Earless ghost swift moths become “invisible” to echolocating bats by forming mating clusters close[…]above vegetation and effectively blending into the clutter of echoes that the bat receives from the leaves and stems around them. Many insects probably use this strategy, which is a close analogy to crypsis in the visible world—camouflage and other methods for blending into one’s visual background.
Clothes made from camouflage fabric, for concealment in combat or hunting.
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1960 January, “New reading on railways”, in Trains Illustrated, page 26:
THE CONCISE ENCYCLOPAEDIA OF WORLD RAILWAY LOCOMOTIVES. Edited by P. Ransome-Wallis. Hutchinson. 50s. A gaudy jacket, remarkably out of keeping with the contents, camouflages the weightiest and meatiest work on a railway topic since the war.
1962 October, Brian Haresnape, “Focus on B.R. passenger stations”, in Modern Railways, pages 250-251:
Elegant brick and stone buildings, with iron and glass canopies and decorative wooden scalloping and fencing—all evidencing care on the part of the architect to produce a pleasing, well-planned building—were submerged beneath a profusion of ill-conceived additions and camouflaged by vulgar paint schemes; and the original conception was lost.