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- Tue Dec 20, 2011 8:41 pm
- Forum: Other taxa & hybrids
- Topic: Great Black-backed x Yellow-legged Gull
- Replies: 0
- Views: 4181
Great Black-backed x Yellow-legged Gull
Hi, this bird was ringed as one of three pullus of a mix pair Great Black-backed (male) X Yellow-legged Gull (female) at 21.05.2010 in Frankfurt. 2009 this pair was breeding for the first time: 2 chicks / 1 got fledged 2010 3 chicks / all got fledged; 1 with yellow colourring, 2 only metalrings; 1 m...