Ulf Gärdenfors

Claes U. Eliasson

Nils Ryrholm

Encyclopedia of the Swedish flora and fauna

International Union for Conservation of Nature and Natural Resources. Species Survival Commission

A. J. Stattersfield

The 1994 IUCN Red List of Threatened Animals was a major advance on its predecessors in clarity of layout and amount of information presented. This is taken further in the 1996 edition, which is also the first global compilation to use the complete new IUCN Red List category system.

Ulf Gärdenfors

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