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Published online by Cambridge University Press: 27 October 2009
1 According to the Washington Post of 10 February 1952 one of them was Malcolm Davis of the Washington Zoo, who was investigating whether pigeons home from far northern latitudes.
2 See the Polar Record, Vol. 6, No. 45, 1953, p. 652Google Scholar , footnote 1.
3 See the Polar Record, Vol. 6, No. 45, 1953, p. 684–87.CrossRefGoogle Scholar