Vocal mimicry in Corvids [PDF]
Animal CognitionVocal mimicry, the copying of sounds produced by another species or the environment, is commonly described in vocal learners, such as songbirds. Understanding the functions of vocal mimicry can help to uncover the evolutionary drivers of vocal learning ...
Claudia A.F. Wascher +2 more
doaj +5 more sources
Evolutionary drivers of caching behaviour in corvids [PDF]
Animal CognitionCaching has recurrently evolved across a range of animal taxa to withstand fluctuations in food availability and in the context of intraspecific competition.
Fran Daw +2 more
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Eurasian jays do not copy the choices of conspecifics, but they do show evidence of stimulus enhancement [PDF]
PeerJ, 2016 Corvids (birds in the crow family) are hypothesised to have a general cognitive tool-kit because they show a wide range of transferrable skills across social, physical and temporal tasks, despite differences in socioecology.
Rachael Miller +3 more
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Wild jackdaws recognise the contact calls of their mate [PDF]
Animal CognitionIn stable social environments, the ability to recognise other group members and integrate individual cues with previous experience is likely to be beneficial in mediating social interactions.
Victoria E. Lee +2 more
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Dimensions of corvid consciousness. [PDF]
Anim CognAbstract Corvids have long been a target of public fascination and of scientific attention, particularly in the study of animal minds. Using Birch et al.’s (2020) 5-dimensional framework for animal consciousness we ask what it is like to be a corvid and propose a speculative but empirically informed answer.
Veit W +5 more
europepmc +5 more sources
The Neophobia Hypothesis: nest decoration in birds may reduce predation by corvids [PDF]
Royal Society Open ScienceMany birds suffer heavily from nest predation, selecting several behaviours to avoid the risk. Corvids are among the most serious nest predators. However, they are also among the most neophobic of any birds.
Magne Husby, Tore Slagsvold
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Wildfire-Driven Shifts in Bird and Red Fox Activity: A Case Study from Biebrza National Park [PDF]
BiologyFires of natural or anthropogenic origin shape some ecosystems on Earth; this disturbance can maintain the landscape and influence many processes like vegetation structure, carbon, and hydrological cycle, climate, and others [...]
Jakub Gryz +2 more
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Opportunistic Tool Use by Two Unexpected Corvid Species [PDF]
Ecology and EvolutionThis Nature note reports the first documented instance of tool use in Sunda crows (Corvus enca) and provides additional evidence of this ability in house crows (Corvus splendens).
Tanita Giri, Elias Garcia‐Pelegrin
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Prevalence and Toxoplasma gondii Genotypes Circulating in Five Wild Corvid Species from Romania [PDF]
PathogensThe apicomplexan parasite Toxoplasma gondii can potentially infect all warm-blooded animals, including birds, which, due to their high dispersal capabilities, are considered a significant candidate group of sentinel animals that reveal environmental ...
Călin Mircea Gherman +8 more
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From Removal to Selective Control: Perspectives on Predation Management in Spanish Hunting Grounds [PDF]
AnimalsHistorically, predator control has been a frequent practice conducted in the hunting grounds of Spain. After the approval of Law 42/2007 on Natural Heritage and Biodiversity, and the enforcement of international regulations, predator control methods are ...
José A. Torres +4 more
doaj +2 more sources