Aves, p�le ornithologique de Natagora

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Aves, 46/4 | 2009 | 183-201

  Observations from December 2008 to February 2009
Centrale Ornithologique Aves - Groupe de travail « Chroniques »

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Article summary

Last winter was quite noticeably cold especially with a spell of very cold weather between 26th of December and the 11th of February 2009. There was no significant influx of wetland birds (such as Swans, Tufted Ducks, Mergansers) coming from their northern winter quarters so they were spared from the severe cold. A few geese nevertheless arrived (Bean Geese, Common Cranes, Black-headed Gulls, and exceptionally Pink-footed Geese) whilst certain other species are becoming increasingly rare notably the Kingfisher; certain insectivores/frugivores survived the cold (Blackcaps, Ring Ouzels, Cetti’s Warblers…). Surprisingly the attendance at bird tables didn’t grow during the cold spells, on the contrary considering the decrease in species, and the sudden departures with the arrival of the cold weather From the end of January, the return of hibernating birds (Common Teals, Great Egrets…) and the reoccupation of colonies (Great Cormorants, Grey Herons) were marked. Of the migrations in February, the most spectacular event was the very large passage of cranes on the 25th and 28th. The main winter rarity was a Dusky Thrush which spent time in January at Érezée. Amongst few other notable sightings were White-tailed Eagle, Glaucous and Iceland Gulls, and a Black-legged Kittiwake.

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