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The excerpt represents the core issue or deciding factor on which you must meditate, and is drawn from The Voyage of the Beagle by Charles Darwin: with extreme quickness, and dexterously manage with their
projecting lower mandible to plough up small fish, which are
secured by the upper and shorter half of their scissor-like
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bills. This fact I repeatedly saw, as, like swallows, they
continued to fly backwards and forwards close before me.
Occasionally when leaving the surface of the water their
flight was wild, irregular, and rapid; they then uttered loud
harsh cries. When these birds are fishing, the advantage
of the long primary feathers of their wings, in keeping them
dry, is very evident. When thus employed, their forms resemble
The Voyage of the Beagle |
