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Effects of supplemental food on the behaviour and paternity status of male Indigo Buntings (Passerina cyanea)

Posted on 11. June, 2018.

Breeding is energetically costly and, if energy-limited, birds may alter their time budgets, spending less time engaged in some activities and more time in others. Investigators who have provided breeding birds with supplemental food have noted changes in time budgets, but the extent and types of changes have been found to vary among species. 


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Boldness of urban Australian magpies and local traffic volume

Posted on 14. January, 2015.

In order to successfully colonise the urban environment, birds must be able tolerate pedestrian and vehicle proximity, because exhibiting a strong fleeing response each time that a harmless traffic stimulus is encountered would be maladaptive. 


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Insight into the predictive binding modes of the influenza A neuraminidase in complexes with avian and human receptor analogues

Posted on 13. November, 2014.

In this paper, the binding modes of the influenza A(H7N9) neuraminidase in complexes with avian-type (3′-SLN) and human type (6′-SLN) receptor analogues are investigated by combined homology modelling, molecular docking and quantum mechanical/molecular mechanical (QM/MM) methods.


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Cloning, expression and bioactivity of wild ruddy shelduck (Tadorna ferruginea) interleukin-2

Posted on 15. September, 2014.

Interleukin-2 (IL-2) is one of the most actively studied interleukins; the data on its involvement in the regulation of immune functions confirm its role as a T-cell growth factor. The IL-2 is a powerful growth factor for variety of cell types, plays a central role in the cell differentiation, and stimulates the activity of many kinds of killer cells.


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Does the threat of European Pine Marten (Martes martes) predation influence the height of nests built by Blue Tits (Cyanistes caeruleus) and Great Tits (Parus major)?

Posted on 19. August, 2014.

Nesting in tree cavities evolved and was lost repeatedly in different groups of passerines, resulting in specific patterns between and within avian families.  In Paridae, nesting is almost exclusively restricted to holes in trees.


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Free for 24 hour only - Feather-damaging behaviour in companion parrots

Posted on 18. August, 2014.

Parrots from over 200 species are maintained in zoos, breeding facilities, private homes, etc. In all captive settings, parrots can develop feather-damaging behaviour, in which birds repetitively chew or pluck out their feathers.  Believed to be rare or absent in wild parrots , this behaviour is of concern for many reasons.


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Cross-species utility of 22 microsatellite markers in the Melodious Warbler (Hippolais polyglotta)

Posted on 11. August, 2014.

The Melodious Warbler (Hippolais polyglotta) and the Icterine Warbler (H. icterina) are small, long distance migrating passerines breeding in open to semi-open scrublands or open woodland in the Western Palaearctic.


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Plasticity in nest placement of the Turtle Dove (Streptopelia turtur): experimental evidence from Moroccan agro-ecosystems

Posted on 31. July, 2014.

When selecting a nest placement, birds need to balance several requirements and risks. Indeed, nest location is considered the main adaptive response against nest predation pressure, climatic conditions and human disturbances.


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Gizzard mass dynamics of nestling Rooks Corvus frugilegus

Posted on 24. June, 2014.

In the avian digestive system, the gizzard is of key importance in processing food, but developmental changes of this organ have rarely been studied in nestlings of non-domesticated birds or under natural conditions.


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