Results 61 to 70 of about 34,648 (240)

The flexible, the stereotyped and the in‐between: putting together the combinatory tool use origins hypothesis

Biological Reviews, EarlyView.
ABSTRACT Tool use research has long made the distinction between tool using that is considered learned and flexible, and that which appears to be instinctive and stereotyped. However, animals with an inherited tool use specialisation can exhibit flexibility, while tool use that is spontaneously innovated can be limited in its expression and facilitated
Jennifer A. D. Colbourne, Alice M. I. Auersperg   +1 more
wiley   +1 more source

Comparing the productive vocabularies of grey parrots (Psittacus erithacus) and young children

Animal Cognition
Due to their outstanding ability of vocal imitation, parrots are often kept as pets. Research has shown that they do not just repeat human words. They can use words purposefully to label objects, persons, and animals, and they can even use conversational
Tereza Roubalová, Lucie Jarůšková, Kateřina Chládková, Jitka Lindová   +3 more
doaj   +1 more source

Summary Account of the Carolina Parakeet in Arkansas [PDF]

, 1984
The extinct Carolina Parakeet (Conuropsis carolinensis) once was part of the Arkansas avifauna. The first two reports of the species in what is now Arkansas were made in 1673 and 1718 by early French explorers.
James, Douglas A., McKinley, Daniel
core   +2 more sources

Beyond mammals: the evolution of chewing and other forms of oropharyngeal food processing in vertebrates

Biological Reviews, EarlyView.
ABSTRACT Oropharyngeal food processing exhibits a remarkable diversity among vertebrates, reflecting the evolution of specialised ‘processing centres’ associated with the mandibular, hyoid, and branchial arches. Although studies have detailed various food‐processing strategies and mechanisms across vertebrates, a coherent and comprehensive terminology ...
Daniel Schwarz, Maja Mielke, Stephan Handschuh, Anthony Herrel, Patrick Lemell, Léa Da Cunha, Nicolai Konow   +6 more
wiley   +1 more source

Preen Gland-Secreted Alkanols Enhance Male Attractiveness in Parrots [PDF]

, 2008
The skin glands are widely used in pheromone production throughout the vertebrate worlds. Growing evidences show that birds also have chemical communication, but the uropygial (also called preen or oil) glands, serving as only specialized skin glands of ...
Jian-Xu Zhang, Jin-Hua Zhang, Wei Wei
core   +1 more source

Powering Transparency: Global Drivers of Sustainability Reporting in the Electricity Sector

Business Strategy and the Environment, EarlyView.
ABSTRACT We examine the drivers of sustainability reporting quality (QSR), conceptualised along two complementary dimensions, relevance and reliability, to assess how firm‐level attributes and institutional conditions jointly shape disclosure practices in the electricity sector.
Alva Marasigan, Muhammad Nurul Houqe, Warwick Stent, Olayinka Moses   +3 more
wiley   +1 more source

Effects of cold winters and roost site stability on population development of non-native Asian ring-necked parakeets (Alexandrinus manillensis) in temperate Central Europe – Results of a 16-year census [PDF]

, 2018
Asian ring-necked parakeets (Alexandrinus manillensis, formerly Psittacula krameri, hereafter RNP) first bred in Germany in 1969. Since then, RNP numbers increased in all three major German subpopulations (Rhineland, Rhine-Main, Rhine-Neckar ...
Bauer, Andreas, Braun, Markus S, Braun, Michael P., Braun, Nicole, Bruslund, Nicole, Bruslund, Simon, Dreyer, Wolfgang, Franz, Detlev, Groß, Bernadette, Hubatsch, Markus, Kemper, Achim, Koch, Esther, Kragten, Steven, Krause, Tobias, Kremer, Phillip, Laucht, Silke, Nekum, Sven, Pârâu, Liviu G, Reinke-Beck, Mirjam I, Romero, Jana, Sauer-Gürth, Hedwig, Schidelko, Kathrin, Stiels, Darius, Walter, Claus, Wink, Michael   +24 more
core   +2 more sources

Integrating the Gestalt Model of Self With Psychedelic‐Assisted Psychotherapy

The Journal of Humanistic Counseling, EarlyView.
ABSTRACT This theoretical integration paper employs a conceptual analysis methodology to synthesize the Gestalt model of self‐as‐process with Psychedelic Somatic Interactional Psychotherapy (PSIP). Unlike traditional psychedelic therapy models that defer therapeutic engagement to postsession integration, PSIP emphasizes an active, directive therapeutic
Travis R. Fox
wiley   +1 more source

Visitation patterns of endangered grey parrots (Psittacus erithacus) in a forest clearing in the Democratic Republic of the Congo

Ecology and Evolution
The grey parrot (Psittacus erithacus), once abundant, has become increasingly threatened due to the combined effects of capture for the global pet trade and habitat loss. Although grey parrots are well studied in captivity, effective conservation efforts
C. Fastré, B. Igwili, F. Van de Perre, Y. van derHoek   +3 more
doaj   +1 more source

Psittacid Adenovirus-2 infection in the critically endangered orange-bellied parrot (Neophema chrysogastor): A key threatening process or an example of a host-adapted virus?

PLoS ONE, 2019
Psittacid Adenovirus-2 (PsAdv-2) was identified in captive orange-bellied parrots (Neophema chrysogastor) during a multifactorial cluster of mortalities at the Adelaide Zoo, South Australia, and an outbreak of Pseudomonas aeruginosa septicaemia at the ...
Nian Yang, Jennifer McLelland, David J McLelland, Judy Clarke, Lucy Woolford, Paul Eden, David N Phalen   +6 more
doaj   +1 more source