletin, 2014
Age classification is important in understanding aspects of population productivity and dynamics, and making informed harvest management decisions. Since 1994 the U.S.
Todd A. Sanders, Clait E. Braun
doaj   +1 more source

Habitat use of conifer forests for Interior Band-tailed Pigeons is mediated by precipitation

open access: yesAvian Conservation and Ecology, 2022
Although managing habitats in the context of climate change is increasingly important in Western North America, management recommendations are often lacking at fine scales relevant for management.
Beth E. Ross   +5 more
doaj  

The birds of Estação Ecológica Serra Geral do Tocantins [PDF]

open access: yes
A Estação Ecológica Serra Geral do Tocantins (EESGT) é uma das maiores Unidades de Conservação dentro do Bioma Cerrado. A avifauna desta UC foi inventariada entre os dias 25 de janeiro e 15 de fevereiro de 2008.
MACHADO, Érika   +6 more
core   +1 more source

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