To get an accurate estimate of the density of a particular species, an ecologist might . View Available Hint(s) Hint 1.opened hint Density might be tracked over time as part of research on population dynamics. To get an accurate estimate of the density of a particular species, an ecologist might . use indirect indicators, such as the number of bird nests or rodent burrows need to know how many individuals are born or die and when new individuals enter or leave the population determine the distribution of individuals among age groups measure body size over the course of a year