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Observations & colour-ringing in the Visegrád Hills

Jan 10, 2019 / Comment

Short-toed Eagle nesting in the Visegrád MountainsThis video footage was taken by Vince Schwartz. It presents the Short-toed Eagle pair nesting in the Visegrád Hills /map/ as well as the hunting of the male of an immature pair settled in the neighbouring Pilis Hills /map/ in 2018.

Please, read the more detailed explanation by the author:

• Vince SCHWARTZ, 2018 – Nesting of Short-toed Eagles in the Visegrád Hills in 2015-2018 // short-toed-eagle.net (En).

Many thanks to Gábor Papp for his kind help in preparing this post!

 

Monitoring of Short-toed Eagle in France in 2017

Dec 11, 2018 / Comment

The total scale of collected data in the journal of the ST Eagle national monitoringSummary table of Short-toed Eagle monitoring data program in France is amazing and deserves special attention (Fr):

Cahier de la surveillance 2017. Circaète Jean-le-Blanc Circaetus gallicus [Journal of the Short-toed Eagle monitoring in 2017] // short-toed-eagle.net.

Thanks a lot to Renaud Nadal for sharing that remarkable review!

 

Flying and visual abilities of Circaetus gallicus

Dec 20, 2015 / Comment

The following two texts are dedicated to notable physical abilities of Short-toed Eagles andNormal angle of inclination of Short-toed Eagle flying up, like the previous one of Bernard Joubert, are going to be included in the next issue of La Plume du Circaète (Fr):

• Bernard JOUBERT, 2015 – Performance visuelle du Circaète [Visual abilities of Short-toed Eagle] // short-toed-eagle.net.

• Bernard JOUBERT, 2015 – Quelques réflexions sur le vol [Some reflections on the flight] // short-toed-eagle.net.

 

Aging and sexing of ST Eagles in the nature

Dec 7, 2015 / Comment

A typically coloured adult Short-toed Eagle female, photo by András KovácsReturning to the important topic of correct identification of differently aged Short-toed Eagles in the nature, Gábor Papp has tried to briefly describe the main characters of juvenile, 2, 3 and 4 cy eagles, and also visual differences between adult males and females. His description are illustrated with the corresponding images. Here is two versions of the text, Hungarian and English ones:

• Gábor PAPP, 2015 – A kígyászölyv kor és ivarhatározása – segédlet a terepi megfigyelések minőségének javításához [Ageing and sexing of the Short-toed Eagle – an aid to improve the quality of field observations in Hungary] // short-toed-eagle.netShort-toed Eagle. file (Hu), Short-toed Eagle. file (En).

 

Snake Eagles in human cultural interpretations

Nov 14, 2015 / Comment

The image of an eagle holding a snake : La Chaise-Dieu (France)The images of an eagle killing a snake is quite widely distributed and can be found in various works of art in different countries, with different cultural traditions, rather geographically distant from each other. Some considerations to this matter are given by Bernard Joubert in his short essay for the next issue of the La Plume du Circaète bulletin which is prepared for release in the near future:

• Bernard JOUBERT, 2015 – Malheur des uns, bonheur des autres [Unhappiness of some, delight of others] // short-toed-eagle.net (Fr).

 

Reproduction of certain pairs within 10 years in Ukraine

Oct 31, 2015 / Comment

Comparative reproduction of Short-toed Eagle pairsHow different reproduction of different pairs can be? Some adult Short-toed Eagles occupy the same sites from year to year. They had yet been identified in 2011 by photos taken since 2006 and according to previous and new observations. The birds had got indexes A11, B11 etc. although, in spoken communication we give them more harmonious names: for example, K11 is Barry, B11 is Ospry, and so on. Then later pictures of the individuals repeatedly got into the annual photo galleries. The natural identifying details are general plumage patterns,PISMENNYI K. 2015. Northern Ukraine shapes of heads, wings, beaks and general silhouettes in flight from certain angles as well as signs of moulting. The number of the examined images should be enough to select the details and to collate them. Thus, now it is possible to compare the mean reproduction – Short-toed Eagle. file – of pairs of individuals identified from year to year for certain, definitely without replacements of mates and without clear differences in objective conditions for breeding.

 

Northern Ukraine. Notable observations in 2014

Jan 31, 2015 / Comment

PISMENNYI K. 2014. Northern UkraineObservations of Short-toed Eagles in Northern Ukraine in 2014 which deserve to be noted:

K. PISMENNYI, 2015 – Data on breeding of Short-toed Eagle in Northern UkraineShort-toed Eagle. file, XLS file with formulas – Short-toed Eagle. file; Replacement of the biggest 14 flight feathersShort-toed Eagle. file; Some short notes on Short-toed Eagles in Northern Ukraine in 2014 // short-toed-eagle.net (En).