ለመመዝገብ ከዚያ 1 ደቂቃ ያነሰ ጊዜ ይወስዳል ከዚያም ያልተገደበ ፊልሞችን እና የቴሌቪዥን ርዕሶችን መደሰት ይችላሉ ፡፡
Otis tarda (Otididae) - Balzverhalten 1975 ነፃ ያልተገደበ መዳረሻ
The courtship behavior of Great Bustards is studied. The male Great Bustard is considerably larger than the female. This impression is reinforced during courtship when the male dances in front of the female, showing the light undersides of its wings and inflating its throat pouch.
ዘውግ: Documentary
ተዋንያን:
ሠራተኞች: Heinz Sielmann (Director)
ስቱዲዮ: Institut für den wissenschaftlichen Film (IWF), Heinz Sielmann-Produktion
የስራ ጊዜ: 7 ደቂቃዎች
ጥራት: HD
መልቀቅ: Jan 01, 1975
ሀገር: Germany
ቋንቋ: No Language
ቁልፍ ቃል : nature documentary short film
