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Moulting of the biggest flight feathers of ST Eagles

Oct 31, 2013 / Comment

Recognizing the same Short-toed Eagle male (K11) from shorter and longer (0.8-0.9 km) distances based on condition of 14 the biggest flight feathers During 10 years of observations in Central Northern Ukraine (Kiev Region /map/, Mizhrichynskyi Park /map/) a lot of photos of several the same Short-toed Eagles have been taken. Some of them can be viewed in the galleries (just an example). Since Short-toed Eaglers’ the biggest flight feathers are often seen from a great distance they are easily recognizable in photos. Especially it concerns 4th-10th primaries of both wings. Accumulation of data allowed to determine inter-moulting periods of certain feathers:

K. PISMENNYI, 2013 – Short-toed Eagle. Replacement of the biggest 14 flight feathers // short-toed-eagle.netShort-toed Eagle. file (En).

First of all, the results might be of interest as additional information for recognizing individuals in the nature from year to year, together with individually typical plumage colouration and silhouettes in flight at certain angles in certain poses. Regular photographing of Short-toed Eagles at their breeding sites and foraging grounds allows to distinguish them with high probability without special marking, without stressing and often even without disturbing the birds at all.

 

Just some pictures from Northern Ukraine

Jun 28, 2013 / 1 Comment
PISMENNYI K. 2013. Northern Ukraine

This gallery contains some photos of Short-toed Eagle taken in Northern Ukraine this year. As usual, it is planned to be updated with new pictures if I manage to take something interesting. They may be not as of high quality as of interest for Short-toed Eagle watchers. That is why all of them are commented in detail. Single eagles are named individually with alphanumeric code, for example: “A11” means bird “A” of the gallery of 2011, but “A” without a number here means that the individual has not been marked yet in previous galleries.

 

Northern Ukraine. Photo-documenting 2012

May 31, 2012 / 1 Comment
PISMENNYI K. 2012. Northern Ukraine

Just like last year I would like to share some photos, which, though have not perfect quality, can tell something about different aspects of Short-toed Eagles’ life as here, in Northern Ukraine, so in general. Also like last year the photo gallery will be updated with new images during the season. Every update will be described in comments.

 

Short-toed Eagles in Ukraine. Photos of 2011

Jun 29, 2011 / 1 Comment
Short-toed Eagles in Ukraine in 2011
Although some photos taken by me this year in Ukraine aren’t of the highest quality, they’re interesting (at least in my opinion) and they can’t wait for the autumn to be put on the site. That is why the regular annual gallery is published right now in a bit different format. It is going to be renewed during the season of observations of Short-toed Eagles.

Konstantin Pismennyi
Shot in: Kiev Region /map/, Mizhrichynskyi Park /map/, Sumy Polissya /map/