Scientific Articles

Jackdaw (Corvus monedula)

1. Eyes at the nest can scare off intruders (royalsocietypublishing.org)
   2014. Original title: Salient eyes deter conspecific nest intruders in wild jackdaws ( Corvus monedula ). DOI. free full text/open copy.
2. Voice signals and joint decisions for group departures (cell.com)
   2022. Original title: Vocally mediated consensus decisions govern mass departures from jackdaw roosts. DOI. free full text/open copy.
3. Air vortices in slow flight (journals.biologists.com)
   1986. Original title: The Wake of A Jackdaw (Corvus Monedula) in Slow Flight. DOI. free full text/open copy.
4. Sharing food and objects builds social bonds in young birds (doi.org)
   2007. Original title: The role of food- and object-sharing in the development of social bonds in juvenile jackdaws (Corvus monedula). DOI. DOI or article page.
5. Food sharing: what, why and with whom? (doi.org)
   2006. Original title: Food sharing in jackdaws, Corvus monedula: what, why and with whom?. DOI. DOI or article page.
6. Object play and combined actions in corvids (doi.org)
   2014. Original title: Combinatory actions during object play in psittaciformes (Diopsittaca nobilis, Pionites melanocephala, Cacatua goffini) and corvids (Corvus corax, C. monedula, C. moneduloides).. DOI. DOI or article page.
7. Hatching order, growth and flightiness of chicks (doi.org)
   2003. Original title: Sex‐specific hatching order, growth rates and fledging success in jackdaws Corvus monedula. DOI. DOI or article page.
8. Social structure and curiosity about new food in captivity (doi.org)
   1983. Original title: Relationships Between Social Structure and Response To Novelty in Captive Jackdaws, Corvus Monedula L. Ii. Response To Novel Palatable Food. DOI. DOI or article page.
9. Extra food and nesting results (doi.org)
   1996. Original title: Effects of experimental food provisioning on reproduction in the Jackdaw Corvus monedula, a semi‐colonial species. DOI. DOI or article page.
10. Prosocial choices depending on recipient (journals.plos.org)
    2012. Original title: Recipients Affect Prosocial and Altruistic Choices in Jackdaws, Corvus monedula. DOI. free full text/open copy.

Rook (Corvus frugilegus)

1. Understanding of physical contact (doi.org)
   2006. Original title: What do rooks (Corvus frugilegus) understand about physical contact?. DOI. DOI or article page.
2. Recognition of siblings (doi.org)
   1984. Original title: Sibling recognition in the rook (). DOI. DOI or article page.
3. Foraging strategies (doi.org)
   2010. Original title: Foraging Strategies of Rooks (Corvus frugilegus): A Simulation. DOI. DOI or article page.
4. H5 avian influenza and infectiousness (doi.org)
   2020. Original title: Pathogenicity of H5 highly pathogenic avian influenza virus in rooks (Corvus frugilegus). DOI. DOI or article page.
5. Social influence on foraging (doi.org)
   2008. Original title: Social influences on foraging by rooks (Corvus frugilegus). DOI. DOI or article page.
6. Tool use (doi.org)
   1982. Original title: Tool-use by a rook (Corvus frugilegus), and its causation. DOI. DOI or article page.
7. Physical problem solving (cell.com)
   2006. Original title: Investigating Physical Cognition in Rooks, Corvus frugilegus. DOI. free full text/open copy.
8. Cooperation in problem solving (ncbi.nlm.nih.gov)
   2008. Original title: Cooperative problem solving in rooks ( Corvus frugilegus ). DOI. free full text/open copy.
9. Social contact after conflict (cell.com)
   2007. Original title: Postconflict Third-Party Affiliation in Rooks, Corvus frugilegus. DOI. free full text/open copy.
10. Hormonal changes during spring and autumn (doi.org)
    1980. Original title: Endocrine changes associated with spring and autumn sexuality of the Rook, Corvus frugilegus. DOI. DOI or article page.

