Африкански лешояд (Bulgarian Wikipedia)

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

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biologists.org

Gyps rueppelli. // IUCN Red List of Threatened Species. International Union for Conservation of Nature. Посетен на 27 декември 2021 г. (на английски)

Weber, RE; Hiebl, I; Braunitzer, G. (April 1988). „High altitude and hemoglobin function in the vultures Gyps rueppellii and Aegypius monachus“. Biological Chemistry Hoppe-Seyler. 369 (4): 233 – 40. doi:10.1515/bchm3.1988.369.1.233. ISSN 0177 – 3593. PMID 3401328.