Choose your answer from: (A). yes; (B). no;
Does "Brood parasites may be either obligate brood parasites, which must lay their eggs in the nests of other species because they are incapable of raising their own young, or non-obligate brood parasites, which sometimes lay eggs in the nests of conspecifics to increase their reproductive output even though they could have raised their own young." correctly answer the question of How many bird species are obligate parasites?
(B).