Documentation of a case of oil contamination in Western Osprey from inland central Europe. The bird was photographed in Lower Austria on 22nd May 2020 by Martin Meszaros. Here’s the short note on this observation.
Continue readingKategorie: Aberrations
Intersex Eurasian Teal
Intersex birds are usually females exhibiting male characteristics. This Eurasian Teal / Krickente (Anas crecca) was the first of its kind that I encountered. Intersex of this species seem to show a characteristic set of …
Continue readingRuff forgot to cut toenails
I have wondered for a long time, why Ruff / Kampfläufer (Calidris pugnax) seem to show leg injuries (much) more often than other shorebirds at Seewinkel, Austria. Is it just that Ruff appear in larger …
Continue readingComplete post-breeding moult of a Red-backed Shrike in Austria
An adult female Red-backed Shrike / Neuntöter (Lanius collurio) ringed on 10th August 2023 at St. Martins Lodge, Frauenkirchen/Austria showed advanced moult of remiges with corresponding greater coverts and tertials in both wings as well …
Continue readingAberrant song of Brown-backed Solitaire
While birding with Alfredo Tol Gonzalez on Atitlán volcano, Guatemala on 8th January 2024, he pointed me to a Brown-backed Solitaire / Braunrückenklarino (Myadestes occidentalis) with an aberrant song at about 2250 m altitude. It …
Continue readingDifferent appearances of hybrids of Red-crested Pochards x Mallard
Photos of two different hybrids of Red-crested Pochard / Kolbenente (Netta rufina) x Mallard / Stockente (Anas platyrhynchos), taken in the same place (Rheindelta, Austria), 18 years apart in May 2005 and November 2023. This …
Continue readingPutative hybrid Red-crested Pochard x Tufted Duck
Photos of a what I believe to be a female hybrid Red-crested Pochard / Kolbenente (Netta rufina) x Tufted Duck / Reiherente (Aythya fuligula). The bird was associated with a spring flock of Red-crested Pochards …
Continue readingA very pale Hooded Crow
Seewinkel in eastern Austria lies in the area of Hooded Crow / Nebelkrähe (Corvus cornix) – but barely. While Carrion Crows / Rabenkrähen (C. corone) also do occur here, they are vastly outnumbered by Hooded …
Continue readingA Ruff with two leg colors
On 22nd April 2023 I saw this adult male Ruff / Kampfläufer (Calidris puganx) at Racó de l’Olla/Albufera de Valencia, Spain. It shows a different color on each leg. The color appeared not to be …
Continue readingStrange sounds of a European Robin
A first-year European Robin / Rotkehlchen (Erithacus rubecula) caught during a standardized bird ringing operation at St. Martins Lodge, Frauenkirchen (Austria) gave strange, squeaking sounds while still in the net, while held in the cloth …
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