Опашата усойница (Bulgarian Wikipedia)

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

refsWebsite

Global rank Bulgarian rank

88^th place

4^th place

1,087^th place

400^th place

656^th place

207^th place

2,925^th place

308^th place

catalogueoflife.org

Bitis schneideri (Boettger, 1886). // IUCN Red List of Threatened Species. International Union for Conservation of Nature. Посетен на 2 януари 2023 г. (на английски)
Bitis schneideri (Boettger, 1886) // IUCN Red List of Threatened Species. International Union for Conservation of Nature. Посетен на 1 февруари 2015. (на английски)