Results 31 to 40 of about 2,222 (152)
Sex-specific effects of cooperative breeding and colonial nesting on prosociality in corvids
eLife, 2020 The investigation of prosocial behavior is of particular interest from an evolutionary perspective. Comparisons of prosociality across non-human animal species have, however, so far largely focused on primates, and their interpretation is hampered by the
Lisa Horn +14 more
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Animals, 2021 To study the evolution of humans’ cooperative nature, researchers have recently sought comparisons with other species. Studies investigating corvids, for example, showed that carrion crows and azure-winged magpies delivered food to group members when ...
Lisa Horn +3 more
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Social learning about dangerous people by wild jackdaws [PDF]
Royal Society Open Science, 2019 For animals that live alongside humans, people can present both an opportunity and a threat. Previous studies have shown that several species can learn to discriminate between individual people and assess risk based on prior experience.
Victoria E. Lee +3 more
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Wild jackdaws are wary of objects that violate expectations of animacy [PDF]
Royal Society Open Science, 2018 Nature is composed of self-propelled, animate agents and inanimate objects. Laboratory studies have shown that human infants and a few species discriminate between animate and inanimate objects.
Alison L. Greggor +3 more
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Analysis Of Corvid-19's Impact on Zara Revenue In Light Of Strategic Management Theories
, 2022 This report analyses the impact of Corvid-19 on Zara revenue during 2020 and 2021. There are three Strategic Management Theoretical Tools used in this study: Porter's Five Forces Model and External Factor Analysis Summary (EFAS) for assessing the ...
Suaad Said AalThani, Suaad Said Absullah
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Testing systems of avian perch deterrents on electric power distribution poles in sage-brush habitat
Human-Wildlife Interactions, 2017 In Lincoln County, Washington, USA, greater sage-grouse (Centrocercus urophasianus) and Columbian sharp-tailed grouse (Tympanuchus phasianellus columbianus) are managed as reintroduced and augmented populations, respectively.
James F. Dwyer, Kerrin W. Doloughan
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Ecosphere, 2022 Generalist species can exhibit individual specialization (IS), where individuals adopt specialized foraging behaviors not attributable to age, sex, or social dominance.
Elena H. West, Harrison H. Jones
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Carrion ecology: concepts, interdisciplinary synthesis, and perspectives
Biological Reviews, EarlyView.ABSTRACT Carrion is a ubiquitous resource in both terrestrial and aquatic ecosystems, yet it has long been overlooked in ecological research. Over the past two decades, studies on carrion and the many organisms that exploit it have flourished, revealing not only wide‐ranging ecological functions but also significance far beyond ecology.
Marcos Moleón +38 more
wiley +1 more source
Rapid Learning and Long-Term Memory for Dangerous Humans in Ravens (Corvus corax)
Frontiers in Psychology, 2020 Like many predatory species, humans have pronounced individual differences in their interactions with potential prey: some humans pose a lethal threat while others may provide valuable resources.
C. R. Blum +4 more
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The Role of Birds of the Family Corvidae in Transmitting Sarcocystis Protozoan Parasites
Animals, 2021 Members of the family Corvidae are ecologically flexible omnivorous birds, particularly adaptive to urban habitats, and living in proximity to humans; these birds may serve as definitive hosts (DH) for Sarcocystis spp., but research about this is lacking.
Evelina Juozaitytė-Ngugu +5 more
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