Белуга (Bulgarian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Белуга" in Bulgarian language version.

refsWebsite

Global rank Bulgarian rank

1iucnredlist.org

88^th place

4^th place

8,394^th place

27^th place

google.bg

books.google.bg

Nowak, Ronald M. Walker's Mammals of the World. 5. Т. 2. Baltimore, The Johns Hopkins University Press, 1991. ISBN 978-0-8018-5789-8.

iucnredlist.org

apiv3.iucnredlist.org

Delphinapterus leucas (Pallas, 1776). // IUCN Red List of Threatened Species. International Union for Conservation of Nature. Посетен на 2 януари 2023 г. (на английски)