Assertion: bird | /r/CapableOf | notice a no entrysign
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Source sentences:
text: Wandering albatrosses also react strongly to bathymetry, feeding only in waters deeper than 1000 m (3281 ft); so rigidly did the satellite plots match this contour that one scientist remarked, "It almost appears as if the birds notice and obey a 'No Entry' sign where the water shallows to less than 1000 m".