The brazilian blue macaw has been threatened by poachers for decades. over the course of the past three generations, the number of blue macaws in the pantanal of brazil has fluctuated as follows: generation#1 1000 individuals (250 adult males, 250 adult females), generation#2 50 individuals (10 adult males, 10 adult females), generation#3 1000 individuals (250 adult males, 250 adult females). estimate the ne (effective population size) and the average na (census population size) during this time period. explain any differences you find in the values you obtain.