Results 61 to 70 of about 10,666 (198)

Sex and Age Effects on Monk Parakeet Home-Range Variation in the Urban Habitat

open access: yesDiversity, 2021
Home-range size is a key aspect of space-use, and variation in home-range size and structure may have profound consequences for the potential impact of damage and control strategies for invasive species.
Juan Carlos Senar   +4 more
doaj   +1 more source

Fit for purpose? Analysis of the relationship between skull, beak shape and feeding ecology in Psittaciformes

open access: yesJournal of Anatomy, EarlyView.
Psittaciformes exhibit high levels of morphological diversity, particularly in skull and beak structure, previously linked to diet and body size. Although there were some levels of significance between diet and beak shape, body mass was a much stronger co‐variate. Diet is not determining beak shape within the clade.
Shannon L. Harrison   +2 more
wiley   +1 more source

History of nonnative Monk Parakeets in Mexico.

open access: yesPLoS ONE, 2017
Nonnative Monk Parakeets have been reported in increasing numbers across many cities in Mexico, and were formally classified as an invasive species in Mexico in late 2016.
Elizabeth A Hobson   +2 more
doaj   +1 more source

Nidificación inusual del Loro Barranquero (Cyanoliseus patagonus) en cavidades naturales de árboles [PDF]

open access: yes, 2018
The Burrowing Parrot Cyanoliseus patagonus is known to breed in burrows mostly on cliffs and ravines in arid or semi‐arid regions of Argentina and Chile.
Berkunsky, Igor   +4 more
core  

Citizen science reveals host‐switching in louse flies and keds (Diptera: Hippoboscidae) during a period of anthropogenic change

open access: yesMedical and Veterinary Entomology, EarlyView.
A study of louse flies in the United Kingdom, Isle of Man, and Ireland found 212 different interactions between Hippoboscidae and their hosts, of which 70 were previously unrecorded. No louse flies were found on aquatic species of birds. Host‐switching to gulls (Laridae) has occurred during a period in which these species have started relying on ...
Denise C. Wawman   +2 more
wiley   +1 more source

Recolonization of Raoul Island by Kermadec red-crowned parakeets Cyanoramphus novaezelandiae cyanurus after eradication of invasive predators, Kermadec Islands archipelago, New Zealand [PDF]

open access: yes, 2009
The Kermadec red-crowned parakeet Cyanoramphus novaezelandiae was driven to extinction on Raoul Island over 150 years ago by introduced cats Felis catus and rats (Rattus norvegicus and R. exulans).
Baird, K.   +4 more
core  

Invisible Victims, Invisible Crimes: Institutional Erasures of Animals as Victims of Cruelty

open access: yesLaw &Policy, Volume 48, Issue 2, April 2026.
ABSTRACT To receive justice in the legal system, one must be seen by the legal system; this is as true for nonhuman animal victims of crime as it is for human victims. Situating animal cruelty within the invisible crimes framework, this paper highlights the paucity of research on prosecutions and sentencing under animal welfare law.
Serrin Rutledge‐Prior
wiley   +1 more source

Vertebrates...and the conflicts in public image [PDF]

open access: yes, 1974
The author explores human perceptions, as influenced by words and the images they conjure in the human brain. People worldwide have formed strong images relating to our environment, both positive and negative: beauty and splendor vs.
Haraldstad, Tormod   +5 more
core  

Classification of bird species from video using appearance and motion features [PDF]

open access: yes, 2018
The monitoring of bird populations can provide important information on the state of sensitive ecosystems; however, the manual collection of reliable population data is labour-intensive, time-consuming, and potentially error prone.
Atanbori   +65 more
core   +3 more sources

The “Pesticide Chip”: Chemical Legacies and Agrarian Futures in Costa Rica

open access: yesAntipode, Volume 58, Issue 2, March 2026.
Abstract For decades, agro‐industrial capital has adopted cascading chemical and biotechnical interventions, or fixes, to secure accumulation through the cultivation of monocrops. We develop a framework that centres on how monocrop‐induced susceptibility to pests and pathogens—and the patchwork of fixes to address these—produces uneven chemical ...
Soledad Castro‐Vargas, Marion Werner
wiley   +1 more source

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