disguised as rocks, lonchura punctulata, lonchura striata and spermestes cucullata are singing

adaptation behavior bonding breeding brooding camouflage chirping chirps climates coloration communication competition conservation cooperative courtship cucullata defense diversity dominance ecology environment environmental feeding females fledging flight flocking foraging forest grasses grasslands habitat insects interaction leaves lonchura mating melodious migration monitoring nesting offspring perching plants plumage predators preservation protection punctulata reproduction reproductive resting rhythmic rocks shrubs singing social spermestes striata structure survival territorial territoriality territories threats tropical undefined varied vocalization watering