既很少见到,又从未拍摄的一次演习中,一只乌鸦,啄食一只鹤蛋以后,再用它的下肢抓取了里面的没有出壳的小鹤。
In a maneuver rarely seen and never before photographed, a raven snatches a chick by the leg after pecking into the egg.
位于中心位置的巢里,超不过两天时间,另一小鹤可能就会破壳而出——仅管通常在这个季节最多只有一个幼雏会幸存下来。
Nestled at center, another egg should hatch in two days-though usually only one chick will survive the season.
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