Carrion crow and Hooded crow (Corvus corone and Corvus cornix)

1. Food, predation and breeding performance (doi.org)
   1974. Original title: The Effect of Food and Predation on Breeding Density and Success, Clutch Size and Laying Date of the Crow (Corvus corone L.). DOI. DOI or article page.
2. Habitat, growth and fitness (doi.org)
   1989. Original title: Habitat-Specific Growth and Fitness in Carrion Crows (Corvus corone corone). DOI. DOI or article page.
3. Object permanence and object tracking (doi.org)
   2011. Original title: Ontogeny of object permanence and object tracking in the carrion crow, Corvus corone. DOI. DOI or article page.
4. Urbanization in Finnish cities (doi.org)
   2002. Original title: Urban development from an avian perspective: causes of hooded crow (Corvus corone cornix) urbanisation in two Finnish cities. DOI. DOI or article page.
5. How reduced growth affects life history (doi.org)
   1989. Original title: Life-History Consequences of Growth Rate Depression: An Experimental Study on Carrion Crows (Corvus corone corone L.). DOI. DOI or article page.
6. Cooperative breeding in northern Spain (doi.org)
   2002. Original title: COOPERATIVELY BREEDING GROUPS OF CARRION CROW(CORVUS CORONE CORONE) IN NORTHERN SPAIN. DOI. DOI or article page.
7. Direct benefits of group living (doi.org)
   2002. Original title: Direct fitness benefits of group living in a complex cooperative society of carrion crows, Corvus corone corone. DOI. DOI or article page.
8. Kinship and help with children (doi.org)
   2004. Original title: Effect of parentage and relatedness on the individual contribution to cooperative chick care in carrion crows Corvus corone corone. DOI. DOI or article page.
9. Group size and nesting results (doi.org)
   2007. Original title: Reproductive success increases with group size in cooperative carrion crows, Corvus corone corone. DOI. DOI or article page.
10. Colonization and choice of places to live in an urban environment (hdl.handle.net)
    2014. Original title: Recent colonization and nest site selection of the Hooded Crow (Corvus corone cornix L.) in an urban environment. DOI. free full text/open copy.

Raven (Corvus corax)

1. Learning and raiding food caches (doi.org)
   2002. Original title: Observational learning and the raiding of food caches in ravens, Corvus corax: is it ‘tactical’ deception?. DOI. DOI or article page.
2. Eye tracking around obstacles (ncbi.nlm.nih.gov)
   2004. Original title: Ravens,Corvus corax, follow gaze direction of humans around obstacles. DOI. free full text/open copy.
3. Difference between knowledgeable and ignorant competitors (ncbi.nlm.nih.gov)
   2005. Original title: Ravens, Corvus corax , differentiate between knowledgeable and ignorant competitors. DOI. free full text/open copy.
4. Forage at carcasses in winter (doi.org)
   1988. Original title: Winter foraging at carcasses by three sympatric corvids, with emphasis on recruitment by the raven, Corvus corax. DOI. DOI or article page.
5. Problem solving and insight (doi.org)
   1995. Original title: An Experimental Investigation of Insight in Common Ravens (Corvus corax). DOI. DOI or article page.
6. How competitors affect food caches (doi.org)
   1998. Original title: Influence of competitors on caching behaviour in the common raven,Corvus corax. DOI. DOI or article page.
7. Contact with wolves during winter foraging (doi.org)
   2002. Original title: Common ravens, Corvus corax, preferentially associate with grey wolves, Canis lupus, as a foraging strategy in winter. DOI. DOI or article page.
8. Genetic History in the Old and New Worlds (doi.org)
   2006. Original title: Genetic signatures of intermediate divergence: population history of Old and New World Holarctic ravens (Corvus corax). DOI. DOI or article page.
9. Tolerance, reward and cooperation (nature.com)
   2015. Original title: Tolerance and reward equity predict cooperation in ravens (Corvus corax). DOI. free full text/open copy.
10. Development of eye tracking (doi.org)
    2007. Original title: Gaze following in common ravens, Corvus corax: ontogeny and habituation. DOI. DOI or article page.

