The researchers found that of the 23 species they studied, 11 experienced population declines of at least 20% due to exposure to alternative energy plants.
20% is pretty mild - sounds like a good amount of selection pressure to produce smarter birds.
> The researchers found that of the 23 species they studied, 11 experienced population declines of at least 20% due to exposure to alternative energy plants.
20% is pretty mild - sounds like a good amount of selection pressure to produce smarter birds.
20% is pretty mild - sounds like a good amount of selection pressure to produce smarter birds.