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បណ្ណាល័យភាពយន្តនិងវីដេអូរបស់យើងអាចត្រូវបានមើលឬទាញយកដោយសមាជិកតែប៉ុណ្ណោះ
បន្តមើលដោយឥតគិតថ្លៃ➞ចំណាយពេលតិចជាង ១ នាទីដើម្បីចុះឈ្មោះបន្ទាប់មកអ្នកអាចរីករាយនឹងចំណងជើងភាពយន្តនិងទូរទស្សន៍គ្មានដែនកំណត់។
Variabilität des Fortpflanzungsverhaltens bei Japanischen Prachtlibellen (1992)
ឈុតខ្លី | HD | 14 នាទី | dragonfly, short film
Calopteryx cornelia only occurs in one color morph and shows the typical dragonfly behavior. Species of the genus Mnais form different color morphs. Males with intensely colored wings are dominant over males with hyaline wings.
ការដោះលែង: Jan 01, 1992
ប្រជាប្រិយភាព: 0.001
ភាសា: Deutsch
ស្ទូឌីយោ: Institut für den wissenschaftlichen Film (IWF)
ប្រទេស: Germany
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