Life sciences/Ecology/Population biology/Population ecology/Wild populations
The Christmas Bird Count is one of the oldest citizen projects in the U.S.
About one-tenth of the dwindling African elephant population is lost to the illegal trade each year, experts say.
A mysterious and deadly cancer that has been plaguing populations of Tasmanian devils for more than a decade must have abandoned its original host long ago, essentially becoming a parasite of the devils, researchers say.