Magpie (Pica pica)

1. Mirror test and self-recognition (journals.plos.org)
   2008. Original title: Mirror-Induced Behavior in the Magpie (Pica pica): Evidence of Self-Recognition. DOI. free full text/open copy.
2. Couple monitoring (doi.org)
   1979. Original title: Mate guarding in the magpie Pica pica. DOI. DOI or article page.
3. Extra food and nesting success (doi.org)
   1981. Original title: Effect of Additional Food on Reproductive Success in the Magpie (Pica pica). DOI. DOI or article page.
4. What-where-when memory (doi.org)
   2008. Original title: What–Where–When memory in magpies (Pica pica). DOI. DOI or article page.
5. Population, gene flow and cuckoo parasitism (academic.oup.com)
   1999. Original title: COMPARATIVE POPULATION STRUCTURE AND GENE FLOW OF A BROOD PARASITE, THE GREAT SPOTTED CUCKOO (CLAMATOR GLANDARIUS), AND ITS PRIMARY HOST, THE MAGPIE (PICA PICA). DOI. free full text/open copy.
6. Object permanence in food-hoarding birds (doi.org)
   2000. Original title: Development of object permanence in food-storing magpies (Pica pica).. DOI. DOI or article page.
7. Immune defense in offspring in replacement litters (ncbi.nlm.nih.gov)
   1997. Original title: Reduced immunocompetence of nestlings in replacement clutches of the European magpie (Pica pica). DOI. free full text/open copy.
8. The value of young and defense of the nest (doi.org)
   1989. Original title: Offspring reproductive value and nest defense in the magpie (Pica pica). DOI. DOI or article page.
9. Selective feeding of greater spotted cuckoo chicks (doi.org)
   1995. Original title: Preferential allocation of food by magpies Pica pica to great spotted cuckoo Clamator glandarius chicks. DOI. DOI or article page.
10. Begging young and predation risk (doi.org)
    1992. Original title: The increase in risk of predation with begging activity in broods of Magpies Pica pica. DOI. DOI or article page.

Jay (Garrulus glandarius)

1. Tool use and learning (doi.org)
   2011. Original title: Tool-use and instrumental learning in the Eurasian jay (Garrulus glandarius). DOI. DOI or article page.
2. Object Permanence (doi.org)
   2007. Original title: Piagetian object permanence and its development in Eurasian jays (Garrulus glandarius). DOI. DOI or article page.
3. Planning for future needs (royalsocietypublishing.org)
   2011. Original title: Eurasian jays ( Garrulus glandarius ) overcome their current desires to anticipate two distinct future needs and plan for them appropriately. DOI. free full text/open copy.
4. Social rank, breeding success and population (doi.org)
   1990. Original title: Despotic Distribution, Unequal Reproductive Success, and Population Regulation in the Jay Garrulus Glandarius L.. DOI. DOI or article page.
5. How warblers react to nest predators (doi.org)
   1991. Original title: Responses of breeding Reed Warblers Acrocephalus scirpaceus to mounts of Sparrowhawk Accipiter nisus, Cuckoo Cuculus canorus and Jay Garrulus glandarius. DOI. DOI or article page.
6. Selection of acorns (doi.org)
   2007. Original title: Not only size matters: Acorn selection by the European jay (Garrulus glandarius). DOI. DOI or article page.
7. Red squirrels react to the warning sound (doi.org)
   2006. Original title: Red Squirrels (Sciurus vulgaris) Respond to Alarm Calls of Eurasian Jays (Garrulus glandarius). DOI. DOI or article page.
8. Spread of acorns from different oak species (pureportal.coventry.ac.uk)
   2014. Original title: Predation and dispersal of acorns by European Jay ( Garrulus glandarius ) differs between a native (Pedunculate Oak Quercus robur ) and an introduced oak species (Northern Red Oak Quercus rubra ) in Europe. DOI. free full text/open copy.
9. Quieter food hiding places when someone might steal (royalsocietypublishing.org)
   2012. Original title: Careful cachers and prying pilferers: Eurasian jays ( Garrulus glandarius ) limit auditory information available to competitors. DOI. free full text/open copy.
10. Strategies for hiding or stealing food (doi.org)
    2012. Original title: Eurasian jays, Garrulus glandarius, flexibly switch caching and pilfering tactics in response to social context. DOI. DOI or article page.

