Notes

01 October 2007 Comments Notes Copulation behaviour of Eurasian Bittern White-tailed Eagle catching Eurasian Teal in flight Hobbies fledging four young Nectar-, pollen- and oil-feeding ...
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Notes

01 January 1965 Comments Notes Methods of distinguishing first-year and adult Shelducks in the field.--The separation of first-year and adult Shelducks Tadorna tadorna in the field has long been very conjectural and there is still a tendency to describe almost any spring or summer floc...
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