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 readingKategorie: Aberrations
Aberrant 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 …
Continue readingA very, very pale Shelduck
It’s not the first, whitish Common Shelduck / Brandgans (Tadorna tadorna) that I have come across at Seewinkel, Austria (but probably the only one I took some snapshots of). It seems that aberrantly colored individuals …
Continue readingA too pale Black-headed Gull
Photos of an aberrant, adult Common Black-headed Gull / Lachmöwe (Chroicocephalus ridibundus) from Seewinkel, Austria. The head pattern and bill colour might pose a potential ID pitfall in regard to Slender-billed Gull / Dünnschnabelmöwe (Chroicocephalus …
Continue readingCommon Pochard with one white cheek
Photos of a male Common Pochard / Tafelente (Aythya ferina) with asymmetric color aberration (one white cheek) from Lebring, Austria.
Continue reading