Nutcracker (Nucifraga caryocatactes)

1. Rediscovering hidden seeds (doi.org)
   1980. Original title: Recovery of Cached Seeds by a CaptiveNucifraga caryocatactes. DOI. DOI or article page.
2. The shape and function of the tongue (doi.org)
   2010. Original title: Functional Morphology of the Tongue in the Nutcracker (Nucifraga caryocatactes). DOI. DOI or article page.
3. Territory of thick-billed form (doi.org)
   1956. Original title: TERRITORY IN THE THICK‐BILLED NUTCRACKER NUCIFRAGA CARYOCATACTES.. DOI. DOI or article page.
4. Beef harvest, invasions and movements in Europe (doi.org)
   1933. Original title: The Crop of Cedar Nuts, Invasions Into Europe of the Siberian Nutcracker (Nucifraga caryocatactes macrorhynchus Brehm) and Fluctuations in Numbers of the Squirrel (Sciurus vulgaris L.). DOI. DOI or article page.
5. Resources and autumn movements in the Alps (doi.org)
   1999. Original title: Effects of resource availability and distribution on autumn movements of the Nutcracker Nucifraga caryocatactes in the Alps. DOI. DOI or article page.
6. Ecology and role in cembra tall forest (ci.nii.ac.jp)
   1978. Original title: Der Tannenhäher (Nucifraga caryocatactes (L.)) im Engadin : Studien zu seiner Ökologie und Funktion im Arvenwald (Pinus cembra L.). DOI or article page.
7. Genetic structure in the Palearctic (doi.org)
   2014. Original title: Limited geographic genetic structure detected in a widespread Palearctic corvid, Nucifraga caryocatactes. DOI. free full text/open copy.
8. Home range and habitat choice in autumn (doi.org)
   1996. Original title: Home range and habitat selection by the Nutcracker Nucifraga caryocatactes during autumn in the Alps. DOI. DOI or article page.
9. Influence on the rejuvenation of the Cembra talla (agris.fao.org)
   1998. Original title: Impact of nutcracker (Nucifraga caryocatactes L.) on the spatial distribution of Swiss stone pine (Pinus cembra L.) regeneration. DOI or article page.
10. Weather, pine nuts and invasion wounds (zin.ru)
    2009. Original title: Relationship between weather conditions, crops of Siberian pine nuts, and irruptions of Siberian Nutcrackers Nucifraga caryocatactes macrorhynchos C.L. Brehm in Siberia and Europe. DOI or article page.

Red-billed chough (Pyrrhocorax pyrrhocorax)

