Results 11 to 20 of about 10,807 (290)
New Caledonian crows learn the functional properties of novel tool types. [PDF]
PLoS ONE, 2011 New Caledonian crows were presented with Bird and Emery's (2009a) Aesop's fable paradigm, which requires stones to be dropped into a water-filled tube to bring floating food within reach.
Alex H Taylor +5 more
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Crows Rival Monkeys in Cognitive Capacity
Scientific Reports, 2017 The present study compares the ‘bandwidth of cognition’ between crows and primates. Working memory is the ability to maintain and manipulate information over short periods of time – a core component of cognition. The capacity of working memory is tightly
Dmitry Balakhonov, Jonas Rose
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Wild Carrion Crows (Corvus corone) Autonomously Respond to Speech but Show No Difference in Their Response to a Local and a Foreign Language [PDF]
Animal Behavior and Cognition, 2023 Eavesdropping on the vocalizations of other species can be beneficial for wildlife to avoid predator encounters, including encounters with humans. Wild-caught large-billed crows in Tokyo responded more to playback of a foreign language than to Japanese ...
Sabrina Schalz
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Animals, 2022 Corvids (crows, magpies, jays) live in a close association with humans, and therefore knowledge about their population status and changes will be an essential part of monitoring the quality of urban environments.
Jukka Jokimäki +2 more
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Patterns of evolution of MHC class II genes of crows (Corvus) suggest trans-species polymorphism [PDF]
PeerJ, 2015 A distinguishing characteristic of genes that code for the major histocompatibility complex (MHC) is that alleles often share more similarity between, rather than within species.
John A. Eimes +4 more
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DIARRHEIC SYNDROME IN BROILER AND SOME WILD BIRDS CAUSED BY ESCHERICHIA COLI [PDF]
Assiut Veterinary Medical Journal, 2021 E. coli is a Gram negative bacterium, although it is normal intestinal inhabitant but some strains due to their virulence genes play a major role in causing diarrhea in birds.
GHADA, O. EL-DEMERDASH +2 more
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Learning & Behavior, 2021 SummaryNieder, Wagener, & Rinnert (Science, 369(6511), 1626–1629, 2020) demonstrated that some neurons in a prefrontal-like brain area of carrion crows signal neither the physical stimulus nor the intended action but the upcoming choice. This pattern of results implies that neural computations for consciousness can be generated by nonmammalian ...
openaire +3 more sources
Journal of Orthopaedic Surgery, 2020 Purpose: This study reports the results of a multimodal thromboprophylaxis protocol for lower limb arthroplasty involving risk stratification, intraoperative calf compression, aspirin prophylaxis and early (within 4 h) post-operative mobilisation ...
Meredith Harrison-Brown +5 more
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Occurrence of Chlamydiaceae in Raptors and Crows in Switzerland
Pathogens, 2020 Bacteria of the family Chlamydiaceae are globally disseminated and able to infect many bird species. So far, 11 species of Chlamydia have been detected in wild birds, and several studies found chlamydial strains classified as genetically intermediate ...
Sandro Stalder +5 more
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