Hybrid of the Common Redstart Phoenicurus phoenicurus and Black Redstart Ph. ochruros in Ciechanów and identification of hybrids
Języki publikacji
PL
Abstrakty
EN
On 13 and 16 June 2018, a hybrid of redstarts was observed in Ciechanów, where most probably bred and reared young. The note describes characters allowing identification of hybrids.