Science In Action - Early Bird is 115 million years old - 大象传媒 Sounds
Science In Action - Early Bird is 115 million years old - 大象传媒 Sounds
Early Bird is 115 million years oldEarly Bird is 115 million years old
Released On: 01 Aug 1996
Available for over a year
Spanish bird fossil is the first specimen with alulae or wing flaps for slow flight
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