Juveniles party while adults occupy the territories
Spring has come. Time to start yet another breeding season. Judging from the beautiful sunny weather in March one could expect an early arrival of Greater Spotted Eagles to Biebrza. This however was not the case. By te looks of things the birds have their own criteria and decided not to take the risk, as at this time of the year sudden changes of weather is quite predictible. The data from the loggers seem to support this theory as all last year' juvenile birds still enjoy the time in their winter quarters in Greece and Africa. But time goes by and the adults have not got the comfort of such freedom, so with the beginning of April first birds arrived. At the moment these are mainly females which, still free from their nest duties, can be observed in several places on Biebrza. Bigger than the males they make up a wonderfull element of the Biebrza skies.
Unfortunatelly like the previous, this year also looks like a very dry one. The winter was again snowless, the spring without rain, limiting the flooded areas this spring to the extreme. At the same time the melioration is doing fine and extends, so the unstoppable marshes' drainage continues.
Let us keep the fingers crossed for the GSEs!
This year's autumn migration has begun. As in recent years also this year we will try to present the jpurney of the eagles fitted with our dataloggers. This year we have: last year's juvenile hybrid which spent the season in Romania,21-year-old GSE female which logger records data for the second year in succession and juvenile female hybrid from Kampinos - Bogusia.
Feel free to track their migration in the Greater Spotted Eagle - Migration - 2014 Migration Map menu.
Poor year for Spotted Eagles
Disaster. This single word describes best this year's situation on Biebrza. All because of draught caused by the snowless winter, rainless spring and never ending sunny summer make the marshes vanising right before our eyes. Add proceeding melioration. As the result you can drive through the marshes not only with special machinery, but also with normal cars.
Greater Spotted Eagle in Kampinos
Good news from the Kampinos Primeval Forest where a successful breedings of mixed pair between female Greater and male Lesser Spotted Eagle was recorded this season. It is one of the few cases of GSE nesting outside the Biebrza Valley in Poland. The rest comes from the Lublin area.
In cooperation with the Kampinos National Park employees the juvenile bird - a female - was ringed and the "Aquila" company founded a datalogger. She was also given a name - Bogusia. Let us hope the eagle will safely reach its maturity and will successfully breed in the future.
Yet another fulvescens on Biebrza
Today a Spotted Eagle of the pale form, so-called fulvescens, was observed on the Biebrza Marshes. The eagle, with some features pointing towards the Greater Spotted Eagle, was soaring accompanied by a Common Buzzard Buteo buteo and chasing him Lesser Spotted Eagle Aquila pomarina, all taking advantage of the sunny weather.
It is the second observation of this form of the Spotted Eagle in recent years. The last record comes from summer of 2011.