Published in Forktail, in 2014, in volume 30, pages 66-78

Created: 2019-05-12, modified: 2019-05-12

Published in Bulletin Br Orn Club, in 1974, in volume 94, pages 163-164

Created: 2013-01-29, modified: 2013-01-29

Published in Journal für Ornithologie, in 1889, in volume 37, pages 112

Created: 2014-09-04, modified: 2014-09-04

Published in Bulletin Br Orn Club, in 1974, in volume 94, pages 69-71

Created: 2013-01-29, modified: 2013-01-29

Published in Bulletin Br Orn Club, in 1977, in volume 97, pages 105-107

Created: 2013-01-29, modified: 2013-01-29

Published in Bulletin Br Orn Club, in 1975, in volume 95, pages 175

Created: 2013-01-29, modified: 2013-01-29

Published in Bulletin Br Orn Club, in 1975, in volume 95, pages 51-54

Created: 2013-01-29, modified: 2013-01-29

Published in Bulletin Br Orn Club, in 1973, in volume 93, pages 141-142

Created: 2013-01-29, modified: 2013-01-29

Published in Bulletin Br Orn Club, in 1973, in volume 93, pages 139-140

Created: 2013-01-29, modified: 2013-01-29

Published in Bulletin Br Orn Club, in 1975, in volume 95, pages 101-104

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Published in Bulletin Br Orn Club, in 1973, in volume 93, pages 111-114

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Published in Bulletin Br Orn Club, in 1973, in volume 93, pages 143-144

Created: 2013-01-29, modified: 2013-01-29

Published in Bull. Brit. Orn. Cl., in 1904, in volume 14, pages 77-78

Created: 2012-10-05, modified: 2012-10-05

Published in Bull. Brit. Orn. CI., in 1975, in volume 95, pages 41-45

Created: 2014-03-28, modified: 2014-03-28

Published in Bulletin Br Orn Club, in 1975, in volume 95, pages 59-62

Created: 2013-01-29, modified: 2013-01-29

Published in Bulletin Br Orn Club, in 1977, in volume 97, pages 65-68

Created: 2013-01-29, modified: 2013-01-29

Published in Bulletin Br Orn Club, in 1976, in volume 96, pages 136-141

Created: 2013-01-29, modified: 2013-01-29

Published in Bulletin Br Orn Club, in 1972, in volume 92, pages 142-144

Created: 2013-01-29, modified: 2013-01-29

Published in Bulletin Br Orn Club, in 1972, in volume 92, pages 138-141

Created: 2013-01-29, modified: 2013-01-29

Published in Bulletin Br Orn Club, in 1974, in volume 94, pages 145-150

Created: 2013-01-29, modified: 2014-03-05

Published in Bulletin Br Orn Club, in 1975, in volume 95, pages 98-101

Created: 2013-01-29, modified: 2013-01-29

Published in Bulletin Br Orn Club, in 1974, in volume 94, pages 42-49

Created: 2013-01-29, modified: 2013-01-29

Published in Journal für Ornithologie, in 1920, in volume 68, pages 388-389

Created: 2014-09-04, modified: 2014-09-04

Published in Journal für Ornithologie, in 1877, in volume 25, pages 69-74

Created: 2014-09-04, modified: 2014-09-04