1. Age and breeding performance (onlinelibrary.wiley.com)
   2003. Original title: Age‐specific reproductive performance in red‐billed choughs Pyrrhocorax pyrrhocorax: patterns and processes in a natural population. DOI. free full text/open copy.
2. Environmental variation and life history (onlinelibrary.wiley.com)
   2003. Original title: Environmental variability, life‐history covariation and cohort effects in the red‐billed choughPyrrhocorax pyrrhocorax. DOI. free full text/open copy.
3. Tourism and threats to wild populations (onlinelibrary.wiley.com)
   2009. Original title: Tourism in protected areas can threaten wild populations: from individual response to population viability of the chough Pyrrhocorax pyrrhocorax. DOI. free full text/open copy.
4. Demographic factors behind population growth (onlinelibrary.wiley.com)
   2004. Original title: Identifying the demographic determinants of population growth rate: a case study of red‐billed choughs Pyrrhocorax pyrrhocorax. DOI. free full text/open copy.
5. Traditional agriculture and important foraging areas (onlinelibrary.wiley.com)
   1998. Original title: Traditional farming and key foraging habitats for chough Pyrrhocorax pyrrhocorax conservation in a Spanish pseudosteppe landscape. DOI. free full text/open copy.
6. Vigilance and distance to neighbors when foraging (doi.org)
   2001. Original title: Vigilance and neighbour distance in foraging flocks of red‐billed choughs, Pyrrhocorax pyrrhocorax. DOI. DOI or article page.
7. Body shape and geographic variation in the two species (doi.org)
   2001. Original title: Ecogeographic correlates of morphometric variation in the Red‐billed Chough Pyrrhocorax pyrrhocorax and the Alpine Chough Pyrrhocorax graculus. DOI. DOI or article page.
8. Buildings as residences (hdl.handle.net)
   1997. Original title: Role of buildings as nest-sites in the range expansion and conservation of choughs Pyrrhocorax pyrrhocorax in Spain. DOI. free full text/open copy.
9. Environmental factors and pre-breeding survival (doi.org)
   2008. Original title: Investigating patterns and processes of demographic variation: environmental correlates of pre‐breeding survival in red‐billed choughs Pyrrhocorax pyrrhocorax. DOI. DOI or article page.
10. Territory quality and breeding success (hal.science)
    2006. Original title: Linking territory quality and reproductive success in the Red‐billed Chough Pyrrhocorax pyrrochorax : implications for conservation management of an endangered population. DOI. free full text/open copy.

Alpine chough (Pyrrhocorax graculus)

1. Body shape and geographic variation in the two species (doi.org)
   2001. Original title: Ecogeographic correlates of morphometric variation in the Red‐billed Chough Pyrrhocorax pyrrhocorax and the Alpine Chough Pyrrhocorax graculus. DOI. DOI or article page.
2. Size differences between the sexes and partner choice (academic.oup.com)
   2001. Original title: Sexual Size Dimorphism and Positive Assortative Mating in Alpine Choughs (Pyrrhocorax graculus). DOI. free full text/open copy.
3. Feeding in the two species in the Alps (doi.org)
   1997. Original title: A comparative analysis of the diets of the Chough Pyrrhocorax pyrrhocorax and the Alpine Chough Pyrrhocorax graculus coexisting in the Alps. DOI. DOI or article page.
4. Breeding biology and survival (doi.org)
   1995. Original title: Breeding biology and survival of the Alpine Chough Pyrrhocorax graculus. DOI. DOI or article page.
5. Seasonal variation in food and population density (hal.science)
   1999. Original title: The diet of the Chough (Pyrrhocorax pyrrhocorax) and the Alpine Chough (Pyrrhocorax graculus ) in the Alps : seasonality, resource partitioning and population density. DOI. free full text/open copy.
6. What affects flock size? (doi.org)
   1994. Original title: Factors affecting flock size in the Alpine Chough Pyrrhocorax graculus. DOI. DOI or article page.
7. Urban environment and flexible foraging ecology in winter (hal.science)
   2003. Original title: Urbanization and the flexibility of the foraging ecology of the Alpine Chough Pyrrhocorax graculus in winter. DOI. free full text/open copy.
8. Foraging behavior where the two species live together (onlinelibrary.wiley.com)
   1997. Original title: A comparative analysis of the foraging behaviour of the Chough Pyrrhocorax pyrrhocorax and the Alpine Chough Pyrrhocorax graculus coexisting in the Alps. DOI. free full text/open copy.
9. Comparison of breeding biology in the two species (onlinelibrary.wiley.com)
   2001. Original title: A comparative analysis of the breeding biology of the Red‐billed Chough Pynhocorax pyrrhocorax and the Alpine Chough P. graculus coexisting in the Alps. DOI. free full text/open copy.
10. How herd life affects foraging (doi.org)
    1997. Original title: The influence of flocking on the foraging behaviour of the chough (Pyrrhocorax pyrrhocorax) and the Alpine chough (P. graculus) coexisting in the Alps. DOI. DOI or article page.