Assertion: great auk's egg | /r/CapableOf | measure about 5.2 x 3.8 cm
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Source sentences:
text: The nest is a slight depression on a thick tree branch, at least 10 m (33 ft) above ground, with a single white (slightly spotted) egg measuring about 5.2 x 3.8 cm (2 x 1.8 inches).