ሳይንስየሀዋሳ ዩኒቨርሲቲ ምርምር 3 የእንስሳት ተዋህሲያንን ለይቷልTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoሳይንስShewngizaw Wegayehu17 ሐምሌ 2011ረቡዕ፣ ሐምሌ 17 2011https://p.dw.com/p/3Mg1Oማስታወቂያ