Results 71 to 80 of about 12,265 (257)

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

Paleoenvironmental analysis of the Mangere Formation, Mangere Island, Chatham Islands, New Zealand : a thesis submitted in Earth Science for the degree of Master of Science at Massey University [PDF]

open access: yes, 2006
Mangere Island consists almost entirely of alkali basalt of the late Miocene early Pliocene Rangiauria Formation (Campbell et al., 1993) with outcrops of the sedimentary Tupuangi Formation on the east coast and the Mangere Formation (Campbell, et al ...
Davies, George Sydney Fletcher
core  

How much biotic nativeness matters across human demographic groups

open access: yesConservation Biology, Volume 40, Issue 2, April 2026.
Abstract Many central concepts of conservation biology—such as nativeness—are structured by ecological and social factors. However, the social consequences of using these concepts to make conservation decisions remain inadequately understood. Some researchers argue that nativeness, rather than acting as an objective proxy for important ecological ...
Harold N. Eyster, Rachelle K. Gould
wiley   +1 more source

The relationship between the feather tuft of the uropygial gland and terrestrial/aquatic birds [PDF]

open access: yes, 2013
The bird´s uropygial gland has a papilla in its caudal end and it can also show a feather tuft. These feathers may have a raquis or not. The purpose of our study was to compare the number, dimensions and types of the tuft´s feathers in aquatic and ...
Chiale, Maria Cecilia, Montalti, Diego
core   +1 more source

Variable social organization and breeding system of a social parrot revealed by genetic analysis

open access: yesIbis, Volume 168, Issue 2, Page 451-464, April 2026.
Social organization and contributions to reproduction vary widely within and between species that breed in groups. Such variation often arises from the process of group formation, which drives patterns of relatedness and hence the degree of social conflict and co‐operation between group members.
Francesca S. E. Dawson Pell   +4 more
wiley   +1 more source

Exponential population increase in the endangered Ouvéa Parakeet () after community-based protection from nest poaching [PDF]

open access: yes, 2010
International audienceThe Ouvéa Parakeet (), endemic to Ouvéa Island (Loyalty Islands, New Caledonia, south-west Pacific), is a rainforest bird that is dependent on tree cavities for nesting. It is threatened by deforestation, but also by competition for
Barré, Nicolas   +4 more
core   +2 more sources

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

How to Count Parrots: Comparing the Performance of Point and Transect Counts for Surveying Tasman Parakeets (Cyanoramphus cookii)

open access: yesDiversity
Obtaining precise estimates of population size and trends through time is important for the effective management and conservation of threatened species. For parrots (Psittaciformes: Psittacidae), obtaining such estimates can be challenging, particularly ...
Michael John Adam Skirrow   +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  

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